Having talked with Kauffman several times before ordering my heads. There isn't anything to be gained by going to larger valves in a 350 bore size on a NA engine.
Does the 65cc head have an "as cast" combustion chamber? The KRE 65cc heads come "as cast" not with a CNC machined combustion chamber like the 74cc and 85cc heads. If it has a machined combustion chamber it didn’t come from KRE as 65cc head it was cut to that size like mine were.
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If it breaks. I didn't want it in the first place.
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69 GTO \ 72 FIREBIRD \ 1/2 OF A 64 GTO \ 70 JAVELIN \ 52 FORD PU \ 51 GMC PU \ 29 FORD PU \ 85 ALFA ROMEO SPYDER \ A HANDFUL OF ODD DUCATI'S \ 88 S10 LT1 BLAZER & MY DAILY DRIVER 67 SUBURBAN.
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