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Old 09-24-2010, 10:30 AM
powershifter
 
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peanut ports

Is there any at all that can be done to the chevy big block peanut port heads? I read in the hotrod magazine where they put them on mild 454 builds and get 400 hp. They just don't go over 4500 rpm. Anyway wondering. Thanks
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Old 09-24-2010, 11:18 AM
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Some porting and a good 3 angle valve job will help them out but they are never going to be great..if you are building a motor for the tow rig that never sees over 4500rpm any way they could be fine for that.

JMHO

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