Bad News Buick. Is our 401 Nailhead too far gone? | Redline Update #4
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- Опубликовано: 5 окт 2024
- Off to the machine shop we go! Thirlby Machine Shop in Traverse City, MI, cleaned up our Buick Nailhead block and heads. What's going on under all that gunk and grime? Davin investigates... and the outlook isn't pretty.
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It’s great to see that not everything is sunshine and roses in the RUclips rebuild world. Thanks for posting the crap that those of us in the real world often face.
I think your engine needs a new engine.
Nah, just a new block and heads
@@1957powerwagon That pretty much is a new engine...
gosportjamie that’s the joke...
@@1957powerwagon lol
@@Trevor274 I thought it was a joke, but sometimes, especially on here, you can't be sure...
Davin does a great job. His personality, knowledge, and easy demeanor, makes this channel a lot better to watch. Thanks for the great job you all do at Hagerty.
In 1960 I was 15 and bought my first chevrolet v8. it was a 56 265 that had been bored 1/8 of an inch and fit with 283 pistons. IF, the builder had fit the wrist pins correctly it would not have self destructed. Cost me 400 bucks in 1960(a lot of money then). I got screwed and learned a lot. have owned lots of chevys since and now own an LQ4 6L silverado 2500 ALL cast iron engine. great vehicle and will keep it forever.
I rebuld 1920's vintage engines, and I can assure you those seats are almost pristine compared to some of the gems I get to play with.
Wow never knew how much precision machining was put into rebuilding a block. Your videos have definitely given me the inside nature on this fine work
Take notes fellas. This is the reality of rebuilding a classic engine. Thank you Davin and the RedLine Team for keeping it real!
Wow. Talk about heart breaking. At least you guys are honest and show the whole process instead of just saying we got a new engine and heads. Can you guys explain a bit more about sleeves and how they are held in place, are they just for function or can they handle hp past stock, and rough cost of sleeves.
I love this series! I’m not capable of building an engine but big muscle car fan and really like watching guys who know what they’re doing bring one back. Thanks a lot guys!!
It's amazing to me how bad some engines can get . I will be rebuilding a 1950 V8 Flathead ford soon . Unloaded it off of a truck this morning . It's been sitting since 1974 . I put a pull handle on it and it actually turned all the way through . Flatheads can be a challenge to tear down . Working on a 1917 American LeFrance 900c.i.d. engine too . Got about 25 or more complete rebuilds in my shop right now .
Nailheads are a goo solid platform. Strong architecture. We've saved plenty of them old motors. The next step on block work for the shop I used to work at would be starting to bore the worst cylinder to see if the porosity would or wouldn't allow for sleeving. It's expensive but worth it for some guys. Kinda like what you guys did with the heads and checking to see if you were able to install seats.
Most of the times as well we were able to find a bigger valve and seat combination to work for the application that's satisfactory for the customers use. Not just to get by and get it out the door, but reliably and roadworthiness
I can't trust anyone on April first.
Vegaspsycho I do to
,6v
Jcv888
new block new heads...YOU RE ALMOST THERE!! new everything...lol!!
love these videos. master craftsmen at work. good sensible engineering without all the drama. brilliant stuff gents.
Your determination and effort are considerable. I'm really liking these incremental updates and analyses, it's all very interesting. Keep them coming and best of luck with it, thanks for sharing.
Love the nailhead stuff, when I was a kid my dad had a 32 5 window Ford Coupe that had a 401 nailhead in it with two fours and a dynaflow transmission.
As a machinist for over 20 years in a different than automotive industry, thank you for showing more details about the shop. Very interesting.
Good day to post a video about a 401 on 4/01.
Really enjoying the ongoing saga of the 401 Nailhead. Those trashed heads would make good boat anchors.
It will make a nice coffetable no?
Thanks for the vids, cheers!
With the fact that this block seems to be free of cracks I do wonder if that makes it worth going to the expense and trouble of using sleeves in all 8 pots, that's a known amount of money whereas you don't know how many blocks you'll need to chase up and buy to get one that's free of cracks and suitable for your intentions for this engine. Sometimes the expensive solution works out cheaper in the end...
