This is one of the nicest test runs of an Allison that I have seen. A little hard to start, but it purred like a kitten once running. Most Allisons you see bang and pop at idle, and you wonder how many cylinders are actually firing, but this one's nice and smooth.
Thank you. We solved the hard starting problem. We use an injector that has its own accelerator pump on it. We found that the diaphragm was dried out beyond usefulness. Now both of our engines start on the first try.
andy Harman The Allison when set up correctly and properly tuned is a very smooooth running engine and is easy to start !!! Watch any P40 or P38 or the early Mustangs at any air show and you will see how smooth running they are compared to the merlins !!!!
amazing work of art these ol Allisons. Built 3 pulling tractors with war surplus mills back in the 80s. Strong, pullers. Their sound is exquisite. Hey Jay, we should put one in a power wagon.
I love seeing a beautiful engine like this. You didn't hammer the throttle right after you started it either and that is awesome I can tell that this engine has been babied a lot and that's very respectable. I remember seeing this engine at the Tulare County tractor pulls in California. There was a guy that had 3 of these engines on his tractor. It was insane. Even at an idle, those things shook the ground...but going all out? I can't even begin to describe how amazing it was. Great job on this engine. I salute the both of you. Cheers from Hobbs New Mexico
It reminds me of when I was a kid. Guys would race with war surplus v12 in boats on a circle track. The roar of 6 boats going full throttle was astonishing.
@@Trains-With-Shane I'm sure you are correct about that... But whats a boy to do when faced with all that Military Surplus way back then? lol Its no surprise how they were gobbled up...and rightfully so. I sure would have had me a nice collection of Surplus, I can tell you that!
You can tell right off it's going into a boat. Miss U.S. IV is a cool Hydro too. Love the old hydroplane boats. Keep that baby cool when running. Nice guys, really nice. Thanks for sharing.
We used to watch the regatta on the Scioto here in Oh, there was a bridge probably 60-70’ feet over the water, we used to watch which boat could touch the bridge with its rooster tail, great memories, thanks.
@Cam montreuil engines yeh the turbine boats sound like vacuum cleaners going across the water, I know they are faster but like you said, the sound sucks.
Outstanding restoration job! The two gentlemen in this video are absolutely THRILLED with the smooth, powerful sound of this engine…to prove it just look at the expression on their faces! ???
Thank you for the kind words. I'm the "young" guy in the shop and the one filming with my phone. You should have seen my face. We spent many months building a cylinder bank out of scrap parts. This was the very first start of the newly built bank. We were very thrilled, to say the least.
Was thumbing through a Popular Mechanics from the 50's and saw an ad for surplus 1710 engines in crates for $350 dollars, which would be a little under $4000 today, still cheap for what it is.
Wouldn't that be awesome. A running example of an Allison V-12 would be closer to 6 figures. At $4000 I'll take 10 and give you an amazing finders fee.
We used these for power in oil field frack trucks. Drove a triplex pump through a large torque converter. The clutch was adding or dumping fluid from the converter. Exhaust came out and up about a foot, 24 of them. Cowling had radiators on each side and horizontal fans on top. Usually three to five units per job. Most pumps lasted less than a hour. The blue flame would burn the leaves from a tree if you had to be that close. 1.10 per hour and 75 to 100hr weeks. This was in the 60s in west Virginia.
50 years ago or so, some fellow in Cali installed an Allison in a '55 Chevy. And I think E. J. Potter the "Michigan Madman" put one in a Plymouth station wagon drag race exhibition car. Cheap HP. Those were the days.
The best engine ???? I do believe it was dumped by American airframe manufacturers for the Rolls-Royce merlin because it was a superior engine ....period!
The Merlin was superior, mostly due to its two stage, two speed supercharger. The Allison engineers were told, by the USAAC brass to delete the second stage of the supercharger, in part because they were enamored with turbo-supercharging. This lead to many teething problems for the P-38 at high altitude due to the half baked turbo-supercharger units freezing up.
@@bigglesbiggles4999 The Merlin was more refined (they had worked out the bugs), but the basic design of the Allison was superior. The Allison was much less complex, it was lighter, it had a superior valvetrain design and it had much more modern ports and a greater volumetric efficiency as a result.
@@bigglesbiggles4999 That was a single application, however. Before the bugs were worked out, the Merlin was superior in a fighter plane application. The Allison however still enjoyed the advantages that come with greater simplicity, lighter weight, and more modern levels of efficiency. This is not to say there was anything wrong with the Merlin, far from it. But the Allison, after its shakedown and a few tweaks, was simply a more modern design.
