^56 
LPE vs. FAST intake
Thread Starter
Staging Lane
Joined: May 2006
Posts: 76
Likes: 0
LPE vs. FAST intake It may not even be a comparison but when I bought my car it had the weiand lingenfelter intake already on it. Well here lately I have heard that these intakes are heavy and dont flow much, if at all, better than stock. they were mainly produced for looks is what I take from it. Should it stay or should it go? Does it compete with the FAST or even the ls6 intake?
thanks Corey
thanks Corey
It's on par, or a little ahead of the LS6. The FAST will only benefit you if you're running a stroker or at least H/C. A max effort cam only setup could use it too.
Originally Posted by Lithium
Agreed. Its basically the LS6. Although they are know to heat soak a bit.
The FAST is much better IMO.
The FAST is much better IMO.
I do agree being simple to port has its pluses though but really the ls6 or the fast 90 is all that really should be looked into unless you want ITBs or something equally exotic.
Staging Lane
Joined: Oct 2004
Posts: 58
Likes: 0
From: Salem, OR
Consider the LS6 manifold modified to accept a 90mm TB. TPIS is now selling this modified manifold. This manifold is a drop-in fit on the C6 Corvette, whereas the FAST does not fit so easily. Lingenfelter also sells the TPIS-LS6 manifold.
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If you got the money go with the fast. If you are worried about weight and heat soak but don't have the money for a FAST then get a used LS6 intake. If your just some minor bolt ons, leave it it's fine!
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Thread Starter
Staging Lane
Joined: May 2006
Posts: 76
Likes: 0
Well my current setup if the lg g5x3 cam with patriot golds. would I see quite the improvement with this cam by switching to the fast. Other minor bolt ons are a MTI throttle body, lid, and mufflex exhaust kit
or you could go with this manifold... as the results come in today 
https://ls1tech.com/forums/generation-iii-external-engine/493176-professional-products-intake-manifold.html
https://ls1tech.com/forums/generation-iii-external-engine/493176-professional-products-intake-manifold.html
