One wrong piston?!? Chevy Stovebolt 216 engine gets put back together | Redline Update #27

Davin is on the final push to get our 1950 Chevrolet Stovebolt 216 inline-6 engine back together. This one goes out to those of you asking for longer episodes! Davin gets into some nitty gritty details on the build including checking bearings for oil clearance, gapping rings, assembling pistons, setting valve lash, and more. Fortunately, we only hit one major snag: one of the 6 cast iron pistons was the wrong size...... Oh shizzlesticks!
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[@chrisdenisewood3384]

I'm in my mid 60s, love to see these rebuilds, I've done lots of them. Your all about the little details, I'm not, saying that, I've never had a failure, these old engines are tougher then you think. Well do guys, love it.

[@larryhutchens7593]

Brings back a lot of memories. My first engine build. Had an automotive machinist give tech advisement. Yes pistons are cast iron & they fit tight because they expand at the same rate as the block. On the valve locks: use a better type of spring compressor & installing them is way easier. The type with 2 fingers to depress the spring will make things easier. Oil scraper ring- typical for the day. Fuel pump- again typical for the day. Rod & main bearings: the 216 & early 235 were all babbit beaters & you used rod bearing inserts?? You need to explain that. You didn't explain the connecting rod oil cups. Those little sheet metal cups that capture some oil at each revolution of the crankshaft. There are no oil holes drilled in the crankshaft so that is the only way that the rod bearings get oil. Also there was a template that you could bolt onto the oil pan, apply oil pressure to the oil line in the pan & check the spray pattern to the con rod from the little nozzles in the oil pan. The large freeze plug at the rear of the engine: smack it in the center w/ the ball pein hammer to properly expand it into the bore of the block. Other than all that you did OK, for a beginner. Been building engines all my adult life, retired from American after building aircraft engines for 20 years.

[@wilburfinnigan2142]

Larryhutchens They used a converted babbit rod to accept the insert bearings and yes they get oild via the dipper, the whole weak point of the engine, I never considered they were worth rebuilding, I swapped the whole 216 for a later 235 with full pressure oil !!!

[@tim9s]

Thank you for using high quality cameras and not the lousy cell phone videos that most use.

[@tradfave9474]

I like how ever one of these Redline Rebuilds is a different engine.

[@savneetsinghrairai6823]

The thing I love about these old engines are they are so simple so practicle as fuel pump with glass wind a breze to check flow simple mechncal distributor single coil...a single carburator...needs so simple tools to repair ....so relaxing and satisfying to work..

[@freakin635]

I wish I could apprentice with an engine builder with your level of experience with regard to these old engines. They may not be the powerhouses of today but they certainly have a place and use even now. Thanks to Hagerty for keeping this all rolling. Nice job ladies and gentlemen

[@daviddntait]

Been following your videos since the beginning. Learned almost as much from y'all as I did in my 20 years as an Auto mechanic/Jet engine tech! Respect from way down in Hawaii!

[@eribertoacedo9505]

808 Tait yeah bra I have islanders in my family when we get together we have a lot of fun and a lot of good food just thought I'd mention that from Ramona California🕶"

[@rickycollins4633]

You say it's boring but I'm pretty sure we're all here to see engines being built. I like seeing all the process and I've been building them for 40 years. It still doesn't bore me.

[@74millwright]

Old motor manuals had a template for you to make a cardboard "target" for adjusting the oil tubes in the pan. The oil tubes sprayed oil on the wrist pins to lube the bushings in the pistons. You had to use a pressure reducing valve set at 15 psi coupled to the oil manifold in the pan and attach a water hose. You then bent each of six tubes from the manifold so they would squirt water through holes in the Target. If you don't do this you get piston slap in 20 or 30 K miles from worn piston bushings.

[@mikeguthrie5432]

Oh boy! I just don't know how many of those old "stove bolts" I've worked on in my day. What I love about 'em is their relative simplicity. Only bad thing was the babbitt bearings they used to use. Otherwise they were pretty bullet proof. IF ya didn't want a racer. Love your video. Brings back a lot of memories. Thanks.

[@copisetic1104]

I rebuilt a 216 six in a 52 Chevy in 1966 in automotive shop. Mine was a Babbitt bearing engine not a insert bearing, had a motor manual for that year. I was awarded a scholarship in automotive engineering to Weber State University because of it. I was the only guy that had ever rebuilt an engine and transmission sense the school had opened in the early sixties. The shop teacher was so impressed that a 17 year old would take his only transportation and tear it down and walk to school for a few months that he personally petitioned the university for me. My social life suffered but I had a blast with that old car. Best of memories.

