what size pulley? the level of restriction is very different between the 3core and 2core. also, what is your A:F and what is your rwhp? i ran a 2core with a 3.3 inch pulley and it spun a bearing. on the new motor im using that same size pulley with a d1
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2007 explorer limited
procharged 2002gt sold
new project: 427w c4 9" fox
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