Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - vortec heads on older gm
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Old 01-08-2013, 04:01 PM
BuzzLOL BuzzLOL is offline
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.. The Vortec heads will help low end torque (1500-3500 RPMs) some if they offer a change from 76cc chambers to 64cc chambers... but I don't recall if the swirl port heads are 76cc or not... just remember the swirl ramps blocking the intake port flow...
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