[@terrybriley1887]

Wish I could find a video replacing Babbit rods with inserts.

[@marcryvon]

That those sheet metal panels are still available is amazing !! For a special, then expensive car, or 60"'s Mustangs, I would understand, but the low demand for such panels for a 70 year old, common farm workhorse, that's impressive !! Really !

[@evervigilant]

There is beauty in the simplicity of these engines. I love how they look all freshened up.

[@paulbaluch439]

Thank you so much for doing this video it took me right back to the days when I was working right next to dad on his vehicles I love those air cleaners back then they were very cool very interesting on how things were engineered back then and how they are today great job building net engine

[@georgewarmowski6881]

I have always been fond of these Motors. They run so smooth and really are pretty strong. Back when I was a kid you could pick an old Chevy on the cheap with one of these in it, everybody was looking for the V8's. One of these with a Three on the Tree could really cook!

[@VinnyMartello]

Back in the 50's my grandpa has a 35 Chevy 3 window coupe and he had a 235 that was his race motor. I love the stories surrounding these old hunks of American Iron.

[@bhumiriady]

Good video as always! Nice to see the Stovebolt taking shape. Looking forward to the Redline Rebuild of this amazing engine.

[@jrburger1987]

Almost everyday my boss/mechanic tells me what you watching I said Hagerty.. Who that? a bad ass mechanic that knows what he doing...now he told me the other day he watched your videos and was quite impressed with your work.

[@streetstock72]

I love coming in from my shop doing my 68 GMC build and have a couple adult beverages and watch you guys getting it done.👍

[@eribertoacedo9505]

Paul MacDonald yes sir cup of cold wins does the trick you retain more knowledge I find it works well.🕶"

[@whiplashmachine]

@Paul Macdonald I recognized your picture. Greetings from Langley🍻

[@iare19]

Love your videos. Don't know much about engines but enjoy watching these!

[@Hagerty]

We hope you're learning a bit along the way!

[@garthhowe297]

It is fascinating watching the assembly of the engine!

[@parkwayconcepts8758]

This is my favorite video so far! Thank you for your efforts, you make me feel 16 again. I wanted to be a mechanic when I was younger and i still enjoy learning these things.

[@savneetsinghrairai6823]

as I remember from my childhood when opening engine to rebuild or just to change rings .or to clean it ...each piston connecting rod bearings crankbering were marked to their respective clynder ....same in case of head valves ...springs..shims ...exlent aunthetic work

[@jsgarzon100]

I love the color on the engine. It looks really awesome.

[@joedonatto9237]

Good to see a Car Video where it’s all about The complete process in which it takes to do projects like this. All of that little information most people overlook or don’t think it’s worth showing yet everything you do you try to explain and give information about the pros and cons. Can’t wait to hear that Engine Start especially after the brake in is done ✅ . Then you can give it a little Throttle..

[@marcsanchez1044]

A 30 minute video, yes siiiiiiir

[@Hagerty]

We aim to please.

[@TheBadBone23]

Hell yeah...my line manager is not happy :)) I watched it from start to finish

[@MrTheHillfolk]

Vids like this have replaced my tv. For a couple years now.

[@kevinclossguitar]

Wow. I almost know how internal combustion engines work now! These videos are making me want to give up music and become an auto mechanic! I wonder how many people originally manufactured and assembled this motor and how much each person knew about how the whole engine worked. Amazing job!

[@haydenwilhelm3882]

Probably one of the most detailed videos I've seen anywhere of one of these old motors. I'm currently working on a '37 Chevy Master which has essentially the exact same engine and having this video makes everything so much more clear. Thanks for the great video y'all! By the way, love the shop Oster oven. I have the same one that does all kinds of heating for me when I need hot parts.

[@paulstan9828]

So cool watching these rebuild videos. I wish I had that kind of knowledge and talent.

[@savneetsinghrairai6823]

So much auntheic so antiquated i love it n lock it I will steel it...wow original piston n rings in original paper pack ...fuel pump that is alike i rebuild some years ago ....best part is iron priming as I have seen that opening old engines ...some real original work seen after a long long time ...thank u sir....👍🏽👍🏽👍🏽😁 .

[@joeschlotthauer840]

3:30, "STICKTION" I like it, and going to steal it....

