A 5 or 5A early head made to fit should do that.They only reason im looking for a different head is to bump up the compression a hair
8.5 in anything NA is unacceptable!!!!!!!!!
A 5 or 5A early head made to fit should do that.
That's cuz BB. I had mine cut to 69cc still...Also, not sure if the stock belt system will work with them
77cc chambers to............BLAH
That is if you are lucky, might be more like 7.5 to 1. Procomp heads not only need milled but also need screw in studs, guide plates and roller tip rocker arms at minimum. I wish they would cast two chamber sizes. They flow about 240/180 and have a better spark plug position. The exhaust port is smaller, raising the floor eliminated a dead spot and increased flow.They only reason im looking for a different head is to bump up the compression a hair
8.5 in anything NA is unacceptable!!!!!!!!!
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