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Message: <blockquote data-quote="klsmustang" data-source="post: 627463" data-attributes="member: 11989"><p>I have a 94 327 with afr 165s and edelbrock rpm intake and f cam. I am running a D1b procharger with a 6 rib 3.2 pulley(i think). I get about 10 psi of boost and make 508 rwhp. My problem is i want to make more power so am considering a smaller pulley but think i will start slipping the belt. Does anyone know if there is an 8 or 12 rib kit for the 94-95 5.0s?  Also, i only get about 5 psi when i roll into it on the highway in 4th, but 1st and 2nd easily pulls 10 psi. whats up?</p></blockquote><p></p>