[@kyleforeman4543]

New word yea

[@chrisfreemesser]

@@kyleforeman4543 Not a new word...been using it for decades in the IT industry to describe hard drives that won't spin up due to internal friction

[@bikemike6953]

Also used often in the suspension industry

[@88SC]

I think the official word is “adhesion”, but only “stiction” will work for me anymore.

[@95roadie]

Used all the time in the diesel world

[@CreatorCade]

Man I just love the look of those old fuel pumps with the glass bowl. You can see for yourself the quality of your gas.

[@warrenpuckett4203]

The 1950s and 60s gasoline did not have alcohol added like it is now. I remember my '59 Plymouth sometimes it would sputter and you would check the filter bowl for water. If you saw some just take it loose. Dump the gas and tap the screen to knock the sediment off. Then put it back together.

[@ClaudioVargas1271]

Amazing and something so simple an engine can last for a longgg time ..thank you for something so great

[@connorbesson488]

Yes long video so good, thanks for great content keep it up guys. Love hearing the knowledge that this channel gives

[@davidhutchison3343]

That gold paint was amazing. Never seen it before. Looks great once it's heated to grey.

[@guyva_unito_sree3]

charming old engines are fun to watch you rebuild

[@dcrahn]

I do the grease trick also, and I also like to give the tip of the valve stem a light rap with a plastic hammer to verify the keepers are well seated.

[@gtoger]

I like that not EVERY build has to be maximum horsepower. Sometimes it's cool just to go authentic.

[@gasfiltered]

While I don't mind authentic, it does bother me that there are so many missed opportunities to improve performance and efficiency that are completely invisible and don't even require new parts or include parts that should be changed if it's a driver. Because there is nothing worse than a garage queen. All the ports should have been cleaned up and matched. All the oil passages and drainbacks deburred. There's no legit reason to keep it 6v, there are then completely invisible 12v electronic ignitions which would fit inside the cap and never leave you trying to find a condenser screw in the gravel on the roadside at night. A Rochester 2bbl would have so much better driveability and would look just fine to 99.9% of people. He said it's a driver, not a museum piece, so it should be nice to drive; these aren't Max hp super hot rod things, just easy stuff that doesn't add much cost or time to the build, but makes every minute driving it a ton better. It bothers me more than it should that none of this stuff was done while they were in there, why bother to rebuild it if you aren't going to make it better.

[@Motorat88]

@@gasfiltered I agree 100%!

[@wymple09]

@@gasfiltered Because not everyone is enamored with performance upgrades. I grew up with these engines, we cared about fuel mileage & reliability. Performance? Get a bigger engine. Get a crate engine, whatever. I have a mid 70s 292 in my 81 squarebody & could care less about the upgrades. I have a 327 on the stand if I were interested. Sometimes we just like old school cool.

[@skylinefever]

@@gasfiltered I also agree with doing the mods you mentioned. One thing I didn't like about this build was the use of plain cast iron piston rings. They just aren't as good as moly rings., and the price for moly rings isn't that much higher. Having a stock cam may be great, but some modern cams have more "Area under the curve" which means they get more HP, more usable RPM, and still have good idle and vacuum. I don't know what kind of oil filtration these engines came with, but everything should have a full flow system with a modern filter. I can't think of many things that extend classic engine life as much as a modern full flow filtration setup. If the car won't look right with a spin on filter, there are companies that make classic looking canisters that accept modern filter media.

[@BioluminescenceOfTheSpirit]

@@gasfiltered I built a 6 volt electronic ignition just to annoy people who like 12 volt. No other reason. Just to make '12 volt is a must' crowd cry. Edit: Programmable too. For extra tears for the masses.

[@lookeywho1287]

The "flapper valve" on the exhaust manifold is called the heat riser.

[@jmartin1203]

Oh man!! keep these vids coming!!!

[@dirtroadsailing6418]

Nice. I like to see a rebuild of an old school engine instead of someone that just drops in a crate motor. Lets see more old school engine rebuilds.

[@andrewmurphy8724]

I recently got a crate motor for my truck. Pretty much had to after the one that was in it decided to send a rod through the side. Going from a lame 4.7l dodge motor to a 5.7 l hemi. Got a few parts to replace on my truck so the motor will work properly.

[@wilburfinnigan2142]

Dirt Road that old 216 with the dipper oil system is NOT worth the effort and cost to rebuild !!! Should have put a later 235 in with the full pressure oil system !!!

[@andrewmurphy8724]

@Lassi Kinnunen When did I say anything about the video or what they were doing?? I did not. All I said is what I had to do to get my truck back running that was it. Go take your own advice and stop harassing others.

