Holley Air Foil?
Registered User
Joined: Apr 2001
Posts: 557
From: KU
I doubt you will see any gain performance wise. I had one and then took it off. I didnt notice a difference. IMHO The only reason to get one would be to run a wet kit because then the fuel will not pool in your TB.
Registered User
Joined: May 2002
Posts: 174
From: ohio
An airfoil is not going to give you a SOP change in HP like headers or a cam. WS6.com showed about a 3 HP gain from it so why not go for it. It's for sure not going to hurt your car. As for what brand is best... Holly, slp, they are all the same. Watch on Ebay and get one used pretty cheap. Good luck!
Later,
Mike
Later,
Mike
Registered User
Joined: Jun 2001
Posts: 499
From: Raleigh, NC
I dont think theyve ever been officially proven. This weekend on HP TV they installed one on a Imapala SS and gained no power at all. Don't they cost about $50? If so I'd either try to get one used or spend that $50 towards something else that is actually proven to give power.
oh well, its something to add to your mod list, and anybody who doesnt know what it is you can tell them its like 25 hp 
Registered User
Joined: Mar 2003
Posts: 1,411
From: Pelzer, SC
I ordered one which should arrive any time soon. Got it for $25. I knew it wouldn't add anything dramatic hp wise, but I've heard it gives a lot better throttle response once added, and that is the main reason I purchased one.
Registered User
Joined: Dec 1999
Posts: 1,697
From: Petersham, MA
Save your $50.00. Thats a set of Impy head gaskets that will pick you up a 1/2 point of compression! Or it's a set of ARP rod bolts. Or a set of MSD plug wires. You see where I'm going with this. Save your dough for stuff you'll actually need.
Registered User
Joined: Aug 2002
Posts: 183
From: Long Island, New York
Originally posted by AxeGrinder30thZ
.... but I've heard it gives a lot better throttle response once added....
.... but I've heard it gives a lot better throttle response once added....
If anyone is gong to do this I reccommend getting the top plate gasket as well. Once you remove the tb top plate to do the install, you will see how stretched out it is, hard to get it to line up w/ top plate screws. Besides if it rips you're screwed anyhow. Worth the $5 extra for the gasket kit, just my $.02
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