Would be fun to just build that one with the sketchy parts and see how it does on the Dyno / when it lets go. Not the usual direction nor purpose of these builds but would be entertaining.
May be good enough for an engine stand queen?
I had a 425 wildcat in my 63 La Sabier backed up by a hydromatic 2 speed !! I loved that car! Sooo much fun was had in that car!
Hydramatic has 4 speeds. DynaFlow has 2 speeds.
I guess it depends what your going to do with it. If just a 8.5 to one compression driver so what the cylinders are not a 100 percent. Or go max bore with thinner cylinders and use block cement or don’t run the rpm high.
"we are going to take some experts advice"
This is the most impressive line in whole video.
This is the best content you guys make, I cant wait for the 60 + minute summary of the time lapse
Like the series and the issues here make it more interesting. Wonder if you would ever do a y-block ford
About 5 years ago, I rebuilt a 1966 Riviera engine. Body had over 300k miles!!! Not sure if engine was number match. Previous owner bought it new and had the engine done once before.
Either way, was a difficult build. Auto Machine, here in Orlando, help me salvage it. Went .030” over and all hardened seats, for the heads. Thank God, for an old timer Nailhead enthusiast, in California that helped me through some of the rough stuff. Not for the faint of heart ❤️😎🏆🏁
So your building a nailhead and you have a crank and rods
401 Buick Nailhead boat anchor for sale, at scrap metal price.
I'll take it, $20.
It would make a good glass-top engine block coffee table for a man cave.
New heads, new block, new pistons.... Are you familiar with the Paradox of Theseus's ship?
But at this rate, he's almost at the end of the ship being changed over. There's nothing left haha
I had a bicycle once that I did that to over about ten years. I could literally have rebuilt the original bicycle and still had spare parts left over. Everything got replaced.
Personally I'd fix what they have
Grandpa's Axe ? Three shafts four heads still cuts as grandpa left it ?
Have a 401 and trans pulled it back in the 80's ran good when pulled had 60,000 miles. In upstate NY $800 takes it.
I got one of this in my 1959 Buick Electra..Mine was low miles..so it was in good condition. I made a 3 angel valvejob, bowljob and polished the chambers. I also did matz the intake and ex manifold..and some other stuff..now it runs so good..I dont know how much extra hp my job gave the engine but it feels stronger (",)
really enjoy these types of vids showing the restoration process
Great to see that Serdi in action. I used to operate one about 27 yrs ago.
Had similar fears when building my 401, so I bought two engines, just in case I needed one good block. Luck of the draw sometimes. Also, cutting Nailhead valves are a no go, there just isn't enough material in a stock head.
Great series. I like how you’re doing a 401.
Go for the big dog ...... 425 !!! Had a 65 wildcat with one What a monster!!!
Sure, it would be better to have a 425, but how much more does it cost to get a 425 versus and 401?
@@skylinefever nail heads aren't in high demand ...... You never know what you'll find if ya just ask. Your right 401s are more plentiful and I wouldn't blow the whole budget on a 425. Now if they can find the dual 4bb manifold and carbs .......
Jack up the radiator cap up and stick a differant/new engine under it!
I never herd of a Buick Nail Head, But I bought a 1970 Olds Vista Cruiser off of my Dad with a 455 cu in in the back "trunk". Finally after wating forever (almost), on Parts, my machine shop and former circle track/Oldsmobile Race enthusiast put it together for me cuz he felt bad. And on days I was pissed off after work I would mash the gas pedal to the floor and it seemed possessed with a desire to cheer my ass up! A Carter square bore I think was the only carb I could get right outta the box tuned for the 455. I had to figure out the camshaft was positioned on the other side of the distributor hole from a Chevrolet, even tho the firing order was the same. ( Plug wires needed to be started at the #1 tower on the Distributor, then go around COUNTER Clockwise around the cap.) I knew I could not beat Wayne Campbell's comment. But sometimes the youtube commentors come up with some really good reading. Keep it up guys gearheads like this stuff.
