i have a 383 with headers, ported 350heads, 224,230 510lift cam, and a holley 750. i am running a performer for a intake and i am always wondering if that is hurting my high end performance? do you guys think about it and would it fit under the hood of a 86Z?

Thanks
Brian

 

Yeah definatly. The Performer is a stock truck level intake. With that combo you should prolly consider a single plane, or at least a Wieand Stealth dual plane.

 

How about Performer RPM of RPM Air Gap??? I've had good luck w/RPM but haven't popped for Air Gap, yet...

 

I dunno, that air gap manifold loks very intresting. from the little blurb in the edlbrock catalogie, its good for 1500-6500 rpm, where as the performaer is good idle to 5500... the air gap and the performer rpm have the same specs pretty much for air flows too

steve

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86 Firebird, LG4, t-tops, 2.73 open rear, SLP 3 inch cat back exhaust, catco cat, Coming mods: Edlebrock 1 5/8's Headers, 2 inch cowl hood with custon alumin cold air box, 3.42 posi disc rear, T56, and hopefully a new set of heads and a nice CAM!

My Webpage- Battle of the birds, My own Thirdgen Page, still under construction, http://www.geocities.com/soares711/index.htm

88 Firebird Formula- deseased 2/9/99- 305 TPI, SLP 3 inch exhaust, SLP Intake runners, SLP cam, 3.45 BW disc brake posi, WS6, NOS, and all that good stuff, 13.8 on the motor, 12.89 on NOS and slicks! Hit by what else!?!? a FORD EXPLORER!!!!!!

 

has anybody have proof that the air gap outperforms the normal rpm? It looks like a cool design, but not for $75 more.

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-'82 Z28 (350, carb'd, 4.10's, Super Comps, plenty of goodies)
-'91 S10 (nice daily driver)

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I'm currently using an Air Gap and there was considerable difference between it and the Performer that I replaced. I don't know if there is much difference between it and a standard RPM. Something else to consider is the stock hood won't work with the Air Gap for sure. It's much taller.