why do C5's put down less power?
09-06-2005, 09:51 PM
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so if i hold the button down for 5 sec it will put in comp mode all the time or just till the emgine is turned off? will it say something on the dash screen thanks
09-06-2005, 10:56 PM
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Originally Posted by tigertank
so if i hold the button down for 5 sec it will put in comp mode all the time or just till the emgine is turned off? will it say something on the dash screen thanks
09-07-2005, 01:17 AM
#25
Originally Posted by Slow Vette
yes, it will stay in that mode until u shut the engine down and yes, it will say "competitive Driving" on the dash screen. just hold the button down till it says competitive driving. damn i wish i had a M6
Robert
09-07-2005, 05:28 AM
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Personally, I think this IRS business is bullshit. I've seen a LOT of dyno runs and have never witnessed much of a difference between the two cars (F vs. Y bodies). I've also owned both a 1999 Camaro SS and a 2000 Corvette. The 'Vette was about equal to the SS both on the dyno and at the drag strip when bone-stock. The only real difference I noted was that the C5 was a stronger top-end car when stock than the SS was and that it took to mods better and got faster at a quicker pace than the SS did with the same or similar mods. I attribute this to weight and aerodynamics.
If you go to a Corvette Challenge drag meet sometime you'll see that the C5's IRS doesn't seem to be handicapping any of the cars there. Also, keep in mind that the 'Vettes that once terrorized the streets in the '60's were also equipped with IRS and it didn't seem to hurt them much either.
If you go to a Corvette Challenge drag meet sometime you'll see that the C5's IRS doesn't seem to be handicapping any of the cars there. Also, keep in mind that the 'Vettes that once terrorized the streets in the '60's were also equipped with IRS and it didn't seem to hurt them much either.
09-07-2005, 01:36 PM
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Originally Posted by XTrooper
Personally, I think this IRS business is bullshit. I've seen a LOT of dyno runs and have never witnessed much of a difference between the two cars (F vs. Y bodies). I've also owned both a 1999 Camaro SS and a 2000 Corvette. The 'Vette was about equal to the SS both on the dyno and at the drag strip when bone-stock. The only real difference I noted was that the C5 was a stronger top-end car when stock than the SS was and that it took to mods better and got faster at a quicker pace than the SS did with the same or similar mods. I attribute this to weight and aerodynamics.
If you go to a Corvette Challenge drag meet sometime you'll see that the C5's IRS doesn't seem to be handicapping any of the cars there. Also, keep in mind that the 'Vettes that once terrorized the streets in the '60's were also equipped with IRS and it didn't seem to hurt them much either.
If you go to a Corvette Challenge drag meet sometime you'll see that the C5's IRS doesn't seem to be handicapping any of the cars there. Also, keep in mind that the 'Vettes that once terrorized the streets in the '60's were also equipped with IRS and it didn't seem to hurt them much either.
09-08-2005, 05:42 AM
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Originally Posted by Slow Vette
would TMS handicap them??
09-08-2005, 06:28 AM
#31
Originally Posted by XTrooper
Yes, absolutely. However, TM is given to cars in different doses by GM. I know that the GTO's got clubbed with TM, but I'm not sure what the differences are between F and Y bodies, if any.
F and Y bodies both have TM. ALot of people didin't know F-bodies did, hell, I didn't know until a couple of months ago.
09-08-2005, 06:26 PM
#32
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Originally Posted by Slow Vette
i don't get why C5's put down less power, on the dyno, than LS1 F-bodies stock for stock or with minor bolt-ons? 
i mean is it in the tune, that they get from the factory and if thats true, than why would GM do this to C5's?
i mean is it in the tune, that they get from the factory and if thats true, than why would GM do this to C5's? I am only 5'6". Less power due to IRS but < weight and better Aero= more topend.
Mike V
09-09-2005, 05:05 AM
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Originally Posted by V-seriesTech
F and Y bodies both have TM. ALot of people didin't know F-bodies did, hell, I didn't know until a couple of months ago.
09-13-2005, 05:46 AM
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Competitive driving mode was present right from the very start...TM in the six speeds is basically the Torque limit value that is present in the torque management segment of the programming...It does not pull timing at shifts, like the auto's do, but the if the PCM calculates that the engine is making more torque than the factory programmed value, it will pull timing until it's calculation is safely below the set point...
Peace...Gman
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