L76-LEGENDARY 365-HP 327 SBC UPGRADES- ADD 100 HP!!
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- Опубликовано: 29 ноя 2020
- HOW TO ADD 100 HP TO YOUR SBC! L76 327 UPGRADES! HEADS, CAM AND INTAKE IS ALL IT TAKES TO ADD OVER 100 HP TO YOUR SBC, INCLUDING THIS 327. CHECK OUT HOW WELL THE STOCK 365-HP 327 DID ON THE DYNO, PLUS HOW WELL THE UPGRADES IMPROVED THE POWER OUTPUT.
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As a kid in the 1960's my dad owned an L79 327 in our Nova. Even back in those days all the engine enthusiasts knew how special the 327 really was. I'm 65 now and have a L79 on a stand with a 283/292 on another stand with both all new parts. I'm currently modifying my Gen 4 BBC in my 454SS 1990 truck with air gap manifold, new stage 3 cam, HEI, 850 Brawler, and a few other parts. In 2001 I built a 502 CID crate (Scoggin-Dickey) Boss Hoss bike at my house in Plano, Texas and rode it for 5 years until the NESCO transmission planetary disintegrated. I guess I am a gear head. It is not my profession as I was trained as an EE engineer and worked 37 years on telecom systems around the globe. I recently rebuilt an old 1966 Ford FE 428 that was rusted and full of mud bugs. It was from my father-in-law of whom died in 2020. I was really intrigued by the Ford 428. The heads and manifold merged in a unique design unlike GM products of that era. It is fun stuff working on this type of machinery. One day soon after most of us are dead it will be today's kids working on electrical powered vehicles. I see Tesla vehicles on the roads in Dallas and Fort Worth daily but they don't appear as mean as a 1970 LS6 or a Hemi Cuda. I'm thankful I was given the chance to grow up in the muscle car years. Hot 327 powered Camaros, hot girls, 8-tracks under dash, and plenty of fun times. Long live the internal combustion engine.
EV’s are still a long way off, too many people don’t have the access to charging and the battery tech still isn’t bullet proof. Just to get a charging station in your garage in an old home just isn’t winning people over let alone in an apt building. The old pushrod V8 has so much untapped potential you could have cut one in half and had an I4 with more than enough balls to give you whiplash. With how poorly tuned some of these big V8’s in terms of power vs displacement we can do better. Highly tuned means maintenance is key but smaller well turned engines paired with transmissions with more gears would get the performance and fuel economy people are looking for. No CVT’s and front wheel drive
I don't see EVs taking over. Imagine people that live in apartments or park their cars on side of road at night trying to charge it. Or people living in the ghetto even affording an EV much less charging one.
Thanks Richard
First off anyone comparing this to a big cubic inch or an LS, obviously missing the point. I had drag race a l 76 set up for years. Small Journal 327, .060 overbore, Same .120 dome pistons.. very same duntov 3030 cam. And using camel hump cylinder heads with some mild Port smoothing. It always ran super strong considering it was small cubic inch. At some point I installed Herbert roller cam CC6k 244 - 252 at .050 .600lift. With old-school 292 turbo heads. Never had it dynoed, but clearly the roller cam and 292 heads made significant power difference. Almost full half-second faster in the 8th mile than the duntov CAM setup. I always wondered what the actual Dyno power was from the original setup. That's what makes this video so interesting to me. Thank you for putting some focus on it
The old 30 30 duntov. Old school.
Love your comment on small block in a 56 chevy then 350 in 60 corvette then BBC. But still missed the revvvving of small block. Plus days of respect being normal behavior and Sunoco 120 octane down the street. Thank you for great memories. Waiting on delivery of a 540 blower engine in July. At 70 this is first of. Over 300 engines that I did not build. BBC Stroker engines made me a good living and alot of friends. Wish our youth had the chances we had and the freedoms! Thank You for Sharing..
Ive got a set of 292 heads on a 78 rally sport camaro..
@@stephenmitchell3569 p
440hp from only 327 (or 331 at .030 over) ci, NA, is outstanding! And no low end tradeoff of torque! Tremendous gains! That in a 63 Nova would be wild! Looks streetable too.
Ive found that the 327's Love 0.30 over bore. I think that makes them 331 CI. ? Please let me know if Im wrong. Thanks.
@@edgallegos496 That's right. My first car was a 1970 Nova. Stock motor was a 230 six with a 3 speed. My dad and I swapped in a 327 and Muncie 4 speed. It was bored .30 over. Used a Melling cam. Sounded and ran really strong. Can't believe I was driving that as a teenager. 70's were awesome.
