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3.8 Whipple boost pulley chart

Autopart101

Autopart101

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Anyone have a 3.8 Whipple boost to pulley chart with stock lower?
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Autopart101

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FYI- After talking to a few people who run the 3.8 Whipple. The 3.8 makes around 5psi boost over the 3.0 on the same pulley.
 

Neil T.

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That sounds about right. I'm 6 rib and the 4" pulley sees ~16lbs, 3.5" sees ~20lbs, and the 3" sees ~25lbs.
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