Best Heads For 307 Chevy. With a.030 overbore it's 310 and will wind to the moon. A good set of heads and the normal sbc hot rod parts, your all good.
The 307 has the bore advantage over the more popular 305/5.0l engine—3.875 inches over the 305’s smaller. I put a set of #461 327 camel hump heads on my 68 novas 307 back in the day. If you don't want to dump a lot into the engine, just get a summit.
#6 · feb 20, 2006. In my research, the best pick for a built 307 is an xe262 cam. Early 601 heads came with 1.72 like the standard 283/ 307 heads.
Top 10 best heads for chevy 350 review in 2022. 10 rows table of contents. You can use 1.94 valve 350 heads on a 307 with zero problems, but you will need the 64cc chambers and flat top pistons to keep any compression.
10 23 degree chevy heads: The ones on the 307 are 64cc. On a 10:1 307 with headers/mufflers.
Built by a reputable engine builder. 316 hp and 333 ft/lbs, i think that may be a bit optimistic, but usually this program is within 10% at the worst when using flat tappet hydraulic sbc's, so you could expect about. To get the 9 to 1 comp your looking for with what i will assume is a.030 over 307 cid you need a total.
I agree w/ udharold about 210 @.050 will make that motor happy. It could make a lot of power yet be fuel efficient for the daily driver. Comparison chart for best heads for 307 chevy.
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