I am an old school drag racer my friend down the street had a 66 Nova with a 327 to claim that horsepower out of the old models is really a push especially claiming to give up no torque even the Corvette fuel injected was 375
have a 331 in my 56,,,love it
@@edgallegos496it wasn't just the 70s. I was a teenager in the late 80s and guys I went to school with had novas , chevelles, Camaros , barracuda. I bought my primered 71 nova 350/4 speed running driving for 500 in 94 from a boomer couple.Nobody but us broke young guys wanted these cars during that time
as i recall the L76 engine was a Vette only option. Great engine back in the day. So interesting how these engines really wake up with modern day components
My favorite small block Chevy is the one I’m working on. I don’t care if it’s a 283, 305, 307, 327, 350, 383, 400 or otherwise. I enjoy all of them and I actually like to experiment on 305s and 307s because people give them away. I’ve made a lot more power from them than people think they can make. I mean it’s not a big bore, but cheap 350 horsepower is good.
Had a 68 DZ302, just loved the sound, and would rev till the cows came home. :-)
You just renewed my faith in the 327 and I remember how impressed we were when that engine came out and we started dumping them in our tri-5 Chevys and our Chevy II's and Novas. At that point the double -hump heads were as good as we could get.
the 327stock can handle 1500 more rpm than a 383 stroke .lol
Yes and they had some great minds porting the things also, now it is established what to do exactly to those heads to make them awesome. Check out Vizard's ported versions of those things, backed by years of pro racing.
And what's your point? It was about how technology has advanced and what actually could be done.
@@petersdraggon My point was exactly as you describe.....at that point double hump heads were the best we could get....now with computer design and flow bench data, the present small block heads are much better.
When ever someone says to me, "they don't make em like they used to" . My answer now is always the same. I say, "I know, they are making them way better" . Ha. I remember when the fuelie heads were the shit. Now, HP is easier than ever to make. Just think how good it would have been if you had the modern 4 valve heads and dual over head cams with VVT on 427 ci with EFI, back in the day.
Well, maybe not. The tires and brakes sucked pretty bad back then, too. Thanks again Richard!
I had some mean 327's back in the 70's. With a four speed trans and a 4.56 rear... Wow, fun, fun, fun!!!!!!
Indeed. My first build back in 77 was a 67 327, 11.5, SR >300* ADV Dur, worked over heads, Strip Dom, 780 with 4sp and 4.88 gears in a gutted 70 Nova. Was a blast out to 7500 (8K sometimes). Would love to dyno that combo to see what it made. Car worked great! Shocked many BB cars (especially Dodge) due to race weight. Fun Times!
Max speed of maybe 100 with those gears and tire size, but got there fast! Lol
what were the engine specs?
@@ralphhanson9147 If your question is directed at me, what I remember is it was a .060 327 with 12 to 1 compression. It had a fairly wild cam that I don't remember anything about. Double hump heads that were ported and gasket matched. Stainless valves. Don't remember what rods but I do remember that the main caps had some kind of girdle or a cap to strengthen the main caps. I've never seen anything like it in books or magazines so I don't know if it helped or not. Aluminum intake and Holley but don't know what size. It was back in the early 80's so memory lapses are many...
@@dannywilsher4165 thats rad man. im going to build one for whatever hot rod i get.
327 was always my favorite sbc
In 1973 Ole Sam and I built a 327 from the bottom up good pistons Edelbrock Tarantula intake Crane Fireball hydraulic cam Hooker headers glass bead factory cast iron small valve heads with Manley Stainless tulip swirl finished valves & a Holley Dual inlet double pumper 600 cfm carb.into my 1964 Chevy II SS Nova 2DR hardtop with a Turbo 350 trans. & 4.56 gears ! Man what a ride ! Glory Days for sure !
Years ago I had a 65 vette with a L-79 327/350hp engine. An awesome combo
Best ever because it had the 2.5 inch manifolds and exhaust, dropped to 2 inches in 66
Gen 1 400 that’s my favorite small block Chevy
Why? Bore and stroke similar to bbc in a sbc package?
Probably the best motor for a badass street car, but the webbing can kind of make for a weak block once you start making a ton of power. I personally love the more rev happy smaller displacement engines. So the 327 gives a good balance of torque and power. I would like the 302, but something about just a 5L engine that weighs that much just doesn't sit well with me. When a 327 can be 8,000rpm, why would you give up that extra displacement?
@@chasewebber4316 yes, more cubes than the other sbc’s
1970 400 better compression. Lotta tq.
@Mr. 6 liter technology.
