Generation III External Engine LS1 | LS6 | Bolt-Ons | Intakes | Exhaust | Ignition | Accessories
Sponsored by:
Sponsored by:

Has anyone had this problem!

Thread Tools
 
Search this Thread
 
Old Jun 29, 2010 | 12:55 AM
  #1  
VandykeT/A's Avatar
Thread Starter
10 Second Club
10 Year Member
 
Joined: Jan 2010
Posts: 2,317
Likes: 20
From: Hurley, VA
Default Has anyone had this problem!

My Trans Am is a 02 WS6 6 speed it had 56,000 on it when we bought it but it was weak as a kitten. I have driven two other stock LS1 cars a 01 A4 WS6 and a 01 M6 WS6. In stock trim both would have obliterated my car. I couldn't believe the difference. But after only headers and a 3.73 gear its like an entirely different car. Is it possible my cats were stopped up or something I know its not important now but I was just wondering if any one else had experienced something like this.
Thanks in Advance
Reply
Old Jun 29, 2010 | 02:24 AM
  #2  
Starz T/A 17's Avatar
TECH Addict
iTrader: (6)
 
Joined: Jul 2005
Posts: 2,855
Likes: 0
Default

Yea, that could of been what was causing the power loss. On my dads saturn he was having some power loss issues and it ended up being his cat. It wasnt clogged enough to throw a code but was causing lower MPG's and loss of power. If that is all you changed I would bet that was the problem.
Did you do a tune up with the headers? could have been you had some bad plugs or wires if those were replaced with the headers
Reply
Old Jun 29, 2010 | 02:43 AM
  #3  
bayer-z28's Avatar
TECH Veteran
20 Year Member
iTrader: (14)
 
Joined: Apr 2005
Posts: 4,085
Likes: 1
From: N. Falmouth MA
Default

Mine had a bit of a mood swing with me once when it was sucking down about 3 gal of gas in 10 miles.. NO fkn idea wth was up there! But it didn't last long.

May have been a cat issue, but mine didn't last long. After a couple hard pulls, the stone in the cat loosened up and they started rattling. Installed the LT's after that anyway.

If you didn't get it tuned for the LT's and the other mods, I'd say do that. It makes a HUGE difference and is a key to having a healthy setup..
Reply
Old Jun 29, 2010 | 02:25 PM
  #4  
VandykeT/A's Avatar
Thread Starter
10 Second Club
10 Year Member
 
Joined: Jan 2010
Posts: 2,317
Likes: 20
From: Hurley, VA
Default

Well come to think of it, there was something rattling towards the front of the car but the exhaust shop said it was the 02 sensor rattling but i bet it was the cats. The clutch was about gone it was ok for normal driving but you could drop it in 1st and it'd spin then go to grab second and it'd blow by the clutch had that changed a little while after the headers but I put MSD wires on it right after I got it and when I had the headers put on I had the plugs changed.Right now I'm waiting to get it back from having my Torquer 2 and a 4.10s installed gonna run on a TSP mail order tune for now. But it never missed ran smooth as could be just no power. If it was a cat nearly clogged that wouldn't have damaged anything would it. Car still runs strong at 72000.
Thanks
Reply
Old Jun 29, 2010 | 03:10 PM
  #5  
thunderstruck507's Avatar
11 Second Club
iTrader: (18)
 
Joined: Mar 2008
Posts: 8,358
Likes: 27
From: Northwest AR
Default

even though the car feels better now, if it was that much of a pig I would check for codes, clean the MAF sensor, and check the plugs and wires
Reply
Old Jun 29, 2010 | 11:19 PM
  #6  
VandykeT/A's Avatar
Thread Starter
10 Second Club
10 Year Member
 
Joined: Jan 2010
Posts: 2,317
Likes: 20
From: Hurley, VA
Default

Well the headers have been on for probably a couple years now. The first thing I done when I got the car was cleaned the throttle body, took out the screen in the MAF, changed the air filter (don't think I've ever seen that many bugs in one place), fuel filter. Then I changed the wires after they came in. Nothing made a difference until the headers. With just the bolt ons, headers, exhaust, pulley, Flowpac, 373s I can pull about a car and a half on a stock car from about 50 to 85. With a passenger. Does that sound about right?
thanks
Reply




All times are GMT -5. The time now is 06:11 PM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE