1999 w/920 RWHP w/abs delete, fly by wire issues...
06-08-2008, 06:51 PM
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1999 w/920 RWHP w/abs delete, fly by wire issues... OK, so Corvette Connection has our 99 Vette up to 920 RWHP! We Can Dyno, Drive it on the street and Smoke the 14.5 x 28 inch slicks like they are pizza cutters. But do you think we can power brake the thing to heat up the tires in the water box? NOPE! Load the converter and at 1500 rpm it is like it is hitting a rev limiter. Scanning shows timing simply crashing. In the timing charts vs load I have 25 to 26 degrees for the gms/cyl and rpm.
We were running 9.76 1/4 mile times with 851 RWHP... I am a seasoned tuner so please dont respond with, "...did you change the desired torque charts?"
We removed the ABS, and EBTCM and wiring and now we have this issue. (We had to compensate for the extra weight from the LQ9 block some how!)
Has anyone kept the fly by wire with an ABS delete? Looking for some intellegence!!!! Because I am going to loose mine!
www.myspace.com/vetteguru
We were running 9.76 1/4 mile times with 851 RWHP... I am a seasoned tuner so please dont respond with, "...did you change the desired torque charts?"
We removed the ABS, and EBTCM and wiring and now we have this issue. (We had to compensate for the extra weight from the LQ9 block some how!)
Has anyone kept the fly by wire with an ABS delete? Looking for some intellegence!!!! Because I am going to loose mine!
www.myspace.com/vetteguru
Last edited by Thomas; 06-08-2008 at 06:52 PM. Reason: two signatures... not enough beer...
06-08-2008, 07:51 PM
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Some more info... I've got the stock GM PCM modified with LS1 edit. Fuel sys. is large! LOL! 95 #/hr low impedence using an acceleronics amplifier. Etc. Aeromotive pump, -12 AN lines plus... Scanning Software is EFI Live and Tech 2. Any suggestions? Sometimes it is all about KISS... Keep It Simple Stupid!
06-10-2008, 11:36 AM
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OMG!!! KISS! Keep It Simple Stupid! 
Let foot off of brake pedal and have tire smoke and full timing.
Line lock burnouts work fine with lots of timing!
Have foot on brake pedal... No Timing... EBTCM & ABS are non-existant so it simply has to be one of the Brake Pedal signals going to the PCM. (cut the one to the TAC module.)
"Doc! It hurts when I do this!"
The Doc answers...
"Then don't do that!"
Let foot off of brake pedal and have tire smoke and full timing.
Line lock burnouts work fine with lots of timing!
Have foot on brake pedal... No Timing... EBTCM & ABS are non-existant so it simply has to be one of the Brake Pedal signals going to the PCM. (cut the one to the TAC module.)
"Doc! It hurts when I do this!"
The Doc answers...
"Then don't do that!"
Last edited by Thomas; 06-10-2008 at 11:38 AM. Reason: More smiles