Back in 1965, my brother bought a 327 crate engine from Les Vogel Chevrolet in San Francisco. It was 375 hp. They said that it was one of 7 of these special crate engines to go to the the West Coast. We put that engine, along with a Muncie 4-speed with a .220 first gear in a 62 black Chevy Impala that my brother bought from my parents. He took it to the drags, and when he raced it, he was always twisting axles into barber poles and ripping them in two. Solved the problem by putting a 12-bolt Pontiac rear axle in the car. I have never heard another 327 that sounded like that one. It had a unique lopey rumble Idle. I have no idea what the real horse power of that engine was, but it would buzz 8500 RPM like it was nothing.
327 was the best small block made.
Yes sir! Had one for 15 years to spend through trucks cars mud trucks and race cars now a boat. Used commercially everyday and never skipped a beat
It’s still in essence the most popular small block; the 5.3 is for all intents and purposes the modern 327. The 4.8 is the modern day 283 as well.
They were great. All small blocks can be pretty great but I'm gonna have to disagree with which is best. I may be bias but none of the legendary small blocks hold a candle to the LTX (LT1/LT4). They just simply can't compete with the LTX even with way less cam timing. A cam only LTX is even nastier.
Sbc 400!!! All day and twice on Sunday!!!
Back in the mid 70's I had a 67 Chevelle with a 300HP 327 and Muncie 4 speed from a 65 Impala, by far my favorite hot rod car, it inspired me to power my stock car with a 327 too, never ran it on a dyno but it won several times against bigger engines, a bit of a mish mash of parts it was really reliable and just seemed to make a good amount of the right kind of power for short track racing.
To this day I still daydream about how much I like 327's, by far one of the best engine combinations (bore to stroke to rod ratio) ever conceived, you had to be pretty inept to not be able to make one run damned good.
I had the same setup in a 66 Chevelle. It run like a raped ape!😂
Long story short. The previous owner of my 69 Z/228 that I purchased in 1970 w/ 6,000 miles for $3,300.00 owned a custom Pick up truck that he showed with a corvette motor. He thought it would be better with the Z motor. After loosing fan belts and an oil leak, my Chevy guru (Paul Joseph) at the parts store told me that the oil seal was from a corvette. The dealer came clean and offered me a brand new crate 302. After a short consideration, I refused cause I was cleaning up on the street ! All I knew was it was a 327/375, 202 valves w/427 springs (3), 4-speed stone crusher w/4:88 rear, hooker headers, Mallory dual point, and 750 Holley. My friend at the local Ford dealer( Dunne Ford) in Providence R.I., put it on the dyno and produced 550 @ 6500 rpm. I shifted it at 8,00 but he wouldn't let me go any higher. It turned a 12.9 once but was otherwise (lol) consistant at anywhere in the low 13's.. Boy do I wish I still had that car! It was Hugger Orange w/Black stripes.
No 327 with stock Fuelie heads ever made 550 hp (more like 350 hp), but they are fun
Mine is the 400. I’ve owned 305’s, 307’s, 350’s, and 400’s and generally build my stuff for the street (and pickup trucks), the torque from the 400’s is my favorite. One of my favorite combos was with Vortec heads, a cheap summit cam (Sum1103), and rebuilt 400 bottom end. It just made a mountain of torque and pulled hard to 5500-6000... more than enough power for stop light to stop light driving.
We would make great friends😁 I also love the 400 sbc.
Yup. I've done that and loved it. My favorite small block Chevy
327 for sure I remember them back in the day when they were stuffed into chevy two bad ass!!!!
In 1978 (I was 16) my Dad bought me an L76 from a 65 Corvette which replaced the weak 307 that came stock in my 73 Nova. I started to do a lot of street racing, soon I began to hunt Mustangs. I just loved shutting those Fords down. In the 4 years I ran that engine I only got beat one time. A 67 Coronet 440, beat me by a fender in the quarter. At least no Ford ever beat me. I would have won, but my points were fried and I shouldn't have accepted the challenge. My ego and previous record had made me cocky and over-confident. The worst thing is, the dude with the Coronet moved out of state 4 days later so I never got a rematch. My point is, this engine transformed a boring grandma ride into a real street beast. I miss that car more than any other car I've ever owned. Thanks for posting this.
I would have loved to raced you with my 65 fastback we ate every vett we saw😂
@@markvivianojr1655
I wish I had a time machine. I would eagerly accept your challenge.😀
God I miss those days.
400 with good cam and rpm air-gap = fun for years!