@@bigglesbiggles4999 WRONG !!! The Allison was a better engineered, stronger more reliable engine, what it lacked was the LATER, get that LATER 1942 TWO stage TWO speed supercharger the Merlin received !!! Earlier Merlins 20 series through the 50 series were also a SINGLE stage supercharged engine and it had a second speed, and the Allison engine in the P40 kittyhawks out performed the V1650-1 Merlins installed in 1311 of the P40 F & L kittyhawks !!! Why Curtis and the USAAF went Back to the Allison in the P40N's and later versions !! The LATER only merlins had a LATER more efficient supercharger only, Alliso was still a more durable, reliable engine than the Merlin. Note the Allison was a larger displacement, 1710 cu in vs 1650 of the merlin, had stronger con rods, and a more modern roller tipped valve train, higher output oil and coolent pump and went longer between overhauls than the merlin. Layer merlin had a more efficient supercharger, BUT only at altitude above 20,000 ft !!!! Allison at lower altitudes, like Mustangs Mk I & II and P51A out ran a spitfire Mk V by 30 MPH !!!! Facts of history IF YOU do the research !!!
Let's see, a King Air, a Pantera, a Benz, a motorhome, motorcycles, unidentified car under cover.....and a fully restored, running Allison 1710. Lifestyle of the rich and famous! Lol
@@wayno23 I think Dew2667 is right. Looks like a DeTomaso Pantera. The little wing windows behind the B-pillar are a giveaway. Could have easily been mistaken for a Maserati Merack as well as a Farreri.
WWII PT boats were not powered by Allisons. They had three Packard 4M-2500 and later 5M-2500 supercharged gasoline-fueled, liquid-cooled V-12 marine engines.
@Cam montreuil engines In the early 1960s, there was a PT boat used as a fishing head boat out of Indian River inlet, Delaware, named simply, "PT." I have no idea what powered it but I seriously doubt that they ran triple Packards burning 200 gallons/hour of 100 octane avgas at a mere 23 knots.
@@Decurion505 The Allisons were used in P-40s and originally in Mustangs but performance was greatly improved when the British fitted them Packard Merlin engines.
@@tonkingulfyachtclub8111 Brits never fitted the Mustang with PACKARD Merlins !!! They used they own merlins from a spitfire in 4 hashed up test mules that never saw combat. North American installed and built ALL the Merlin Mustangs with PACKARD merlins !!! Facts of history !!!
Met a wrench who had worked on hydro engines (while we were running a vintage F1); he was clear why the Merlins were favored over the Allisions; the superchargers.
David Craven:, you are right. So many times I see people build boat, car & plane engines etc,as soon as they turn the key, up goes the throttle!!!! They don't realise the oil takes a while to get round EVERY SURFACE!! ( I had one engine That had a faulty NEW oil pump, I realised no pressure, shutdown, replaced the pump, all ok! NO damage) I have some "experts" not even checking oil pressures !!!
Why would you even attempt to start a fresh build right off? On a fresh build I run the oil pump on its own till I have oil pressure, and at the very least disable the fuel/ignition and crank it till I have pressure. Would never attempt a start right off on a fresh build, just asking for trouble.
Boy she runs smooth as silk... Was that an inertia starter I heard? Seems like there might be control over a clutch engagement if my ear is correct? Anyone know the specifics of how that starter functioned? Sounds like it spins up a weight and then has an electromag clutch engagement perhaps?
Good evening, that engine stand was impressive also. I wonder how they rotate it? They have the locking wheel with a through pin or clamp device. I couldn't see how they used the sprockets on the rotating shaft to turn it. It sure was beefy enough for the job. Thanks for the video and take care.
Forrest Walsh Yes and 2 intake valves also with a single overhead cam and roller tip rockers for each cylinder bank !!! All the goodies of a modern racing engine designed in the mid 1930's !!!!
I would think it would depend on the individual engine. Kinda like, why does a Ford smoke more that a Chevy, sorry bad example. Lol. We also add a grove to our pistons and install a Cummings oil ring. That seems to help a lot with oil consumption.
Music. I have never understood why GM didn’t get a high altitude kompressor into the earlier V1710s. Would’ve really given the early P40s an edge over the Axis in the Desert War. I’ve always thought the Alison was a cleaner and better designed V12 than the Merlin.
