Engine explosion

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Tore apart the engine that went bad to find out just what happened...... Well lets just say some people have horse power, I have two tiger power.
The piston blew up.
Here is a break down of a 350 5.7L Chevy. We are planning on rebuilding this to 400hp
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10 янв 2024

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Комментарии : 32

@screamingcockatoo 6 месяцев назад

Looks like detonation got that one,

@actiontovalue 6 месяцев назад

Big time, I'm amazed that it didn't do more damage

@petermoto409 6 месяцев назад

Even for disassembly you should use the proper pattern for removing head bolts.

@actiontovalue 6 месяцев назад

Can you explain further? What is the potential harm if it's not done in pattern?

@petermoto409 6 месяцев назад

@@actiontovalue I know it seems trivial but I have heard it can warp the head slightly. For me it's just a matter of habit.

@user-cx9qy7ky3w 6 месяцев назад

From the 040 on the top of the pistons and the siamesed cylinders with steam holes it's actually a 410 a 40 overbored 400 and it's probably used up if there is any damage to the cylinder walls 40 over is about the limit for a stock block 400 the cylinder walls are usually not thick enough to go past 40 over

@actiontovalue 6 месяцев назад

sure hope the walls are okay, it would be a fund build!

@jocrp6 5 месяцев назад

You did'nt hear that thing a rattlin?

@actiontovalue 5 месяцев назад

Mistakes were made.... haha. There was a rattle, but when I added oil it calmed. Live and learn I guess

@chrisanderson5880 6 месяцев назад

So a large piece brakes off doesn't contact that cylinders head but some how makes it past the valve and back into motor but in a diffract cylinder chews up the piston a little bit? If someone could show me how that can happen I'm all ears.

@actiontovalue 6 месяцев назад

You're right. for the scratches it was something else, or when they put the heads on, they didn't clean it out well.

@DenisEdwards-ls2de 5 месяцев назад

I was thinking that my self..jFK bullet..

@Tomcat71 6 месяцев назад

ZEP purple cleaner you are get at lowes and Mix it 50/50 works minty.

@actiontovalue 6 месяцев назад

I'll give that one a try

@mspazznone9688 6 месяцев назад

I was like that's a 400 sbc

@actiontovalue 6 месяцев назад

I think you're right! Even better

@petermoto409 6 месяцев назад

You should NOT hammer a screwdriver right where the intake ports are.

@actiontovalue 6 месяцев назад

What is your preferred way of loosening the intake when it's stuck on?

@petermoto409 6 месяцев назад

@@actiontovalue You can pry it, but you run the risk of making an indentation if you do it right at the intake port. I wouldn't want to risk any kind of compromising of the gasket mating surface around the ports.

@sanborob005 6 месяцев назад

That’s a 400 not a 350, good engine to build

@actiontovalue 6 месяцев назад

What makes it a 400 vs 350? I'll confirm by the numbers on Monday what it is. Are there any other ways to tell?

@waltermckinnis2297 6 месяцев назад

The steam holes between cylinders about 3/16 inch. And you have one with 3 soft plugs per side. Only the 400 small block had those. They were one per side were eliminated sometime later in the 400s life time

@jimmattingly4234 6 месяцев назад

It a 511 400 block

@user-cx9qy7ky3w 6 месяцев назад

400 had a 4 125 bore and 3 3/4 inch stroke 350 had a 4 inch bore and a 3 1/2 inch stroke with the 040 on top of the pistons it should measure 4.165 if it is a 400 and 4.030 if it is a 350

@user-cx9qy7ky3w 6 месяцев назад

@@jimmattingly4234511 was a high nickel content 400 block possibly later model 4 bolt main block