Grumpy Jenkins and his 327 powered Nova, legendary.
that was actually a .030 over 327. so actually 331ci setup and if I remember correctly it had close to 15:1 compression, dry sump oiling, ignition was from a 62 corvette dual point distributer, a highly modified Edelbrock tunnel ram with twin dominators. if I remember correctly it was close to 700hp, in one of his books, he talks about gas porting the pistons, and using a special crank case pressure evacuation setup. Grumpy was the man back in the 70's
I built a 327 back in the 70's and into the 80's in my Vega. Like most guys I was running the double hump heads until I went all out and bought a set of the new Bowtie Aluminum heads with 2.05 intake valves. The difference was amazing..I was already running a decent Crane Cam and Victor Jr single plane intake and those heads woke the beast.
Good stuff. The truth is my beloved 327 was just made at the right time. Give a 400 small block all the same hi-po goodies and it will rule the roost with ease. 2 barrel low compression truck engine. Geez GM, what were you thinking?
What impressed me with this video was what the modern cam was able to achieve. To extend the peak RPM range like that while increasing the torque across the board with just a cam. Wow!
I was 15 in 1995.. I got a 1978 LT Camaro for $800 from an old lady and pulled the 305.. dropped in a 327.. 750 double pumper.. performer intake.. a cam that was way too big.. 2800 rpm stall.. not to sure but 273 or 256 gear with one wheel peel.. all the wrong parts..
Yep I loved that 327.. once I got over 3500 RPM it was great..
1st gear 77mph at 6800
2nd gear 112mph at 6800
3rd gear well the speedometer only went to 145 so who knows what i was doing..
I'm glad I'm still here to write about it..
I wish I was around to see those beautiful long timeless impalas in there prime back in the late 60's...
The mid 60’s versions were the best!
For me, the 327 and 427 are my favorite Chevy engines , from back in the day !
4.155" bore (400sbc .30 over), 3.25" stroke (307/327 lg journal), 6.129" rods (300 I6 ford) 601' heads w/unshrouded 2.02"/1.64" valve set and a set of recessed wrist pin pistons (JE). Your choice of bump stick.
Torque and power through the entire rpm range.
Nice Combo!
This is great! I have a 327, did all the same upgrades edelbrock performer rpm heads, performer rpm intake, crane fireball 290h cam, 1.6 ratio rocker arms, sniper efi with the hyperspark system but not long tube headers. Not enough room...
I had a modified 327/365HP in my 1960 Corvette from 1971-1985. Running 5.13 gears. still miss it !
1978, I took a 327 bored .030, 11.5 Super Stock pistons, 461 heads with mild porting, Crane Blazer camshaft .465 lift 300 duration only with 1.6 rockers yeilding .496 lift, Holley Strip Dominator and 2" open plenum spacer, 850 Double pumper, Thorley big tube headers with short length collectors. Chassis dyno conversions what they were in those days, the numbers were close indeed. 438 hp but, I don't recall the torque. That thing would just scream. 7200 RPM was a good place to move the lever on the M20.
1970 400 sb 4 barrel comp 268 performer intake and 1-5/8” headers
1st build at 14 years old
That must have been one fast bicycle!🤣😉
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Good job .we all know with today's technology you can make the 327 more powerful, and thats great. I have a 1965 300hp 327 and just bought a offenhauser 3 two barrel manifold and 3 new rochester 2gc carbs and I am going to be very happy with it in my tr6 triumph going to lunch on Fridays
Sbc 400.. i grab them now when ever I find them..
And yet despite this and other engine builds highlighting the great aftermarket heads - almost every time a SBC build comes up someone will ask “what about fuelie heads?” I guess the fuelie head legend will never die, like a 3/4 race cam for a flathead.
Never understood what a 3/4 race cam was... In my mind, 3/4 meant 750 lift. But that couldn't have been, especially for a small block on the street...
There is a whole list of questionable modifications on street hot rods that have always made me cringe. Either over described like “3/4” race cam on flatheads, or meaningless on a street car like a rear mounted battery for “weight distribution” (that mostly makes it hard to start). I also get a kick out of the over size hero cards that some guys prop up on or near their car for cruise nights that list everything special about their car - and they always list horsepower in even increments of 25 (which lets everyone know that the engine or car has never been on a dump)
Yeah could somebody please explain to me what a 3/4 race cam is didn't think there was such a thing
Yes I can. Way back when the flattie ruled the streets most hotrodders knew next to nothing about cam specs. A full race cam was pretty miserable in low speed city driving - so guys who were building really hot flathead V8’s would ask for a cam that was almost a race cam - and viola, the term 3/4 race cam was born
@@darrylnicholson1387 3/4 of 360 degrees, therefore when you hear 3/4 cam they actually means about 270-280 degrees @.050" lift.