The Allison was designed for use with a turbo. The Merlin was both more advanced and more developed. The turbos in the 30s and 40s were incredibly bulky. Greg's Airplanes has a series on the P38 which was designed around the Allison complete with turbos. In US trim the P38 was a very useful warbird. The Poms however didn't accept turbos and attempted to operate with just the single stage supercharger, the results were predictable. The P51 was originally fitted with a non turbo-supercharged Allison. Once the Merlin was fitted the P51 became famous. It is really a horses for courses situation. The 2 stage 2 speed mechanically driven supercharger fitted to later Spitfires etc., was more compact but both took engine power to operate and pilot input to deliver. When the second stage was achieved by a turbo-supercharger the engine was easeir on pilot workload and more efficient. There is a good write up of the work Charles Lindbergh did tuning the P38 for vastly increased range. This work is allegedly what allowed the P38 to reach and shoot down Yamamoto. The turbos were key to this.
Marc Problem was the USAAF was the customer and they wanted a single stage supercharger and they falsly reasoned if they needed high altitude performance add a turbo....BUT... on there was NO room in a fighter for turbo, except the twin boom P38 and the fat JUG P47 used a turbo both fed the single stage supercharger !!!
@@mikenewman4078 Allison was NOT designed for a turbo !!!! It was designed for the US Navy dirgible with the single stage supercharger. and the USAAF wanted the single stage supercharger and IF needed a turbo could be added, except the turbos were too large !!! Also the Merlin was NOT more advanced !!! The Basic Allison was 60 cu in 1 L larger, had stronger con rods, a higher output oil pump and a more modern roller tip rocker arms on the valve train . and weighed 300# LESS and was stronger. Merlin had a lot of problems with head and block cracking and oil leaks !!!
perhaps a welding institute should have a competition to see who could build the best fuctioning set of headers for that thing.it gives me a headache just thinking about the variables that need to be considered for such a job.
yeah = well really informative video - so it is a super charged twin feed dual exhaust ports and 4 valves per cylinder - so what the F___ is it chuck ? how rude to not inform us all !
Not sure what you are looking at. I'm guessing what you are seeing are the spark plug wires for the intake spark plugs. Fuel is delivered by one injector, located below the carburetor, directly into the blower.
Yes, there are 4 valves per cylinder. 2 exhaust valves and 2 intake valves. Also 2 spark plugs, 1 on the intake side and 1 on the exhaust side, on each cylinder.
mikebelcher Single overhead cam each bank driving 4 valves per cylinder through a roller rocker arm, they were supercharged with a single stage fed through a Bendix pressure carb, for runner of the throttle body injectors, Carb was pressure fed no float, 2 Large barrels !!!!
Is that a leak or did you spill a little oil on that beautiful lady's right exaust manifold? You mean she's not getting too hot sitting still like that?
This was the first time we tried to see if she would even run. We just completely built a new cylinder bank. I hadn't sealed the valve cover gaskets yet, incase we need to get back in to readjust the valves. That has be taken care of. We have a hose hooked up, the water outlet hoses are down in the floor drain.
If car engines started so temperamentally as aircraft recips do we would still be riding horses. This one wasn’t bad but so many restored warbirds that have had millions of dollars spent on them just give so many problems waking up their engines. Especially radials. This one runs sweet once she’s warmed up.❤️
They are both good engines, the Merlin was much more advanced. The Allison as shown will be good for a boat. For Warbird use the turbocharger system would be required as Allison never developed the same mechanical supercharger that Rolls Royce did.
@@mikenewman4078 P-38 Allisons had turbo systems developed by GE(General Electric), and cleaned house in the Pacific theater! Brits had afew P-38s and they removed the turbos, of course power was down 30%, used the planes for reconesence! answer? why would they do that?? check out Utube 2015 air races,VooDoo plane MAYDAY landing!
@@midway27272727 the throttles in these planes had balls on the end of the lever. When slammed wide open they would hit the firewall. So the squadron leader would yell over the radio "balls to the walls" meaning full throttle. Or at least thats what the discovery Channel said...
Way off base. The throttle controls had balls at the top of the stick. Balls to the walls. meant that they were forced all the way to the wall(fire-wall). That's all there is, there ain't no more !
My late father-in-law, told me all about"balls to the wall".As a P-51 fighter pilot, he lost one ball to s bullet under his seat(the ball was one of his nuts). Fortunately, he survived combat.and fathered two children.
40 Buick, supercharged Tbird, Pantera L, Mercedes S class. Although it would be pretty cool to have a Maserati to play with, there is not one in the hanger.
Yeah, that's where they come from. I don't think a new 1710 has been made for a long time, a quick search didn't turn up anything except for a rebuilding service and a plethora of spare parts. I imagine it would take a substantial sum of money to get one that isn't even running.
Before machining any investment castings provided by the customer, you should always make sure that they have been properly beta annealed before wasting expensive cutting tools on them. The heat treaters often take short cuts leaving the parts virtually un machinable. Spend your money on on proper beta annealing and you will spend about a tenth of the amount on cutting tools that you would on parts as is.
