DavyZ Posted February 21, 2007 Share Posted February 21, 2007 tEdit: hey davy, performer or performer RPM? Andy, not knowing your cams specs makes is a little difficult, but the performer will work, as will the Air Gap manifold--both work right from idle to about 5500 rpm. The Performer RPM is for more aggressive cam profiles and is good in the 1500 - 6500 rpm range. You always want to have your intake and cam "matched" so that you'll stay in the powerband through your engine's most usable range. Since you apparently have a torque based cam, a good guess would be to use the Performer or Air Gap. You almost won't go wrong with either one of them. 5500 rpm is plenty for most V8s in a Z car. That's just my $.02 Go get 'em!! Davy Quote Link to comment Share on other sites More sharing options...
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