Throttle response
Melting Slicks
Joined: Oct 2005
Posts: 2,515
Likes: 3
From: Goleta California
yes it is a programmed delay in the pedal position to throttle body. as i understand it there is currently no way to program around it. there is a product on the market that offsets the signal out of the pedal to give you a better throttle response. It was recently posted about here, try a search and you will find it I am sure.
Instructor
Joined: Mar 2009
Posts: 119
Likes: 0
From: Fort Worth Texas
yes it is a programmed delay in the pedal position to throttle body. as i understand it there is currently no way to program around it. there is a product on the market that offsets the signal out of the pedal to give you a better throttle response. It was recently posted about here, try a search and you will find it I am sure.
Safety Car
Joined: Oct 2003
Posts: 4,024
Likes: 13
From: Loveland CO to Central Coast CA
Auto tranny? At light throttle/low speeds, if you suddenly floor it, I bet most of the delay is due to the computers trying to figure if you should get a full-power downshift to 1st gear.
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Thread Starter
Pro
Joined: Mar 2009
Posts: 503
Likes: 6
From: Rochester Indiana
Yes it is with auto but the delay is even noticible with the car in park and just burping the throttlle, really causes my right foot problems.
Racer
Joined: Sep 2009
Posts: 339
Likes: 0
From: Camby IN
I have an M6 and experience a slight delay as well. This is most likely from the drive by wire system on LS2's idk if there is a delay on LS3's or not too. My LS1 with cable drive responded much quicker and to every little input that I gave it with my foot. But my s/c'd LS2 makes up for it with power
Melting Slicks
Joined: Sep 2007
Posts: 2,597
Likes: 3
From: READING PA
St. Jude Donor '08-'09-'10
Throttle response tap of the pedal
I had the delay pretty bad. Part of the problem can be solved by PORTING
the TB and the rest of it in the TUNE. Any good tuner can take care of the problem. The fix has been around for awhile.
the TB and the rest of it in the TUNE. Any good tuner can take care of the problem. The fix has been around for awhile.
Instructor
Joined: May 2007
Posts: 234
Likes: 3
From: Wexford, PA
All in the tune. After my first mod to my A6 (Vararam + Longtubes), the LG Motorsports tune woke it up! Nearly 0 delay. Many mods later, and many many of hours tuning, I have it down nearly instant response.
Tech Contributor
Joined: Jul 2002
Posts: 14,950
Likes: 264
From: St. Louis, MO
St. Jude Donor '08
05's have the throttle tuned to be sluggish from the factory. I complained about it for years. It was hard to heel and toe downshift.
HP Tuners came out with the fix last year and it works like a charm.
http://www.hptuners.com/forum/showth...ottle+response
HP Tuners came out with the fix last year and it works like a charm.
http://www.hptuners.com/forum/showth...ottle+response
Burning Brakes
Joined: Nov 2007
Posts: 1,083
Likes: 3
From: Buena Park CA
Hmmm, my understanding is that there is a software delay in the computer for whatever GM's reasoning. And, that Chuck Cow in New York is in process of reducing (not eliminating) that delay to a minimum. I will be using his services when I finally purchase some headers....
Le Mans Master
Joined: Oct 2000
Posts: 6,485
Likes: 713
From: Sausalito CA
All the above are valid...tune, booster, TB, design flaw.
Yes, I agree the delay is burdensome w/ heel and toe use.
Yet, just have your RPM (just as 3K) up before you "nail" it.
I'd venture to state that will mask any delay.
Yes, I agree the delay is burdensome w/ heel and toe use.
Yet, just have your RPM (just as 3K) up before you "nail" it.
I'd venture to state that will mask any delay.
Former Vendor
Joined: Nov 2005
Posts: 11,792
Likes: 255
From: Ossining New York
St. Jude Donor '07-'08-'09-'10-'12-'13-'14
Everyone Cross your fingers......!!!
Hmmm, my understanding is that there is a software delay in the computer for whatever GM's reasoning. And, that Chuck Cow in New York is in process of reducing (not eliminating) that delay to a minimum. I will be using his services when I finally purchase some headers....
I'm ON IT! and I'm almost finished.
While the Sprint Booster is a neet idea, it's VERY costly.
When I'm done and tested with MY ETC throttle fix, it will be MUCH CHEAPER!
Keep WATCH!
Chuck CoW
Drifting
Joined: Oct 2005
Posts: 1,549
Likes: 1
From: Roanoke Virginia
There's a setting in HPTuners 2.22 beta that will get rid of that specifically. There's a bunch of other settings too that will help, but tell that to the tuner and that delay will disappear.
Uh oh. Yes I meant 2.23 Beta. (!!)
BTW throttle response = 0 to 100% -> engine idle to 7,000 RPM in 0.350 sec. So you can get those things moving fast.
Uh oh. Yes I meant 2.23 Beta. (!!)
BTW throttle response = 0 to 100% -> engine idle to 7,000 RPM in 0.350 sec. So you can get those things moving fast.
Last edited by kelp; Mar 4, 2010 at 01:45 AM.
Safety Car
Joined: Apr 2007
Posts: 4,458
Likes: 325
From: Houston TX
I'm sure a lot of the solutions out there can lessen the delay in throttle response. I can't wait till there is a verified solution that makes the throttle response feel telepathic like a cable operated mechanical system.
