LS4 Performance Grand Prix GXP | Monte Carlo SS | Impala SS | LaCrosse Super

I can only race from 50mph

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Old 12-24-2005, 10:21 AM
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Default I can only race from 50mph

wheels / tires just can not take the TQ below 50mph on the gas (75hp), I am going to the dyno soon to check A/F, any one think they know how much HP and TQ it will make?
Old 12-24-2005, 11:01 AM
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Dale, at what speed does your car hit redline at in 1st & 2nd? there's been some talk that the SS's have 3.29's not 2.93's like the GXP, my car hits 48-49mph (1st) & 100-101mph (2nd) and I have no clue what it will Dyno at, but I'm anxious to see if we're underated or not..
Old 12-24-2005, 01:37 PM
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Your # of 48 in 1st and 100 in 2nd is on track, but I think that the tire size and wieght of the SS off set any gear it mite have over the GXP's. My 1/4 # with only 500 mile on it are slow (mph) I changed the oil at 3000 miles and it now feels like it run stronger... oh do you have 17's or 18's on yours? And the gas kicks butt..
Old 12-24-2005, 01:52 PM
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As for the clubGP if I can't get in I have tryed to log in like 10 times over the last month... COME ON LET ME IN....
Old 12-25-2005, 02:06 PM
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Hey, Dale did you get your conformation e-mail from clubgp?? Are you using AOL?? If so look into your spam folder for the conformation e-mail as aol will think it is spam.
Old 12-25-2005, 02:33 PM
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Dale, The GXP's have 18's (255/45's up front & 225/50's in the rear), I left word with one of the key engineers that is retired now, but helped develop the GXP, he said as far as he knew, the SS & GXP are powertrain identical, which I believe is also correct, check Club GP for the outcome, I see you finally got in over there..




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