[@robert3302]

Yes! I am so sick of LS swaps. Keep it honest.

[@MrTheHillfolk]

Even cooler was the use of all those nos parts.

[@danielyazbek9910]

Beautiful engine restoration 😍

[@tomsmith6601]

Good tip about using grease to hold in the keepers. I will have to remember that next time.

[@MrJerryKramer]

Fantastic video with whole bunch of educational information. Thank you.

[@DonziGT230]

Right off the start I could see that one of the pistons looked different than the rest, good sign to check them right away.

[@sonyhk3824]

Looking forward lovely video. Cheers Davin and all other guys

[@gamblerbang4490]

Beautiful love it thanks for taking the time :)

[@essietangle9931]

My, the engine is beautiful and I do remember the glass part of the carburetor (mainly on fords trying to cool down a vapor lock) oh the hot days of summer in the south...a very long time ago..

[@bacocobear759]

Finally a video longer than 3 mins 🙌🏾

[@Hanzyscure]

This ain't Motor Trend!

[@fordfairlane662dr]

Another great episode

[@armandoluismelchor9462]

!Great work as always!, interesting, professional and yet fun.... I would like you to go further on explaining about piston rods static and dynamic balancing. Again, GREAT JOB!

[@NoOne-ze2lg]

As well shot, and good as the time-lapse videos are, I really appreciate longer videos like this one. Get to learn more about the rebuilding process on engines you do not see a lot of people rebuilding. Subbed to to the channel, hoping I will get to see more videos in this format.

[@BernPisarcikJr]

Thank you for the keeper and grease tip. 👍

[@robgrant9583]

That engine is beautiful!

[@germanezequielsanchez8367]

Da gusto ver como trabaja en los motores antiguos y lo deja como salido de fabrica !

[@Finn-McCool]

Hey! I was just watching the VW and the notification hit! I'll beg you again for a Corvair build. I've always heard that if you have a Corsa engine that you can mill the heads down and mount six Weber single barrel carbs straight on! That would be something to see. ❗

[@thequesomanishere]

I wanna do custom heads on my Corvair too

[@LawrenceRoss1906]

I have a '66 Corsa and I agree...

[@Finn-McCool]

@JAG One carb per cylinder has been standard practice for as long as there has been cylinders.

[@Finn-McCool]

@JAG There is horsepower in the aspiration principle.

[@comajoebuck999]

JAG More’s law....

[@chrismartin6544]

Love that fuel pump with the glass so you can inspect the filter and see the gas color if it’s been sitting for a bit

[@larryklusza5773]

As always, a great video - nice work! Given that the crank is not pressurized, it would have been nice for you to spend a few minutes explaining how the bottom end does get lubricated. I know that it's an adventure to be sure. There are some old GM period films on KZbin that show this in action, but they are hard to find.

[@fancybobbybob]

Dang, I wish I knew a 10th of what he knows, thanks so much for posting!

[@sgtjonmcc]

Just an Idea about centering those wrist pins in the piston, you could possibly hold the piston inna wood clamp. Make the pin flush with one edge of the piston, measure the depth with a depth gauge, divide the measurement by half and set the pin at that half measure. Just an idea.

[@somerandomguy3868]

Nice build, it's good to see someone take the time and do it right, looking forward to seeing as well as hearing it run, witch side does the connecting rod wrist pin hardware face the manifolds or pushrods

[@daledavies2334]

216 were all splash lubed conrod bearings. The oil pump supplied the main, camshaft journals and rocker arms. The conrods had dippers with a hole and oil passage to the conrod bearings. The oil pan had troughs the dippers ran in that collected oil. On this assembly I see no dippers so a drilled crankshaft is required. A '54 or later 235 crankshaft and oil pump could be used. Of note, the early 216's only had 3 main bearings so cranks are not interchangeable. The 235 crank has a longer stroke.

[@davidsummers2616]

i love the color you are using on the engine

[@rs2143]

I use the blue grease alot in the hydraulic shop to for (sticktion) to .I am pa dutch to. And i love old stock chevy and ford trucks in the 40's

[@Nighthawk75]

Cool to see the old Stove Bolt rebuilt and being used.

[@Kickinpony66]

The "Flapper" on the Exhaust/Intake helped to Atomize the Fuel.

