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Old 02-07-2020, 11:38 AM
mr67gp mr67gp is offline
Senior Chief
 
Join Date: Dec 2004
Location: Pocono Mountains, PA
Posts: 256
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Fantastic. What heads did you use? 10.75:1 and iron heads = not pump gas friendly, I would imagine?

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Jim K in PA
1967 GP HT 428
1967 GP convert 428
1957 Chieftain 4D HT