I grew up riding in a 1969 Chevy Impala 327 converted to a 4bbl, my mom loved cars, and I remember the power that little small block had. My favorite is that, although every other motor was amazing with the big 3. I currently own a 2016 GMC Denali with the L83 5.3, bought it new, all the 6.2 were gone, and with the factory Borla exhaust premium grade gas, it does far better than I expected. A 6.2 will just spin, and I’m off and it has to catch me.
My brother had a 1973 Nova we put a 350/350 in, stock. That car would run circles around just about everything else in town. This was in the mid 70s, and we had to doctor up the gas to run it, but it was a great running car. Eventually, we got a better intake, carb, and HEI ignition for it, and that woke it up a lot. Being a Ford man myself, I have always been impressed by that car.
What gas additives worked for you?
Thanks for the continued great content.. you have given me some direction on my 327 freshen up and upgrade 👍🏻👍🏻
Thank you Richard, this was right in my wheelhouse. In the early 70's, I bracket raced a four speed 68 Nova and .060 over 327's were my go-to. For me, they were the fastest for the least money spent at the time.
Those AFR heads that you used are Stout! I would have loved to have seen the Trick Flow DHC 175's get a test as well, just to see how close they could come while keeping "the look". They have really good flow numbers for the size of them.
I have a soft spot for 327’s . My first muscle car, a 1972 Chevelle had a 1965 small journal 327 installed in it. It wasn’t this strong but it revved fast. Had a nice sound to it too. Would’ve been fun to keep that motor and do something like this.
Just love that 327. I had one in a 68 vette. Carter AFB mild cam and hooked headers/sidepipes.
That little 327 was a beauty. Plenty of power and those pipes would just sing !
my favorite is the 327, my buddy has his grandpa's 56 f100 with a 327 swapped in, decent cam, love that truck. its a dull green with a mustang 2 front end/disk brakes. i got a 350 in my corvette but the 327 is just unique i love the sound. love the videos richard!! truly the holy grail for gearheads
Chevy's High Performance 327 C.I. was the sweetest production V-8 small block available period.
IT WAS ONE OF MANY GOOD ONES, EXCLAMATION POINT!
My old $150 engine, an SHP 327 pulled hard up to 7,400 RPM with a simple valve spring change. The 1963 block code was T0702HK. Someone had put it in a crusty-crab 1968 4-door Caprice. I bought the whole driving car for $150 back in 1978. Parts for my 71 Chevelle. Flat 14 second time-slips all day long at Suffolk Speedway.
I have(2)327s, one 1965 and a 1967 I love this motor above all.
Me again. I have done this exact thing to my 67 327. I now run the AFR 190R aluminum head, solid lifter cam 630 lift 11 3\4 to one compression and a Victor Jr intake. We guessed it to make 500 hp. Glad to see this video to back up what we thought.
I had a 67 Corvette, 327 / 300 horse, put 350 cam, lifter, springs, Edelbrock turanchler manifold, Holly 800 DP, distributor worked for 32 degree fast, ran good. This was back 1969 - 1974, Then sold the car. Now have a 1969 Nova 307 I will work on. This will be fun trying to get power to spare. Thanks for the video.
The best factory SBC was hands down the LT1.....But if we're talking building a modern SBC with modern components "there is no replacement for displacement" is always true. The 400 based small blocks today are head and shoulders above the old 327-350 ci engines.
I built a lot of small blocks back in the day and it wasn't hard to beat what was available back in the 70's and 80's. Most of the combinations were based on the high HP versions of the 60's but there was one consent, There IS no replacement for displacement and HP is made in the cylinder heads. People used to throwaway 400's, I loved them, you just had to be careful not to overheat them. A few years back I pulled out a 400 shortblock for a buddy that needed one for a '52 Deluxe, that 400 was a shoe in and that boat needed it. Well, I put a set of 062 Vortec's on it and a Comp 260 bumpstick in it and I can't tell you how much power it made but the next upgrade was a new trans after that engine torched the Turbo 350. One of the stronger SBC I'd ever built, definitely my favorite.
I love my 365hp 327 I have put in several different cars over the years it's on the stand for a rebuild and up grade rite now thanks for the information I will follow some of your build my 71 ventura will love it thanks Joe clay
Always liked the 327 over the 350. The shorter stroke made it rev quicker. I would beat big blocks with a 12.:1 327, 140 off road Z-28 cam with dual quad tunnel ram and 4.56 gears. So much fun! Still have 327s in my stock Corvettes.
Excellent info!! It's crazy how much HP you got out of this 327! Technology is amazing!
