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Old 02-24-2021, 09:24 PM   #45
Adriangarza40
 
Drives: 2014 2SS/RS/LS3
Join Date: Mar 2017
Location: Houston, Tx
Posts: 90
I’m running the 3.1 pulley and it only made 7.5psi. Idk if there are smaller pulleys available
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2014 LS3, AFDynamics Cai, Speed Engineering catless headers, BTR Nightfury cam 484RWHP 453lbft TQ
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