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Originally Posted by Zen31ZR
Lookin good for the most part, except the early 80s Corvetter engines had minor differences from the regular run of the mill units. I think centerbolt valve covers started in early 86, and the 85 'Vettes had aluminum heads. And as far as a 4-bolt main 350, I have never seen one and I've been in a lot of 350s. Most 5.7 and up crate engines are 4 bolt, but most street 350s are not. Near as I could remember, the caps and block could be drilled for 4 bolt, though. But generally the 2 bolt was plenty strong for most applications. Oh yeah, and the Opti-spark was driven off the cam housing. Otherwise, I'm impressed. Not too many people can cut a 5.7 history lesson down to size like that.  |
yeah i gotta agree. pretty good knowledge thrown down there. ive got a 4bolt main 350 block sitting in the back of my truck right now. dont know what year it is though. the engine i have in my truck happens to be a passenger side dipstick engine. came out of a 1984 hd app. had it built here in az and it runs like a beast.
