rove car today with the LSx intake on it.....
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Joined: Mar 2003
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From: W.P.B
rove car today with the LSx intake on it..... I dont think im very happy with it. I feel like i lost some lowend (I did port it to the witness marks) The car backfired at WOT the first time I floored it 
I was like WTF. The car seems to pull more up top though. I think that Im going to put my LS6 intake back on... This manifold has me sick 
...
I was like WTF. The car seems to pull more up top though. I think that Im going to put my LS6 intake back on... This manifold has me sick ... 
Thread Starter
TECH Regular
Joined: Mar 2003
Posts: 449
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From: W.P.B
Originally Posted by Ferocity02
Thats a shame... Perhaps dyno it to make sure you aren't still lightheaded from paying $800 for it. If you don't want it, I'll take it for $50 
Not quite shure what you were expecting. Adiing the 78mm version over the LS-6 isn't going to net huge gains. On another note, when you ported it, did you just open it as far as you could, or did you do the right thing and remove the upper half of the intake and match it to your heads? If you just ported it to the max, your intake will be bigger than your intake ports on the heads and your probablly causing more turbulence than anything. The witness groves are there to tell you how far you can port IF NEEDED. Not just to port there because you can.
