Real simple question here for some knowledgeable Chevy folk, just to confirm my suspicion...
I was given a chevy 350 small block with casting #3970010. First thing I did was got out my digital micrometer and measured the bore @ 4.100". Is this engine history?
I read .080" is the largest diameter one can bore a cylinder.
It would depend on core shift and whether the block was sonic tested before boring but regardless, at .100 over, it's on shaky ground and I would'nt trust it.
Thanks guys!
Guess I got free scrap, heh. Worth a couple dollars though, but won't even make a dent in those solid roller lifters I saw from comp cams. $937, jeez man.
Wow. Make sure that measurement you're coming up with is spot on. That's an incredible overbore, and i'm pretty sure you're doomed for failure at this point with that block, sorry. That's more of an over bore than I've ever seen. I've seen SBC 350s that have failed primarily because they retained an 0.080 overbore.
Can you take a picture with your micrometer in place? It's not that i don't believe you, i just want to see this.
That's cool stuff, good for over 15k rpms with no valve float. :drool:
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