ok guys i have a 2001 gtp with burnt valves going to have to have a valve job.also going to get ported manifoulds and ported supercharger done to at same time
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my problem is im looking into zzp or wbody both sell Si stainless valves for the gtp. showed i run stock sizes. Or showed i have the heads ported to go up one size bigger valves.
rest of the valvetrain will be comp cam rollers, retainers, and rods.
im also looking at 90lb's springs will they work with stock rockers and stock cams???hard yes and no
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