Mirelle Larouge ONLY when installed in a Lockheed P38 Lightening.....the TURBO worked as a second stage as the turbo fed the stock single stage mechanical supercharger mounted on the opposite end of the power shaft !!! This engine has the single stage supercharger !!!
GM stopped building Allison engines in 1948. The serial number on this block traces back to 1943. We run these in a vintage Unlimited Hydroplane built in 1957.
@@TheSagerider NASTY ?????? YOU have not seen my "NASTY" !!!!! Just sarcasism !!!! Pay attention to the info being offered and you will learn something !!! Maybe ......
Its nice to see someone start an engine and not go stupid with the throttle rite away
Yeah the Italian tune up wouldn’t be good here
The gray hair and beer bellies suggest that they've learned that lesson in the past. 😉
Engine been patch up
rotary engines begs to differ
No, just the comments..
This is one of the nicest test runs of an Allison that I have seen. A little hard to start, but it purred like a kitten once running. Most Allisons you see bang and pop at idle, and you wonder how many cylinders are actually firing, but this one's nice and smooth.
Thank you. We solved the hard starting problem. We use an injector that has its own accelerator pump on it. We found that the diaphragm was dried out beyond usefulness. Now both of our engines start on the first try.
andy Harman The Allison when set up correctly and properly tuned is a very smooooth running engine and is easy to start !!! Watch any P40 or P38 or the early Mustangs at any air show and you will see how smooth running they are compared to the merlins !!!!
amazing work of art these ol Allisons. Built 3 pulling tractors with war surplus mills back in the 80s. Strong, pullers. Their sound is exquisite. Hey Jay, we should put one in a power wagon.
The old bloke was tuning it just by listening to it that takes a lot of love
Used to be able to do that on every Engine. Precomputer days. It was sight, sound, smell and feel. The Computer was your brain.
I love seeing a beautiful engine like this. You didn't hammer the throttle right after you started it either and that is awesome I can tell that this engine has been babied a lot and that's very respectable. I remember seeing this engine at the Tulare County tractor pulls in California. There was a guy that had 3 of these engines on his tractor. It was insane. Even at an idle, those things shook the ground...but going all out? I can't even begin to describe how amazing it was. Great job on this engine. I salute the both of you. Cheers from Hobbs New Mexico
magnificent piece of equipment
It reminds me of when I was a kid. Guys would race with war surplus v12 in boats on a circle track. The roar of 6 boats going full throttle was astonishing.
Yeah. Attrition of the boat racing motorsport all but destroyed the entire surplus supply of these engines.
@@Trains-With-Shane I'm sure you are correct about that... But whats a boy to do when faced with all that Military Surplus way back then? lol Its no surprise how they were gobbled up...and rightfully so. I sure would have had me a nice collection of Surplus, I can tell you that!
@@Trains-With-Shane somebody else would have thought of a way to destroy them in the end, no respect
You can tell right off it's going into a boat. Miss U.S. IV is a cool Hydro too. Love the old hydroplane boats. Keep that baby cool when running. Nice guys, really nice. Thanks for sharing.
That is amazing, love the sound of a V12,harmony to the ears, thank you for sharing that experience Guys, 🥰
One of the best soundtracks in the world!
Wow, what a beast. That thing runs as smooth as silk. Thanks for sharing.
Nice work Chuck your attention to detail makes all the difference!
the old hydroplanes with these engines sounded great ....thunder boats
We used to watch the regatta on the Scioto here in Oh, there was a bridge probably 60-70’ feet over the water, we used to watch which boat could touch the bridge with its rooster tail, great memories, thanks.
@Cam montreuil engines yeh the turbine boats sound like vacuum cleaners going across the water, I know they are faster but like you said, the sound sucks.
They burned up a lot of these motors, and were not that fast.......
Those blue flames . The mixture is spot on.
Bank 1 seems to be doing ah lot of the work . might be the lighting.
That is one sweet Allison! So smooth!
Outstanding restoration job! The two gentlemen in this video are absolutely THRILLED with the smooth, powerful sound of this engine…to prove it just look at the expression on their faces! ???
Thank you for the kind words. I'm the "young" guy in the shop and the one filming with my phone. You should have seen my face. We spent many months building a cylinder bank out of scrap parts. This was the very first start of the newly built bank. We were very thrilled, to say the least.
A beautiful sound, an amazing engine and a great hydroplane. Thunderboats, hell yes!
Ahhhhhhh yes!
