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Re: 307 Specs?
I personally like 307's a friend of mine had one in a vega that was just plain mind boggleing. Best thing to do is find you a set of vortec heads 10239906 casting# and get an intake and carb to go with the heads and a mid range cam. Comp cams 270 or 280. This will put it about 325-350HP depending on how new your bottom end is. Super Chevy had an article on this some time ago if you do some research you should be able to find it. Im doing this to mine right now.
.060 over pistons
Same heads
280 comp cam.
Chevy vortec intake 4bbl and holley carb.
Nothing special but will make decent power for a few hundred bucks.
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