[@AspearMotorSports]

I've got a Hastings ring box, keeping it since it's my last name. Didnt even know Hastings rings existed until the box shows up

[@eribertoacedo9505]

AspearRanch are use those rings on my pistons in a performance engine we're great🕶"

[@skylinefever]

Many replacement rings sold at Autozone are Hastings. I would often seep people use them when they do an in frame re-ring job. They seem to do the job every time. I used to have a Saturn, and those cars would have problems with the factory oil control ring and piston ring land. The fix was to take all pistons out, drill more holes in the oil ring groove, and fit whatever major brand of piston ring they could get at the local parts store. If they didn't have Hastings, they probably had Sealed Power or Mahle/Clevite. Those worked equally well. Often I see these jobs fail because the owner won't measure the bore taper and out of round. No piston ring can compensate for an engine that is out of specification, requiring an overbore and oversize pistons. This is why you have to be extremely cautious among cheap used cars that say "Recent engine rebuild." They probably mean that they fit new standard rings and bearings in an engine that needs hundreds or thousands of dollars in machining and other new parts.

[@georgeparker9977]

Also you can rub the keepers on a magnet. works well.

[@eribertoacedo9505]

George Parker yes sir I use a magnet myself when working on a engine don't want to drop one inside I put rags everywhere and keep an eye on the screws nuts and washers.

[@danw1955]

Interesting... yours actually has inserts on the big end of the rods. My '47 had poured babbit, and you had to clearance the bearings with shims under each side of the rod cap, Evidently it *IS* still a 'dipper engine, since I saw the dipper tray in the oil pan in the other video. Just an observation.😉

[@ono147]

had to have converted it. all 216's had babbitt..

[@NobodyMuzik]

love your work!

[@EVILDR235]

Do not add bolts to the end of the exhaust manifold. If you add bolts it can cause the exhaust manifold to crack. The shiny side of the exhaust manifold gasket needs to face the exhaust manifold so the manifold can grow length wise when it gets hot. I spent 40 years learning about, repairing, improving and hot rodding pre 1963 Chevy six cylinder engines.

[@angelhelp6819]

Is very excellent what you do video I can't wait to get the whole truck 👍😁

[@heathersanborn4914]

You need to save the packaging, original stock that is awesome , oh yeah Davin 😘

[@Hagerty]

We did! Too cool to throw away!

[@johnpowell5433]

I was going to say send me one of those ring envelopes to add to my packaging collection instead of throwing them out but it looks like you've taken steps to save them. Great graphics!

[@skylinefever]

Maybe when you show photos of your shop, you can show a variety of old school packages.

[@patmclean1951]

Super clean looking engine. Nice effort!

[@circeo12]

Love those NOS rings (and the packaging!)

[@markjohnson9495]

Did I miss something? Babbitt, or standard bearings used with milled-out rods? All the sudden at 19:30 we're all buttoned up talking about a silly wrong piston with no talk about the rod bearings, or lack of them? Lol TV.

[@19c1071]

Thanks Davin , great video and very informative , I enjoy and learn at the same time !

[@rickycollins4633]

Good old stomach hand to the rescue helped me many times.

[@Hoaxer51]

Ricky Collins, it’s hard on white t-shirts!

[@delwhylie4748]

Typically back in the day we replaced any of the line up studs with a 1 /2 in longer threaded on both end's so if there was room to place a double nut on the damn thing so it would not develop a leak later. Why, even take a chance for 50 cents worth of parts? Another thing is I would have taken the time to weighed each one of them rod and piston assembly's. And made sure they were as close as I could get them. You may think I am abit off but; 2 different times over the years I got educated. Once I ordered a set of TRW 10 to one domed aluminum piston's and a book called the Chevy Bible. It out lined how to balance a small block after the ole mechanic at the machine shop sent the pistons back to where they came from. They varied so much in weight we were shocked. The second set after matching pistons to rods we were so close we had only a tiny amount of grinding on the butts of a few rods to get them perfect. A few years later my buddy had just purchased a rebuilt short block, stock small block for his Impala he called me asked: if I would come and look at it, the damn thing shook so bad you would not believe it. We checked out ever thing, distributor , carb, harmonic balancer found nothing seemed wrong. We had even warmed it up set the lifters checked the compression all seemed good. I told him some thing is out of wack here. I told him about my ordeal with my race car so we tore that thing down just for the hell of it, I suggested lets have these pistons and rods checked to see if they are similar in weight. I know he was thinking I had lost my mind well we took the parts to that same machine shop.Those things were so far off it turned out it actually made the engine shake the entire car. My buddy at the machine shop said; he would never believe that could be possible. He matched all the lightest rods to the heaviest rods then ended up doing the same thing we did to that racing engine. It changed that engine completely that shaking was gone. I know how ridiculess this story sound's but; I was there. Just like you were saying basically never assume that 'they' did it right. It is almost like 'how is it one piston won't even fit in the hole? How about if that piston were 30 Or 60 k under size and you just slapped it in there never checking it out, how much weight would that be? It would be out of balance for sure.