Tractor pullers
@@jacstocker7257 Tractor pullers destroy engines. They don't deserve to be abused, they are too rare.
I love that big guttural sound at idle it makes that’s the only way I can describe it, I love it!
Sounds so smooth. 💜 Music for the soul.
Nice resto job.
You just can't beat the sound f a V12 with open pipes.
As a kid in Lemon Grove, I used to go sit in Bill Munceys driveway and listen to the boat fire up back in the shop.
That is one beautiful sound, absolutely love it, thanks ❤
Was thumbing through a Popular Mechanics from the 50's and saw an ad for surplus 1710 engines in crates for $350 dollars, which would be a little under $4000 today, still cheap for what it is.
Wouldn't that be awesome. A running example of an Allison V-12 would be closer to 6 figures. At $4000 I'll take 10 and give you an amazing finders fee.
We used these for power in oil field frack trucks. Drove a triplex pump through a large torque converter. The clutch was adding or dumping fluid from the converter. Exhaust came out and up about a foot, 24 of them. Cowling had radiators on each side and horizontal fans on top. Usually three to five units per job. Most pumps lasted less than a hour. The blue flame would burn the leaves from a tree if you had to be that close. 1.10 per hour and 75 to 100hr weeks. This was in the 60s in west Virginia.
Hearing an engine like that will make me wet my pants and forget my name for half an hour!!!
50 years ago or so, some fellow in Cali installed an Allison in a '55 Chevy. And I think E. J. Potter the "Michigan Madman" put one in a Plymouth station wagon drag race exhibition car. Cheap HP. Those were the days.
A nice aircraft engine with some shortcomings, but an amazing offshore unlimited boat engine, especially paired with another!
Unbelievable that's an 80-year old engine. That's what happens when you have engineers get told to build the best engine. Period.
The best engine ???? I do believe it was dumped by American airframe manufacturers for the Rolls-Royce merlin because it was a superior engine ....period!
The Merlin was superior, mostly due to its two stage, two speed supercharger. The Allison engineers were told, by the USAAC brass to delete the second stage of the supercharger, in part because they were enamored with turbo-supercharging. This lead to many teething problems for the P-38 at high altitude due to the half baked turbo-supercharger units freezing up.
@@bigglesbiggles4999 The Merlin was more refined (they had worked out the bugs), but the basic design of the Allison was superior. The Allison was much less complex, it was lighter, it had a superior valvetrain design and it had much more modern ports and a greater volumetric efficiency as a result.
@@bigglesbiggles4999 That was a single application, however. Before the bugs were worked out, the Merlin was superior in a fighter plane application. The Allison however still enjoyed the advantages that come with greater simplicity, lighter weight, and more modern levels of efficiency. This is not to say there was anything wrong with the Merlin, far from it. But the Allison, after its shakedown and a few tweaks, was simply a more modern design.
@@bigglesbiggles4999 WRONG !!! The Allison was a better engineered, stronger more reliable engine, what it lacked was the LATER, get that LATER 1942 TWO stage TWO speed supercharger the Merlin received !!! Earlier Merlins 20 series through the 50 series were also a SINGLE stage supercharged engine and it had a second speed, and the Allison engine in the P40 kittyhawks out performed the V1650-1 Merlins installed in 1311 of the P40 F & L kittyhawks !!! Why Curtis and the USAAF went Back to the Allison in the P40N's and later versions !! The LATER only merlins had a LATER more efficient supercharger only, Alliso was still a more durable, reliable engine than the Merlin. Note the Allison was a larger displacement, 1710 cu in vs 1650 of the merlin, had stronger con rods, and a more modern roller tipped valve train, higher output oil and coolent pump and went longer between overhauls than the merlin. Layer merlin had a more efficient supercharger, BUT only at altitude above 20,000 ft !!!! Allison at lower altitudes, like Mustangs Mk I & II and P51A out ran a spitfire Mk V by 30 MPH !!!! Facts of history IF YOU do the research !!!
A couple Codgers and a cool toy. Very nice Gent's..
Such a beautiful sound...
what a sexy engine!
Imagine being the mechanic for a PT boat in WW2 and there were 3 V-12's powering your boat.
… he was mute for sure
4M-2500 PACKARD. HOLLEY MADE THE CARBS.
John Harris Those PT Boat engines were PACKARD M2500's almost 50% larger than the Allison and the Merlin !!! Purpose built for the job !!!!
@@wilburfinnigan2142 Yes I know.
There is nothing in the world that sounds like the V-12 in the air or on the water.
