JetBlack98Z

iTrader: (9)

What should i except ? I just got through Installing PaceSetter Long Tubes and for some strange reason it doesn't feel any stronger..... I also went With true Duals at the same time( 2 1/2, X-pipe, 1chamber Flows) Do you think im geting some KR ? Or Maybe im runing like a Rich Pig . Also I've heard That Exhaust Vibration (aka- header Hitting FloorPan) Cause Faulty KR ? How could i go About fixing this Guys... Mail order Tune, Dyno Tune, Hell..... MAF ends ?
Any Addvise would be GREATLY aperciated

Thanks Steve-0

blk~2000~Z28

I know that after installing my LT's the car felt stronger , I would hope that you at least noticed a difference. I bought EFIlive a month or two ago and have logged consistent WOT runs of 11.7 AFR which is rich by anyone's standards. Even with the car showing that rich of an AFR it felt a hell of a lot better than manifolds. I blame my HPPIII for my AFR just haven't checked that out yet. I would buy a logging tool to see your AFR as well as you KR to help trouble shoot what the problem is. I have no cats and LM so it is close to a non-restrictive exhaust like duals.

JetBlack98Z

iTrader: (9)

Thanks for the Reply... I mean i noticed alittle difference... I know, Unlike before if im in 2nd gear taching about 3grand at 35 I can Boil the Tires off =0. So basically all i've noticed is mid Range..

Any one else ? =) TTT

Steve-0

Cal

iTrader: (1)

You need to get it tuned; headers make the car run rich at full throttle (WOT.)

Slowhawk

iTrader: (12)

I agree with CAL.You need to make sure atleast that the A/F is in check.Most longtubes make the car run pig rich.

WS6 GreeN

You may not "feel" a difference. The rumor is, you lose torque down low in a lot of cases, but gain it up high. My car feels weaker than before because I was used to all that low end torque I used to have before I took the cats off. I dynoed 20 hp more tho. I hope when someone says "monitored my A/F with EFILive" they're talking about using a formula and not talkin about commanded A/F. I'll stop babbling now...

JetBlack98Z

iTrader: (9)

lol that's what i keep hearing... but to tell you the Truth, I think i've gained Low end along with Mid Range to... Where the Top end HP i keep hearing about ?

Thanks Steve-0

WS6 GreeN

I think a lot has to do with what exhaust you're runnin'

WS6FirebirdTA00

iTrader: (33)

so when tuning with headers ( i have some on the way ) do i still look at the fuel trims on the predator and o2 numbers, until i get on the dyno, and just tune it normally? and make sure the pipe wont bang...

WS6 GreeN

Correct. Get good logging numbers before tuning though. Everyone says headers make you run really rich. I didnt notice much of a change myself though. i guess it all depends.

JetBlack98Z

iTrader: (9)

K, News Flash. I found out exactly Why my car is Running like crap. My Driver side header is hitting the Floorpan, And maybe the K frame but im not sure. I guess that it's Cause False Knock retard(damn Senstive Sensors) Is there Any Way to Get rid of this... I Bent the Floorpan up alittle... Still hits when im geting on it =(

I need some Help plz =(

Thanks Steve-0

WS6FirebirdTA00

iTrader: (33)

u need to get under the car and see if its close to the kmember and grind it down if it is. u have poly motor mounts?

JetBlack98Z

iTrader: (9)

O yea, 2 Steps ahead of yea.... I've grinded the K frame Down as much as possible(there proable a 1/4 - 1/2 Gap Inbetween the Header tube and the K frame now) That's the Best i could do. It only bangs when i take off Really hard or if i'm WOT. No i don't have Poly Mounts... Trans and Motor both Rubber, Trans mount is only 6months old and Motors are Stock 60k miles.

WS6FirebirdTA00

iTrader: (33)

ok um, from what i understand if u have that kinda clearance then its prob your motor mounts moving too much. im about to put headers on my car with poly motor mounts and i have 42k on my car and it moves enough to where if ther eis a close fit with headers it would hit...thats about the only thing i can think of that you can do maybe someone else has ideas

JetBlack98Z

iTrader: (9)

Aperciate the Help WS6Firebird =)

JetBlack98Z

iTrader: (9)

I think im just going to use some Torque straps =) That should keep it from moving lol =)

Cal

iTrader: (1)

I cut the floorpan reinforcement out making a path for the Y pipe. Then on top of the floor pan, I MIG welded in a U-channel reinforcement. It's hidden under the carpet in front of the drivers seat. No banging at all, and this is with QTP headers.

JetBlack98Z

iTrader: (9)

SOunds like a Very Good Idea Cal... But i have True Duals... Donno.. Im going to try the Straps and see what happens =)

WS6FirebirdTA00

iTrader: (33)

i was starting on my motor mounts and then i was pulling the boltout of the center that rubber pos was moving so bad, im glad i decided to get new ones, these dont look like they would do much for me