Serdi 60/100 was a revelation to us head machinists when they came onto the market. My all time favourite machine.
It’s a bummer, but we know the risks on these old projects. Keep wrenching!
I had the same heartbreak when i noticed water seaping from the casting line on the side of my factory heads on my 70 chevy. 700$ later it had a new big cam and some threaded milled and ported 305 ho heads after finding 20 sets of them and no 2.02 valve factory heads . gave up some flow but made up for it with compression and cam.😂 it made enough torque to just smoke a clutch on the 2-3 shift in the sand.
WOW... I thought that this kind of damage is repairable. I have much to learn. Thx for video.
Great look into the workings of an engine machine shop, would like to see more.
Go out and get a bigger nailhead, was 425 the biggest...
I think most folks would've given up by now! I look forward to seeing the progress on this project. Good luck!
I like this style of video, updates. Sad to see you having such bad luck both with the block and the heads!
Sitting on the edge of my seat to see where this goes.
New block, new pistons, new head, new water and oil pump, new starter and keep the rocker covers.
You can still tell people it is the original engine.
Same thing happened to me with a 351 Cleveland block out of a mustang. First block, too rusty. 2nd block, found a nail in the cylinder wall while boring the block cylinders. Freakin night mare!
Ive really enjoyed many of these videos, I only started watching after I started looking for engine teardown time lapse videos, because Im making a video too, and thought it would be fun to do stop motion with it. You guys have some really awesome videos, and Ive watch many of them. I also really like your commentary videos about the time lapse ones, those are pretty interesting.
So it will still be the same engine, just with a new block and heads, pistons, valves and maybe cams? :)
Cams are almost always replaced when rebuilding an American OHV engine. However, some rare cams get reground. Technically that might mean the cam is saved.
We need more on the Nailhead build!!!
The '64 aluminum heads from the 300cu " Buick V-8 are reported to fit larger nailheads, although if you could afford it, the absolute BEST thing to do would be to "3-D replicate" the 425cu" heads in aluminum & titanium metallic-substrates, allowing more easy displacement & Hp from your/another block. Hot-rodders like the "look" of the nailhead, but if they were such great engines, GM would NOT have switched to the 455cu" Stage-I & II architecture for their dominence in the '72 & later stock-automatic classes.
the coffee table remark isn't far off. Think of a 1950's cutaway display used in a shop class or at a dealership to sell a new engine design. Chrome some of the parts (Rustoleum actually makes a nice chrome paint that looks like old chrome in need of a polish) and white paint the edges, and now you have some man-cave art that may sell on eBay to recoup some of the loss.
Loving the series so far, think you nailed it.......
"Triggers broom" comes to mind!
That rebuild would certainly “nail” ones bank account.
Wish I would have seen this 2 years ago. I got a 425 and might have been able to make a deal with you.
That machine is insane, great job
Sleeve all eight and new seats all around, seems crazy but otherwise you arent resurrecting a basket case, your just building a parts engine. Go for it, it's only money, and it's gonna hurt regardless, mind as well have a fun story.
Great video!!! Great editing!! Good humour!!
Very nice machine shop, good equipment.
Old school. I love it.
Any of these old pre unleaded fuel engines need to have hardened exhaust seats installed to last, and these heads don't have enough metal in the seat area to do that, it's kinda over.
No pistons, bad block, and bad heads UMMMMM I'm not a rocket scientist but it sounds like you have a cam, crank, and rods left :(
U know the humps R worn flat on that cam!!
I’m a NailHead fan since 1968 when I turned 16 & started driving my folks’65 Skylark GS 2dr Coup 401/300 2spd w/2,800 Rpm Stall Convertor. I would “ power brake “ at full throttle, release my brake foot & shift out of Low to 2nd at 85 mph & sail on up too 130ish ( speedo bouncing back to 60 & then bury beyond 120 mark. Power braking 0-60mph consistently 4.0 ish seconds. This car beat everything I raced 9:43 9:43 9:43 including a’68 Chevelle built 327, & a ‘65 GTO 389 Tri Power 4spd . Anyway, my cyl head machinist hardseated both my intake’s & exhaust’s in my ‘65 401 heads but he “ machined the exhaust seats to half their height to fit without cutting too deep in the port. He’s passed away 4 yrs ago but my heads have had no issues running at all !!! 😎
Looks s you got a great boat anchor.