On the ground sounds the best
@@avman2cl Very True 👍
No need for earmuffs, beautiful music 💪🎶🎶
Let's see, a King Air, a Pantera, a Benz, a motorhome, motorcycles, unidentified car under cover.....and a fully restored, running Allison 1710. Lifestyle of the rich and famous! Lol
Red one Ferrari?
@@wayno23 I think Dew2667 is right. Looks like a DeTomaso Pantera. The little wing windows behind the B-pillar are a giveaway. Could have easily been mistaken for a Maserati Merack as well as a Farreri.
@@Trains-With-Shane cool 👍 im only viewing it on a 5inch smartphone can't tell properly.
@@wayno23 lol no worries. Cheers!
Sounds great!
Nice King Air 350 in the background too! Love the Allison roar!
That's a Beach 1900 use for aircargo.
@@chuckh9383 essentially a king air
The 1900 was derived from a king air 200..used for cargo and passenger travel.
Look at how balanced that Bad Boy is no shake smoooth as silk that’s going into a restored PT boat along with it 2brothers
WWII PT boats were not powered by Allisons. They had three Packard 4M-2500 and later 5M-2500 supercharged gasoline-fueled, liquid-cooled V-12 marine engines.
@Cam montreuil engines In the early 1960s, there was a PT boat used as a fishing head boat out of Indian River inlet, Delaware, named simply, "PT." I have no idea what powered it but I seriously doubt that they ran triple Packards burning 200 gallons/hour of 100 octane avgas at a mere 23 knots.
Isn't this the engine from the P51A Mustang/ A36 Invader?
@@Decurion505 The Allisons were used in P-40s and originally in Mustangs but performance was greatly improved when the British fitted them Packard Merlin engines.
@@tonkingulfyachtclub8111 Brits never fitted the Mustang with PACKARD Merlins !!! They used they own merlins from a spitfire in 4 hashed up test mules that never saw combat. North American installed and built ALL the Merlin Mustangs with PACKARD merlins !!! Facts of history !!!
Such a pretty sounding engine...
Met a wrench who had worked on hydro engines (while we were running a vintage F1); he was clear why the Merlins were favored over the Allisions; the superchargers.
Love that sound !
Solid
I would love to drop one of these under the hood of my pickup
Check these guys out. They're putting a V-12 in an Interceptor.
ruclips.net/channel/UCJULTQYCOM2rUvYdk0qU9ow
@@chuckh9383 We gotta see that!
so
David Craven:, you are right.
So many times I see people build boat, car & plane engines etc,as soon as they turn the key, up goes the throttle!!!!
They don't realise the oil takes a while to get round EVERY SURFACE!! ( I had one engine That had a faulty NEW oil pump, I realised no pressure, shutdown, replaced the pump, all ok! NO damage)
I have some "experts" not even checking oil pressures !!!
Why would you even attempt to start a fresh build right off? On a fresh build I run the oil pump on its own till I have oil pressure, and at the very least disable the fuel/ignition and crank it till I have pressure.
Would never attempt a start right off on a fresh build, just asking for trouble.
Beautiful! What is the tq. and hp output?
Nobody is really sure of the torque rating. But we estimate the horsepower to be around 1400.
Ahh... the advantage of getting old! you're no longer care for hearing loss...
Beautiful Motor.
Boy that baby is SMOOOOOOTH
Every bit the equal of the Merlin.
Boy she runs smooth as silk... Was that an inertia starter I heard? Seems like there might be control over a clutch engagement if my ear is correct? Anyone know the specifics of how that starter functioned? Sounds like it spins up a weight and then has an electromag clutch engagement perhaps?
Nice 4-wheeled toys in the background
Good evening, that engine stand was impressive also. I wonder how they rotate it? They have the locking wheel with a through pin or clamp device. I couldn't see how they used the sprockets on the rotating shaft to turn it. It sure was beefy enough for the job. Thanks for the video and take care.
So this engine has 2 exhaust ports per cylinder?
And 2 intake ports. 4 valve per cylinder.
Yes
Forrest Walsh Yes and 2 intake valves also with a single overhead cam and roller tip rockers for each cylinder bank !!! All the goodies of a modern racing engine designed in the mid 1930's !!!!
Ooh I wanna drop that in an old Fountain turning two surface drives...
Why is the exhaust of the Merlins so smokey in comparison to the Allisons?
I would think it would depend on the individual engine. Kinda like, why does a Ford smoke more that a Chevy, sorry bad example. Lol. We also add a grove to our pistons and install a Cummings oil ring. That seems to help a lot with oil consumption.
Hand me some marshmallows!
Tons of money all over the place in that hanger. Wonder what's in the crates?
