12-13-2020, 10:13 AM
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Ultimate Warrior
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Join Date: Feb 2004
Location: Sugar Grove IL USA
Posts: 6,353
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It would make sense the 66cc 48 heads may have been originally intended for the 350 engines and somehow ended up on the 400's. It makes no sense they wanted a d-port 400 to have more compression than the top dog RAIV engine.
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