Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - '76 sbc build , need more head advice
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Old 03-28-2008, 07:34 AM
red65mustang red65mustang is offline
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with or without the spacer only makes a tiny tiny performance difference on a Performer intake and rv cam...leave it on for's likely helping

dang it! that sure looks like a open plenum intake in your pic's! oh well...
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