[@blaisecrutchfield1667]

Where can I find Davin on social media? I want to watch more videos with him in it. He is brilliant and does an amazing job explaining whats going on and why.

[@rubenroyer9488]

Gotta love the simplicity of old school.

[@moyadapne968]

I used to hold the fuel pump lever at half travel before tightening up the screws to avoid the diaphragm kinda stressing out one way.

[@rickycollins4633]

The glass bowl being a water separator which was extremely necessary in those days.

[@Hoaxer51]

Ricky Collins, so how do you clean them out? Just get a lot of rags ready?

[@rickycollins4633]

@@Hoaxer51 Yes.

[@dougscustomcargarage3434]

You sure know your stuff love watching and learning

[@ricardohahnconcer9867]

Beautiful engine!!! Very nice job.

[@danhambrick6331]

Nicely done guys....

[@RichardMLowe]

It's a VERY BEAUTIFUL MOTOR too

[@jeffreylehn8803]

love the video , don't forget to install the cam plug .

[@eribertoacedo9505]

Little more power port the exhaust openings may help the get up and go.

[@ono147]

not at all waste of time.

[@Ken6151]

Did not see other video(s) about this engine. The original rods on the 216 had Babbit bearings and splash lube for the rods.

[@MarkMeadows90]

I love the slow and fast pitched sounds lol

[@ono147]

Needs alignment rings on the intake to head,,,,,, a must!

[@CB71SS]

I'm a diehard Chevy guy and think that the only color a Chevy engine should be is orange BUT that gray looks really good on that 6. The difference between the intake, exhaust and block look really good. I have a 57' 6400 series with a Buick 322 that I am going to paint turquoise, that's the factory color. Tough one to swallow, lol.

[@88SC]

Charlie Brown grey was the factory color those years. Not 100% sure, but I fairly certain that for a few years they painted 283s for trucks grey as well (1960s).

[@gregschultz2029]

Nice Job !!! Enjoying Your Videos !!!

[@rualert1602]

Back in the fifties when I was a kid it seemed that every car I owned crapped out in the 60 to 70 thousand mile range, from bad valves or worn rings. As times changed and reliability improved I've wondered if that difference was caused by differences in metallurgy or lubricants. I'd like to know your thoughts on that. By the way, my dad drove this exact '50 chevy. Occasionally I would bend a push rod or two. I just fixed it and didn't tell him.

[@skylinefever]

One reason piston rings weren't so great back then was because they were either plain cast iron, or because the process of chrome plating a piston ring wasn't perfected. Eventually chrome rings were perfected, then later on ductile iron was used instead of plain iron. Over time, alternatives to chrome were invented and certain forms of steel also replaced dectile iron. During that process, piston rings got narrower. Many old engines had piston compression rings of 3/32 of an inch, and in the 1960s, they were reduced to 5/64 of an inch. That is approximately 2 millimeters. Rings made of improved alloys would be made 1.5mm. The narrower the ring, the less force it applies to the cylinder bore. That is why some modern engines can be disassembled at 200,000 miles and the crosshatch on the cylinder bore is still visible. It also explains why engines can hold good compression for so long. With valves, exhaust seats were of the same cast iron as the rest of the head, and they depended on ash from leaded gasoline to keep the valve from sinking. Some engines had a hardened ring installed where the exhaust valve sits, and other engines had induction hardening performed around the exhaust valve seat and both process worked well. When rebuilding old engines, a hardened ring is installed where the exhaust valve sits. Also, I'm fairly certain that modern valves are made with material that was more expensive than the past. I don't know how many times I see stainless steel valves used as replacements for valves in old engines.

[@rualert1602]

@@skylinefever Thanks! That's more than I hoped for. Appreciate it.

[@mexicanspec]

Thank you, I learned a lot.

[@손정민-v8k]

Awesome outstanding job have a great time thanks

[@malikhammad1416]

LoL bad noise well good luck for starting up this cast iron monster

[@jet_airman]

Хорошая работа!) Когда увидел впускной и выпускной коллектор, вспомнил двигатель от ЗиЛ-157 )

[@cnyreview3632]

*Great video!*