So going back to the 70s, my engine was a 275 horse rated 10:1 compression spec in a 67 Chevelle. I installed a Z28 dual plane intake, shaved the 1.94/1.50 heads 35 thousands, installed a L79 cam, ran long tube headers with a measly Holly 600 vacuum secondaries carb. Ignition was pretty much stock other than different springs. I never dynoed it but the best I could run in the 1/4 mile was a 13.91/96 mph. I know I needed a bigger carb ... I'm guessing I could have been in the mid to lower 13s pretty easy. Cool video as I thought the 327 was a great engine overall!
That is good in a Chevelle. Much heavier than a Nova. Respectable number for a small motor.
Just had a 327 built for my 1963 nova. Had one in my 1956 nova as a kid. Loved it then so I did another one now . Mega power and torque on the first one. Shifted at 7500 in the nomad.( Solid pink stripe cam, and solid lifters. Can’t wait to drive the nova soon.
I had a friend that had a built 327, back in the day. It rev'd so high that it would throw off the fan belt. Fan belt sollution was deep V pulley. He had it built to a "recepe" from Popular Hodrodding. I remember going with him to the junkyards looking for certain desireable block numbers. Also looked for the"2.02" valved heads.
The 267 V8 is my favorite, 3.5" bore and a 3.48" stroke. Because that's what was in my first car, a 1980 Malibu Classic with 2.29 gears and a posi. Poor thing wouldn't spin the tires on a gravel road. Got beat by 4 cylinder S-10s.
Needless to say I built a 350 with world product s/r torker heads as soon as I could afford it.
The 327 was Grumpy Jenkins favorite small block. I'll defer to him.
From the factory, the 400 never got a high performance version, but every NASCAR small block eventually was built from a destroked 400.
I grew up in the 60s and 70s, with 10000 rpm gasses, so 283, 302 are probably my favorite small blocks but then again I've had alot of good running 350s
The 400 small block is my fav.
good stuff for an old Chevy motor head from the old days- thank you
Had a older 327 in my 70 Chevelle SS. Don't remember thinking it needed more power! It was more than a 16 y/o could handle anyway. Car only lasted 3 months before I wrecked it. But wore out 12 tires in that time. Only small block I've driven since that had that much power was a stroked 383.
Love your video on the 327 I have a 327 in my cj5 jeep and it runs great I love this engine I also love the 302 power plant I've built more ford power plants than chevy but I am really impressed in how this performed in my jeep on the trail
Back when I was young , I had a built by me 350 S.B.C. that kicked butt on the streets of Hemet , CA. My favorite .
What a Great video, thanks for doing a 327 you are freaking Awsome.....
I have a soft spot for the 305 and you can usually get them free to cheap because nobody wants them but I showed plenty of cars both other V8s and Turbo 4 cylinders my taillights pretty often with mine. Always wanted a 400 but they're so hard to find
The 305 served me well when I bought my first 2 cars. Decent low end torque and gas mileage was wonderful.
My old 327 combo made 311hp at the wheels through a 700R4 and 12 bolt with 4:10s. Flat top pistons, fuelie heads ported and polished, port matched Holley Street Dominator single plane intake, Comp 280S solid flat tappet.
Ran a built 327, 522 lift Crane Hyd Cam, Venolia 12.5/1 pistons, 202 intake camel hump heads and Hooker headers, muncie 4 speed in my 55 Chevy, great combo, great time
Having had one of these engines in my 1965 Vette back in the day I'll say it is a mighty fine engine just stock. many high revs one time missing a gear that broke some piston rings but this engine is one of chevys finest in my opinion. After 80,000 miles the tear down showed no damage or even substantial wear to the bottom end (crank). They had two bolt main bearings but I have never seen or heard of damaged bottom ends on stock engines in spite of numerous wild RPMs. The harmonics are another issue but they held together well,
A neighbor had a 63 split window 327 vette that he tricked out. He made a gasser out of it complete with slicks, roll cage, wheeley(?) bar and ****yes a blower. It was bad as Hell I thought.....until one day (after not seeing him or it for months) he unveiled his Pearl White blown 72 454 vette. It too was a Show Car with all the above and 5/13 gears. ....He'd taken 63 in trade for the 72 and went to work on it immediately. ..... It was in 74 his wife left him and he got drunk and stupid one night and went across a 5 lanes doing a wheel stand....he about lost it and his ass. Later sold it and said "It took him three years to build it and the kid who bought three days to tare it up". No, he didn't wreck it....but came close. He (the Dr.s son & new owner) (and childhood classmate of mine) died on his Harley trying to avoid the cops. He was 19.
