What can cause this three times on the same cly two new engines

 

 

Details on the setup would be helpful. It could be a fuel distribution issue. Mismatched set of injectors. Dirty injectors and other possibilities.

 

My guess is that the same people are working on it each time and didn't figure it out the first or second time.

That's all I can really say based on the info you gave.

Post details, it helps a ton since my crystal ball is currently down for repair.

When the first two failed, what did you find had actually failed or came apart?

Best guess with no info included: bad injector used on same cylinder each time

 

Without knowing what you mean by new engine my first guess would be a warped head being moved from block to block. Seems like many people consider a a shortblock and an engine as the same thing lately. If it's an entirely new crate motor then it's really just 1 or 2 things that could be the issue. Those would be improperly built or improperly installed.

 

Bad injector. bad coil. thats all i got.

 

More details needed. I have exploded more engines than most on here after believing the hype that u can make 1k hp on stock 5.3s lol sure it can be done but is it the normal no not at all I have a mountain of blocks rods and cranks then I bought good rings pistons and rods and voila holds the boost like pro