Thread: 421 SD Bathtub intake
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  #114  
Old 03-09-2021, 12:38 PM
tom s tom s is offline
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Has a V plenum,when I tested the diff designs before there was only about 5 HP diff between all 3 on a 462 HiPo street Eheaded engine.Im sure with a high RPM race engine and ported to match it will be better.Tom

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