I love these ol 327 I have one in my 70 c/10 4:11 rear end an Holley carb
i am about to build almost the same motor. currently running a 327 with camel hump heads making about 350 hp. going to afr heads steel crank and solid roller cam. this will be my daily driver. in a 1969 Nova. thanks for all your video's. extremely helpful.
Good luck!
As much as I love the Z28 DZ302 packaged Camaro, the 327 fuelie is king of the small blocks.
340 mopar....
@@frigglebiscuit7484 Good motor, but lost to a lot of 327's.....
@R Skip I use to have a 73 Dodge challenger with a 340 magnum engine in it and my brother-in-law’s had a brand new 76 nova with a 350/350 turbo with less than a thousand miles on the Nova we raced three different times and I lost all three times to a Nova that the motor wasn’t broken in yet !!!
@@will7its not the 340s that I saw or owned
very nice video and I have a soft spot for the ol 327’s which were born in ‘62. Still make great power and sound MUCH better than the LS series engines do though making less power with similar mods.
i built the L76 version for my L79 68 corvette 3 years ago. I then put in the exact same cam you di and added HEkimian racing heads. This past winter I went to a hydraulic roller with comp solid roller lifters and zero lashed it. It was the 12-433-8 XR288HR-10 with .520/.540 and 288/294 duration at.006 and used 1.6 roller rockers so it was up around .555/ .575 lift. IT WAS SO MUCH FUN!!! lots of power everywhere. I just milk shaked the engine when the comp lifters failed,..... hoping for a head gasket blowout. Luckily no knocks at all but a complete bath inside. Right now I'm spending the winter scrounging for big block parts. I want to build a 500 ftlb/ 500hp 427 that is driveable and fun. I have the block, intake and pulleys. Just need the guts and good heads. Hopefully I'll find some parts on Marketplace......the pistons, rods, cam. lifters and bearings will be new from Summit of course...$$$$$
And I was happy to make 330 horse 327 small valve closed chamber heads , to see this I new it was there back in my day aluminum head tech, was black magic then
I have a real dz302 from a 69 camaro and man...by far my favorite small block ever...built a performance version from a 327 with a 283 crank and its a buzz saw
I couldn't tell you exactly why, but there's a certain allure to a 327 to me. I just love that engine, especially with the old school style look with smooth valve covers, oil spout in the intake, orange block and heads, etc... I hope to build one for my 82 c10 and make a modernized internal set up with holley sniper efi one of these days.
My 64 Impala had a 283 that was rebuilt by a circle track stock car racer.... Looked all factory/ram horns except a Hei, Weiand Xcelerator intake & Holly 600 carb..... That little guy kicked ass for what it was !!!
This gives me a good idea of where my uncles 13:1 compression 327 is sitting! These old small blocks are no joke! Put some head studs on your l76 and throw some boost at it Richard!
Mouse got fed some real cheese right there, flexed it's muscles.
WOW! So cool to see my old engine in your video. in 1966 I drove a 1964 Corvette with a 365 HP 327 4 speed close ratio and 3.73 rear gear Convertible, triple white, both tops. Yeah it would burn rubber, tires were about 4 inches wide. And the speedo said it would get up to 140 flat out for miles. The front end barely on the ground too! Zero torque below 3,000 RPM. I had a MGC pull away at a red light when i had already eased into 2nd gear when he decided to showoff. I nail the gas in 2nd, big burp slow pull to 3,500 then i flew by on the way to 6,500 RPM but it was scary for a minute. I ended up with headers but finally pulled the 327 and sold it BAD ! Had several Rats for a few years but none were reliable even the L88 which was scary loud would over heat at a red light. Finally found a real Z28 302 and put it in there. Wow back to light wieght Mouse and grabbing R's to 7,000 was fun. Really cool to see the mods and how much the mouse gained. But today after having a 98 Vette LS1 Supercharges, a 2007 Z06 LS7 and now a 2014 C7 LT1 I know the LS is a better base motor. LQ a good street block. But if I had a Mouse to build I would want 4 bolt mains, And i think that pushes us into 350 type blocks. My 81 Vette was updated to a 93 Vette LT1 and Vortech SC with a great sleeper result. So I would go back to something like that for fun low bucks raise hell Mouse. Thanks for the trip down memory lane.
Saw the other Mouse You Tube Video and commented. But i am getting nostalgic now for that L76 Scream at 6,500 rpms. I need a cm profile for my LT1 2014 Corvette to give me that scream I wonder if Comp cams can do that. I saw Weapon X in Cinci has a Hot Stage 3 cam that does not require a Loose Torque Convertor and maintains the VVT stuff. Any testing in 30/30 Cam-alikes for the LS or LT motors??? The heads on this test were awesome how do they compare to Trick Flow? Thinking back Alum heads would have saved weight too. Cast Iron 327 took at least 4 of us to lift out with a chain and steel post. Hey it was 1968! Who had a hoist?