Music. I have never understood why GM didn’t get a high altitude kompressor into the earlier V1710s. Would’ve really given the early P40s an edge over the Axis in the Desert War. I’ve always thought the Alison was a cleaner and better designed V12 than the Merlin.
The Allison was designed for use with a turbo. The Merlin was both more advanced and more developed.
The turbos in the 30s and 40s were incredibly bulky. Greg's Airplanes has a series on the P38 which was designed around the Allison complete with turbos. In US trim the P38 was a very useful warbird. The Poms however didn't accept turbos and attempted to operate with just the single stage supercharger, the results were predictable.
The P51 was originally fitted with a non turbo-supercharged Allison. Once the Merlin was fitted the P51 became famous.
It is really a horses for courses situation. The 2 stage 2 speed mechanically driven supercharger fitted to later Spitfires etc., was more compact but both took engine power to operate and pilot input to deliver.
When the second stage was achieved by a turbo-supercharger the engine was easeir on pilot workload and more efficient.
There is a good write up of the work Charles Lindbergh did tuning the P38 for vastly increased range. This work is allegedly what allowed the P38 to reach and shoot down Yamamoto. The turbos were key to this.
Marc Problem was the USAAF was the customer and they wanted a single stage supercharger and they falsly reasoned if they needed high altitude performance add a turbo....BUT... on there was NO room in a fighter for turbo, except the twin boom P38 and the fat JUG P47 used a turbo both fed the single stage supercharger !!!
@@mikenewman4078 Allison was NOT designed for a turbo !!!! It was designed for the US Navy dirgible with the single stage supercharger. and the USAAF wanted the single stage supercharger and IF needed a turbo could be added, except the turbos were too large !!! Also the Merlin was NOT more advanced !!! The Basic Allison was 60 cu in 1 L larger, had stronger con rods, a higher output oil pump and a more modern roller tip rocker arms on the valve train . and weighed 300# LESS and was stronger. Merlin had a lot of problems with head and block cracking and oil leaks !!!
Oh to go back in time and buy some cheap surplus 1710s. Sounds great.
Blue flame, mixture correct
Beautiful just beautiful
a true monster
perhaps a welding institute should have a competition to see who could build the best fuctioning set of headers for that thing.it gives me a headache just thinking about the variables that need to be considered for such a job.
yeah = well really informative video - so it is a super charged twin feed dual exhaust ports and 4 valves per cylinder - so what the F___ is it chuck ? how rude to not inform us all !
Are the tubes that are inboard of the cylinder heads fuel injection rails?
Not sure what you are looking at. I'm guessing what you are seeing are the spark plug wires for the intake spark plugs. Fuel is delivered by one injector, located below the carburetor, directly into the blower.
The engine that’s used in the P-38 Lightning, or as the Germans called it, Die Gabelschwanz Teufel (The Fork-Tailed Devil).
It's beautiful.
The boy’s who make the noise.👍
Is there two exhaust ports per cylinder? Or is this like a V24?
Yes, there are 4 valves per cylinder. 2 exhaust valves and 2 intake valves. Also 2 spark plugs, 1 on the intake side and 1 on the exhaust side, on each cylinder.
Does it do anything but make noise
It's almost 80 years old and it makes a 64 year old, 6500 pound wooden boat go 130 mph. But it is such a beautiful noise.
awesome, how many camshafts, valves per cyl, n were they injected or carbs?
I love all engines
mikebelcher Single overhead cam each bank driving 4 valves per cylinder through a roller rocker arm, they were supercharged with a single stage fed through a Bendix pressure carb, for runner of the throttle body injectors, Carb was pressure fed no float, 2 Large barrels !!!!
Rev her up boys--feed her the onions !!
As much as I love the smell of nitro, we run VP 110 octane. Both of our Allison's really like it and it seems to be easier on parts.
Music to MY ears!!!!!
Is that a leak or did you spill a little oil on that beautiful lady's right exaust manifold? You mean she's not getting too hot sitting still like that?
This was the first time we tried to see if she would even run. We just completely built a new cylinder bank. I hadn't sealed the valve cover gaskets yet, incase we need to get back in to readjust the valves. That has be taken care of. We have a hose hooked up, the water outlet hoses are down in the floor drain.
Sweet as good ol engineering 👌👍😀
I love the Simmons on Vendome.
Beau moteur
P-63 variant for a boat installation? Hope she’s a woodie.
If car engines started so temperamentally as aircraft recips do we would still be riding horses. This one wasn’t bad but so many restored warbirds that have had millions of dollars spent on them just give so many problems waking up their engines. Especially radials. This one runs sweet once she’s warmed up.❤️
One thing that makes it tougher for an aero engine to start and to idle cold is there is no spark advance.