Hell yeah! U guys do some amazing work. Keep it up!
I enjoy watching these videos. Keep up the good work👍
I have heard of using nickel spray welding on damaged integral iron valve seats instead of pressing in a hardened seat. Could this be done here?
Anyway, good luck finding some cores that are rebuildable. I have heard that when dealing with older cars, people often have to inspect 5 or 6 junk cores before they find a usable one.
There is no more material in there ! Decades of tin worms doing their job. Nah, this lump is dead.
Sleeve every hole! Then, no torque hone...JB Weld for those valve seats. The interference fit holds them in, anyway.
I used jb weld instead of head gaskets.
I use JB Weld for head bolts.
@@eejif.Head gaskets too?
nice resarch, now the second alternative!!
Goodluck on the search!
I've seen engine blocks be sleeved before
I rebuilt a few nailheads and would have gotten whole diff motor after seeing the heads; seeing the heads before motor goes in any tahk--already good-by motor. maybe I'm forgetting that this is 2019, but parts cars are out there..
Beautiful work to try and resuscitate a tired rusty engine.
Loving this build series !!!
At least they had a go at the heads so no doubt for us viewers. Shame that block is crack free but wants 6 sleeves. That’s the way it goes
Sleeve it! If it hasn't got the other common issues, just bad bores, it's a perfect candidate for sleeving
Who do I have to talk to, to get you guys to do a red line rebuild on my engine! You guys do such great work especially with the Chrysler Firepower!
Heads are fine, just weld the new seats in. Block should be ok to. Just cut it till its smooth then fill it up about a inch from the top with hydro cement so it keeps it shape. What could possibly go wrong?
My first hunch on another video was correct, unfortunately. At this point, you'd be much better off sourcing another complete engine out of a junkyard somewhere (preferably in the south-western part of the US where the precipitation isn't such a big factor). Anything you find in the 'rust-belt' is going to be exactly that.😜 Even with shipping costs, you'd probably be ahead of the game to get something usable from out in this area of the country.😉
dam that sucks guys... but thats how she goes when you are dealing with old iron! mabey some newer aluminium heads for the old girl?
It's not terribly surprising, seeing the state that engine was in when you pounded it apart. Is the crank any good? If it's bad, I'd look for a whole different engine core.
That block seems very rusty. And may be corroded out. Sonic testing measures rust. Been there done that. Though those old blocks have a lot thicker walls to start with unlike most 70s and later engines. Some of those strike water at .030.
And yes those exhaust seats are stuffed. And those old soft iron blocks crack when you hammer inserts into them. Seen that time after time. Problem is getting uncorroded 60 y/0 blocks and heads
Love the video like always!
This week on Redline coffee table builds!
Sure would be too bad if you have to discard it.
Watching every episode!
Always super interesting. I learned a lot.
Congratulations on 700k subscribers
Congratulation 👍 brother.
Its to late, but I have a set of 401 heads, have a complete 425 too if you ever want to do another one.
Are you sure it wasn’t a boat anchor to start with?
I'll take that old block. I could use some more garage art to hang up.
Excellent and informative video. However, if you profile the camera, please wear a collar mic. a little low volume at times. Looking forward to the next video.
With the heads I would try to find a better set where you will have more stock parts to work with.
You didn't use a ridge reamer before trying to remove pistons? I always have when a block had a ridge in the cylinders.
It's surprising to me that those blocks are prone to cracks around the starter corner. The toasted heads- well, there are aftermarket ones, aren't there?
There is no aftermarket heads for the Nailhead and you should never put harder seats in a Nailhead!!!
Great video!
Bruno - Thank you for watching!