I have a short block 327, balanced hyperetetic pistons. I think I’m going to use those trick flow heads with the double hump looking casts and run a cam similar. Muncie M20 10bolt 342 gears in a 55 Chevy. Should look old school, 400hp, drivability for today.
would like to say i am building a 327 and it has become almost cost prohibitive with new parts at this time. 350 makes more since if you want a smaller sbc with good power. 2 sentimental reasons for going this way. thanks to Richard for this because many car guys are not only practical in there builds.
400, can’t beat the torque. 👍🏻
When you combine the two. It makes an awesome quick acceleration engine. 327 crank installed in a 400 SBC Depending on over bore usually will be in the 352 Cubic inch and up. With the correct combination will make a high reving high Hp beast ❤️❤️🤙🤙
@@robertheeter9440
RPM is fun, but I’d rather have the low speed torque of the 3.75” stroke, last pump gas 406 we built made 503 ft lbs...
I had two 327/365 Corvette roadsters and loved the light nimble screamers. Later I had a 427/425 roadster and a 435/427 roadster--both absolutely wicked fast. My favorite though, was always the 327/365 car, it was better balanced and would pass my buddies 427/390 Corvette like he was standing still.
I love the L31R Vortec. It’s a great base for all kinds of modifications and it can go into anything that had a Gen 1 350.
Awesome power from those factory heads, ready to go for roller cam👍🏻
I love your channel, by the way, WHERE IS THE LAST FORD 5.0 HEAD TEST AT!!!!! can't can't can't wait!!!!! Your the man.😎
Thank you for this video much needed 💯😍
What i loved about it because I have one is they love the higher rpm
Cool this to see that someone else is doing this type of engine too!
So i have early (2.0") journal version of 327.. It's in the machine shop atm but i'm sure i'll be getting it home soon..
I ran a blue printed .060 327 with w 2.02 heads, Crower 290° .525, Edlebrock, headers in my '55.
It was a blast...
I have a 1963 Split Window 327 cid Fuel injected 360 hp 4 speed. It has the Duntov cam, Duntov X heads. I use a PLX wide and O2 air fuel meter to adjust the fuel injection. I’ve also replaced the ignition with a Pertronix setup. Runs and drives great!
THNX-i HAVE TESTED THE ORIGINAL FUEL INJECTION ON THE DYNO
@@richardholdener1727 I heard that in your video. That is very cool! When I had the engine rebuilt, he used 9-1 pistons as I was concerned with finding premium. I worked at GM for 31 years and had the injection unit rebuilt by a GM engineer who worked for Rochester Products at their Milford Proving Grounds. He said don’t use ethanol fuel as is eats rubber, fiberglass resin, and galvanized fuel tanks. Also ethanol is very corrosive and boils away at 174 degrees, so the engine would be running lean. So I use 90 octane recreation fuel, which is 100% gasoline.
I am in the process of building the 327 large journal but my favorite small block Chevy is the small block 400
It's difficult not to go on about the virtue's of a Big Block. I raced both the small and big block in my 66 chev. Both were fun and fast.
Sweet af I’ve got an original 327 in my ol 69 Chev 3/4 ton truck thanks for sharing your badass
I never got to build a 327 for Max power but I did come close one time with a dirt modified. It was 14 to1 circle roller Cam and dart iron heads. Although it only had a 850 with a single plane intake, that 331 would scream! Never Dyno the thing, just won races.
Nothing screams like the unbelievable Super stock 283 inch motor ..
The DZ 302 is legendary and I believe if you dnyo it would match that 375 hp with the crossram system but drivability is lacking. 327 was always my favorite engine since it was very responsive to revving and had drivability. Was always a little more reliable than a 350 even though the 350 eventually became the go to crate engine.
My favorite small block right now is the 307 because it's what I have in my 1970 C15.
Bob I had a 307 in my 68 impala with a two speed power glide and let me tell you that thing was a rocket ship especially going about 25 mph and bang it in low and smash the gas and back up to drive it literally shot you to 80 mph in seconds I use to love the roll and go races back when I owned it back in 89 everybody in town called it the heavy Chevy it was ivory white and clean as a whistle and that 307 all you had to do was bump the key and it was running and oh so quiet boy were them the days for me and the little engine that could my 307.👍🙂
I love these kind of tests ! They really tell us what works and what doesn't .
Thanks for this video it was meant for me. I have a 1969 327 I am considering building..