700+rwhp - LS2 vs. LS6
Thread Starter
On The Tree
Joined: Jul 2002
Posts: 131
Likes: 0
From: tampa fl.
700+rwhp - LS2 vs. LS6 Currently I make over 700 rwhp w/ stock non-ported LS6 and ported TB. I was given a LS2 intake - I'm wondering if it's worth the money for the 90 mm TB to get any gain. I run 13psi and AFR 225's and its a 410 ci. I plan on running 16psi as soon as someone gets BS3 and stock guages working, which no one seems to be doing.
Or sell both... buy Sheet metal intake and Victor Jr.
Good post... I havent seen any side by side flow numbers of the LS1, LS6, LS2, LS7, Victor Jr intakes. Would be good if anyone had the numbers though!
Good post... I havent seen any side by side flow numbers of the LS1, LS6, LS2, LS7, Victor Jr intakes. Would be good if anyone had the numbers though!
Stick with the LS6.
I did a bunch of testing with the LS2 intake and different throttle bodies on a supercharged vette 346ci at 15 psi (711 HP). Guess which one made the most HP........LS6, ported TB.
The only thing the LS2 intake and larger TB accomplished was the 'drive through the garage door' syndrome.
-Kevin
I did a bunch of testing with the LS2 intake and different throttle bodies on a supercharged vette 346ci at 15 psi (711 HP). Guess which one made the most HP........LS6, ported TB.
The only thing the LS2 intake and larger TB accomplished was the 'drive through the garage door' syndrome.
-Kevin
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Staging Lane
Joined: Oct 2004
Posts: 58
Likes: 0
From: Salem, OR
The consensus seems to be that the LS6 manifold is superior to the LS2 manifold; and that the 90mm TB is superior to the 74mm TB. I don't have a supercharger, but do have a TPIS-modified LS6 manifold that has a 90mm LS2 TB. It is a nice mod that is almost non-detectable, and the cost is much less than a FAST/90mmTB. TPIS estimates a gain of about 18 rwhp over the stock LS6 TB.
