5.3, L33, T60 on truck manifolds, 243 heads, 218 cam, LS1 intake.

Question: Is it worth switching out the LS1 intake to the LS6 I have sitting in the attic? Or should I sell it?

 

Anyone?

 

prob not, id sell it. Forced induction kind of overrides the gains cuz you can just turn it up a little. If you bracket or class race then put it on, otherwise, take teh 300 bucks and move on.

 

Same thoughts. Not really any gains to be had.

 

On an LS2/402 with AFR 225 heads and an ProCharger F-1A at the old shop, we swapped out an LS2 intake manifold for a FAST 92 and went from 809 rwhp to 864 rwhp with no other changes. Personally I would use the LS6 intake that you have sitting there. Bob

 

Bob is right, you will gain power by switching, maybe a lot maybe a little, but my point above is if your not trying to squeeze every last pony out of your setup then dont worry about it.

FWIW, FI applications tend to be a little more sensitive to stuff like intake changes, youll prob see it spool a little differently too

 

Thats nice to know. I figured since it pressurized the whole system it never really changed much. Keep my mouth shut unless I know for sure

 

thats the funny thing about FI, you can make great power and put up great numbers with crappy parts. But when you upgrade those crappy parts to awesome parts a FI car will respond better than a NA setup. Intakes especially, and when your talking about turbos you will not only see spool change but power and track times.

case in point, buddy has a Grand Prix turbo. he was using the supercharger case as his intake manifold, it was gutted and empty. when he switched to an intake manifold from a NA Grand Prix he gained power, saw full spool about 500rpms sooner and his 60 foots got a hair quicker.

 

Thanx for the advise!