What side is considered the rh bank in this application?
supercharger is on the front in this application power shaft the rear , right side is the right bank!!!
I want to put that in my Mitsubishi Shogun
I wanted to see it ran upside down. We have a few of those stands at our training center but I've never witnessed them put to use.
I noticed that every exhaust port had a nut missing in the center, nice motor by the way, very sweet.
Yes and not only the centre ones. Maybe they ran out of nuts? 🤷♀️
What airplanes did those Allison B12 come in
Came in the P-38, F-82, P-5, P-40 and a bunch of experimental aircraft.
I saw a tractor puller with 2 side by side . The sound was incredible .
i like the Allison 1710 more than the Merlin 1650?
They are both good engines, the Merlin was much more advanced.
The Allison as shown will be good for a boat. For Warbird use the turbocharger system would be required as Allison never developed the same mechanical supercharger that Rolls Royce did.
@@mikenewman4078 P-38 Allisons had turbo systems developed by GE(General Electric), and cleaned house in the Pacific theater!
Brits had afew P-38s and they removed the turbos, of course power was down 30%, used the planes for reconesence! answer? why would they do that??
check out Utube 2015 air races,VooDoo plane MAYDAY landing!
When John Candy fires up his V12
The origin of the term "balls to the walls"
If you Could'nt do it with a Rolls Royce Merlin, the Allison was the next best thing.
Wasn't that term coined from external mechanical governors that had ball weights, not found on this engine ?
@@midway27272727 the throttles in these planes had balls on the end of the lever. When slammed wide open they would hit the firewall. So the squadron leader would yell over the radio "balls to the walls" meaning full throttle. Or at least thats what the discovery Channel said...
Way off base. The throttle controls had balls at the top of the stick. Balls to the walls. meant that they were forced all the way to the wall(fire-wall). That's all there is, there ain't no more !
My late father-in-law, told me all about"balls to the wall".As a P-51 fighter pilot, he lost one ball to s bullet under his seat(the ball was one of his nuts). Fortunately, he survived combat.and fathered two children.
I think I hear an exhaust leak lmao Jkjk beautiful engine I probably couldn't afford a head gasket
Is that Maserati Merak jacked up behind next to the merc?
40 Buick, supercharged Tbird, Pantera L, Mercedes S class. Although it would be pretty cool to have a Maserati to play with, there is not one in the hanger.
@@chuckh9383 oh my, right I forgot De Tomaso! the body shape and front are similar that I’ve mistaken it for Ferrari 308 and Merak
Where do they find these engines are they from old war birds , tractor pullers use 3 of them ???
Yeah, that's where they come from. I don't think a new 1710 has been made for a long time, a quick search didn't turn up anything except for a rebuilding service and a plethora of spare parts. I imagine it would take a substantial sum of money to get one that isn't even running.
Beautiful! So where is this engine going?
Harold Adelman... Pay attention !!!! The heading paragraph says its an engine for the U36 Miss US IV Hydroplane !!! GEEEEEESE !!!!!!
Before machining any investment castings provided by the customer, you should always make sure that they have been properly beta annealed before wasting expensive cutting tools on them. The heat treaters often take short cuts leaving the parts virtually un machinable. Spend your money on on proper beta annealing and you will spend about a tenth of the amount on cutting tools that you would on parts as is.
Impressive.
I thought the allison 1710 was turbocharged?
Mirelle Larouge ONLY when installed in a Lockheed P38 Lightening.....the TURBO worked as a second stage as the turbo fed the stock single stage mechanical supercharger mounted on the opposite end of the power shaft !!! This engine has the single stage supercharger !!!
Are tgese engines still being made ? Especially for tractor pulling n stuffs?
GM stopped building Allison engines in 1948. The serial number on this block traces back to 1943. We run these in a vintage Unlimited Hydroplane built in 1957.
Awesome!
Ok great it runs. Now let's go tractor pulling!!
Courtney........ Its going in the U36 Miss US IV Hydro plane !!!
Is this going in a hydroplane?
Yes. The Miss U.S IV U-36.
It would be a nice engine in a boat like a hydroplane. :)
TheSagerider DUUUUUUUUUHHHHHH !!!!!!!! Thats what it is for !!!! U36 Miss US IV !!! PAy attention and READ the DAMN info !!!!
@@wilburfinnigan2142
Did you come by it naturally or did you have to work at being nasty?
@@TheSagerider NASTY ?????? YOU have not seen my "NASTY" !!!!! Just sarcasism !!!! Pay attention to the info being offered and you will learn something !!! Maybe ......