707chance

iTrader: (2)

I went with this company for my cam; http://www.vincihiperformance.com/ Lots of experience in the field and great customer support

JDMC5

iTrader: (3)

Oh that's right, you guys haven't heard how well NMP's car runs with his cam advanced...........

CenTexSS

iTrader: (2)

Do tell.

JDMC5

iTrader: (3)

I agree, no off the shelf cam is going to work very well with the LS4. The LS6 cam (BTW, there was 2 different ones). works good with the LS1 but its not quite right for the 5.3. I've probably beat this topic into the ground so ill let you guys figure it out.

JDMC5

iTrader: (3)

If he wanted to tell I'm sure he would have already. He probably will post results when he has hard data to give, thats just how he is, unless you ask for yourself.

Not to be a dick but I've been trying to tell people how to make power with these LS4's for a long time, but nobody wants to listen.

Ok so I'll tell you this, I'm expecting the car to trap at least 108 mph, probably higher.

AlabamaGuy

iTrader: (5)

If he had an intake swap it'd be crazy.

DavidGXP

iTrader: (14)

There were a few LS4 cars that were trapping 106-107MPH with Rockers, CAI/WAI, downpipe and tuning. 1BaddSS and supercatx. Raising the shiftpoints made a big diff as I recall.
1BADDSS was the first one too try the LS6 cam. It ended up being real noisy (with 1.8's) and made no diff in the 1/4. I blame this on the stock intake manifold and gearing. The Shift points would need to be raised too, and would hurt 1/4 mile times due to the fact his car was no longer toping the current gear after passing through the finishing beam.
Besides, the 119 LSA that the LS6 cam has is better suited for Manual trans cars with low rear gears. We need to keep it tight. Somewhere around 112-114. This narrows the powerband.
Intake manifold and the headers. Cam swap should be last. My only problem with the stocker is that it's a DOD grind. Other then that I think it has the potenial to hit 110 though the traps with std. bolt ons. Rockers are a must.

DavidGXP

iTrader: (14)

Great company. Roger, is the man when It comes to valvetrain and camshafts. It was truely an honor to speak with him. In fact, he really needs to write a book!
We spoke about a year ago and he recommended the BOSS cam. I ended up buying the TR 220/220 and then sold it and put the stocker back in
Waneted to go turbo instead. Now I'm broke and unemployed after this month

DavidGXP

iTrader: (14)

Chance707 is using the LS1 intake.

1BAD06MCSS

I think that if anybody in here wanted to get a cam in their car, a custom one from EPS would be the way to go. The challenge is trying to get one that will match the DOD characteristics. Otherwise, you will have to change the lifters out from DOD to non-DOD lifters. I am sure that they can make one for you and you can experience Great numbers under the power band of our engines. Especially since we have LS6 heads in our cars. If I were to consider this, I would go with a ls6 intake, headers, and a custom EPS cam. I would expect pretty respectable numbers from this setup with a good tune. Maybe around 315-330 fwhp range. From what I have read on this forum about the EPS cams, is that they have GREAT street manners and make a ton of power in LS1 and LS6 cars. The street manners are very comparable to a stock cam, so much that you can barely tell the car has a cam in it. I pitty the fool who tries to line up against you thinking that your car is stock.

CenTexSS

iTrader: (2)

You have been vocal on what to do with these cars for sure. But no one has really solid numbers yet on a cammed LS4 other than Mongoose so far. I'm sure NMP's car will put up some good numbers when he gets dyno'd without a doubt.

707chance

iTrader: (2)

I'm hoping that my tax refund will get me to the dyno. Still waiting for the weather to clear up to do a video.

JDMC5

iTrader: (3)

your joking right?

GXP25

iTrader: (3)

Lol I think he is.

I thought it was pretty clear that Nate did his [LS6] intake swap before the camshaft.

JDMC5

iTrader: (3)

I think he's mocking me, back before the LS1/ LS6 intake swap was widely accepted, I use to swear the LS4 intake was the bottle neck, I'm sure O-BAMA remembers that.

CenTexSS

iTrader: (2)

Haha, you did beat the LS4 intake topic to death. Took a while for it to sink in, but it is pure garbage.

AlabamaGuy

iTrader: (5)

I've been under the impression that NMP was running the stock LS4 intake. I'm sorry if I'm mistaken, I can't remember every modification done to every car on here. I'm not sure how I was mocking you, I was simply stating that the motor would flow better with an intake swap. But hey, If his cam and intake swap only traps 2 mph higher than I did on a bad tune then maybe we should all reconsider putting a cam in these cars.

AlabamaGuy

iTrader: (5)

I wasn't talking about Ken. I quoted JDM's post talking about NMP's car. Should have been more clear, I suppose.

CenTexSS

iTrader: (2)

He's predicting 108+ traps. No track times that we know of yet.

AlabamaGuy

iTrader: (5)

The trap times aren't really important here. I'm much more concerned with why I was thrown under the truck for a mistaken intake manifold.