Re: 1966 327/275 cyl head cc
The only 461x heads that I have seen came off of vette engines. They all had 2.02 intakes and 1.60 exhausts. The chamber is slightly different from the 461, supplying extra clearance around the valves. Looks like it would be a huge advantage on the 275 hp engine if you replace the seats to use the smaller valves. Pete
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