WS666

iTrader: (14)

Here is the deal, put a T-Rex in my 02 WS6, and had it dyno tuned. Ran great! Still had some more bolt on stuff to get at the time (ported TB, pulley, cutout) and after I got all that installed, gradually over a month or so, the car seems to be running worse and worse. Before, it started up and idled right away upon cold start, now, i have to give it a tad bit of gas to catch idle first. Also the car is breaking up pretty bad during normal acceleration, and even at cruising, at certain speeds/rpms. Thought maybe a bad o2 sensor, but I got under there, and all seem to be fine, and no codes have been thrown.

Could having the car tuned before the cutout, and now having a cutout open all the time cause the car to run like crap due to the lack of back pressure, which it wasnt tuned for? I was planning on getting a retune anyway, I have since added the TB, MAF Ends, pulley, and was planning on going with a true dual setup. I just wanted to get some of your opinions, just in case this isnt just a tuning issue.

Thanks!

hourang

iTrader: (6)

i would check the tbody. which tbody did you go with?

WS666

iTrader: (14)

It's a Jantzer. I checked it last week when I installed the MAF ends... by check, i mean make sure the blade was closed at idle and WOT when mashed to the floor.

SouthFL.02.SS

Ported TB, MAF Ends and pulley is enough to throw things out of whack.

Same idle issue happened to me when I had my car tuned for a cam-only setup, then I swapped the TB for a ported TB after the tune. Car has been retuned (and modded further) since and runs fine.

I seriously doubt your cutout has anything to do with the problem.

WS666

iTrader: (14)

Thanks Carlos. Yeah, I was hoping that it was just a combo of the new mods that threw the tune off.

I will be seeing Kelley again soon!

SouthFL.02.SS

Hey Rich, I didn't realize I was talkin' to ya! Doh!