Thread: Dynoed a 400 for a 67 GTO tonight! I'm impressed!
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  #36  
Old 09-17-2016, 02:30 PM
bendutro bendutro is offline
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Join Date: Nov 2014
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Thank you guys so much for sharing this info. I have a set of RAIII heads that Dave B. ported to the same level as your 670s. I'm following this build closely. ;-)

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