Traction Control off means hotter engine profiles?
Thread Starter
Racer
Joined: Mar 2005
Posts: 286
Likes: 36
From: Scituate, MA
Traction Control off means hotter engine profiles?
I was getting my annual inspection sticker the other day and was biding my time in line by talking with a mechanic who seemed interested in my 2000 coupe 6 speed. He said he had a 2005 GTO with the LS2 engine and 6 spd. He told me that the traction control off setting puts the engine in much higher performance ignition and fuel injection timing profiles. He also said you would get better fuel economy. I told him my understanding was that if you started to slip on a rear wheel under load that the ABS would kick in and reduce fuel to the engine. It would only do this when you lost traction. Who's right?
Also, I have got a nagging soft rattle in the firewall/driver side dash area that I've put a lot of work into. I thought for sure that it was the HUD projector, but after removing the whole dash, the whole instrument cluster, and the HUD unit, it still does it. Could there possibly be anything in the heater core/evaporator area that could do this? It does it all the time but is most noticable at 30 mph when going over "cracked" or older asphalt.
Thanks for any help you can offer-
Bluemill
BUY AMERICAN!!!
Also, I have got a nagging soft rattle in the firewall/driver side dash area that I've put a lot of work into. I thought for sure that it was the HUD projector, but after removing the whole dash, the whole instrument cluster, and the HUD unit, it still does it. Could there possibly be anything in the heater core/evaporator area that could do this? It does it all the time but is most noticable at 30 mph when going over "cracked" or older asphalt.
Thanks for any help you can offer-
Bluemill BUY AMERICAN!!!
Burning Brakes
Joined: Oct 2004
Posts: 769
Likes: 0
From: simpson town Mo
Originally Posted by Bluemill
I was getting my annual inspection sticker the other day and was biding my time in line by talking with a mechanic who seemed interested in my 2000 coupe 6 speed. He said he had a 2005 GTO with the LS2 engine and 6 spd. He told me that the traction control off setting puts the engine in much higher performance ignition and fuel injection timing profiles. He also said you would get better fuel economy. I told him my understanding was that if you started to slip on a rear wheel under load that the ABS would kick in and reduce fuel to the engine. It would only do this when you lost traction. Who's right?
Also, I have got a nagging soft rattle in the firewall/driver side dash area that I've put a lot of work into. I thought for sure that it was the HUD projector, but after removing the whole dash, the whole instrument cluster, and the HUD unit, it still does it. Could there possibly be anything in the heater core/evaporator area that could do this? It does it all the time but is most noticable at 30 mph when going over "cracked" or older asphalt.
Thanks for any help you can offer-
Bluemill
BUY AMERICAN!!!
Also, I have got a nagging soft rattle in the firewall/driver side dash area that I've put a lot of work into. I thought for sure that it was the HUD projector, but after removing the whole dash, the whole instrument cluster, and the HUD unit, it still does it. Could there possibly be anything in the heater core/evaporator area that could do this? It does it all the time but is most noticable at 30 mph when going over "cracked" or older asphalt.
Thanks for any help you can offer-
Bluemill BUY AMERICAN!!!
Question one,he is an idiot.
Question two.I had the same problem,turned out to be the a.i.r pipes hitting the firewall behind the drivers side head.Might be a fix for ya,good luck!
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Racer
Joined: Jun 2004
Posts: 421
Likes: 0
From: Dallas Texas
I remember something like that on the Pontiac GTP, kind of. Instead of cutting back throttle to re-gain traction, it would cut back your timing. The system seemed not to work because you could still leave 50' of rubber with the Traction Control on, lol.
Team Owner
Joined: Nov 1999
Posts: 26,679
Likes: 17
From: This vette goes to 11 Milford MA
St. Jude Donor '03-'05
I second the AIR tube rattle. I ended up just putting a piece of heater hose over that section and zip tying it in place. As far as magic timing/fuel maps, you have to purchase a $68 electric supercharger to realize the maximum gains.
Race Director
Joined: Dec 2003
Posts: 12,599
Likes: 1
From: Texas
Originally Posted by David426
Actually the traction control when deactivated sprays nitrous oxide into the intake. When it is activated it recharges the nitrous supply by reverse osmosis...
Le Mans Master
Joined: Sep 2003
Posts: 6,276
Likes: 227
From: Farmington CT
Cruise-In VII Veteran
sta-blk and fastguy, nice find on the AIR tube rattle, i had recently was in there to replace the check valve(code p1416)was the one BEHIND the intake manifold, i spent/waisted some time trying to get at it then pulled the intake manifold(15 mins if you don't have to mess w/ the t/body coolant hose)then no prob getting to the AIR tube--alright i'm lying, i had to remove the entire tube to the pass side ex man. to use more oomph to break loose the threads on the ck valve
Team Owner
Joined: Sep 1999
Posts: 20,054
Likes: 44
From: Swansea IL
Originally Posted by Fastguy
I second the AIR tube rattle. I ended up just putting a piece of heater hose over that section and zip tying it in place. As far as magic timing/fuel maps, you have to purchase a $68 electric supercharger to realize the maximum gains.
Good luck
Tom
Safety Car
Joined: Jun 2003
Posts: 4,640
Likes: 0
From: Sunshine State
Originally Posted by STA-BLK
Question one,he is an idiot.
Question two.I had the same problem,turned out to be the a.i.r pipes hitting the firewall behind the drivers side head.Might be a fix for ya,good luck!
Question two.I had the same problem,turned out to be the a.i.r pipes hitting the firewall behind the drivers side head.Might be a fix for ya,good luck!
