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jerrys84 · 07-15-2002, 11:21 AM

sounds to me like an evac system, all it does is run your pcv hose to your exhaust. which in theory, creates a reduced pressure in your block allowing your rings and valves to seal better..(??) thus increased hp.

i know a couple drag race guys who do it..

10-20 hp, doubtful..

07-15-2002, 11:21 AM	#5
jerrys84 Registered Member Join Date: Feb 2002 Location: minnesota Posts: 129	sounds to me like an evac system, all it does is run your pcv hose to your exhaust. which in theory, creates a reduced pressure in your block allowing your rings and valves to seal better..(??) thus increased hp. i know a couple drag race guys who do it.. 10-20 hp, doubtful.. __________________ 91 LX 'work in progress' previous stangs; lightly modded 84GT 81 2.3 converted to 302 auto