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Gear Suggestions?

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Old Mar 5, 2008 | 03:15 PM
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Default Gear Suggestions?

Just looking for opinions. My car has 4.10's. A great mod for a n/a car, not so great for a supercharged car. As you guys know, 1st gear is useless. I'm putting down 532 RWHP (501 torque), and probably won't go much more with the car. Other than 1st gear now being useless, I have to make the 5th gear shift in the quarter mile, which is one shift too many. What would be a good ratio to go back to (3.42's?) to stay in 4th through the quarter, and still get optimal performance?

Thanks!
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Old Mar 5, 2008 | 04:57 PM
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I'd say 3.73's should be right for you with room for a few more horsepower.
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Old Mar 5, 2008 | 06:27 PM
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Or just get taller DR's or ET's for the track.
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Old Mar 5, 2008 | 06:59 PM
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3.42's-your always going to want more power! That's easier than changing gears.
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Old Mar 5, 2008 | 07:36 PM
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Originally Posted by eb02z06
3.42's-your always going to want more power! That's easier than changing gears.
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Old Mar 5, 2008 | 08:29 PM
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Originally Posted by leojnknsC5
342
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Old Mar 5, 2008 | 09:37 PM
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I think you could go lower than a 3.42.

Lingenfelter sseems to run from 2.73' to 3.15's on their big builds to help control tire spin and give their car a high top speed.

http://www.lingenfelter.com/document...nerZO6_000.pdf

http://www.lingenfelter.com/Lingenfe...06ZO6TTBGB.htm
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Old Mar 6, 2008 | 01:33 PM
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Thanks for the input. I don't want to give up 1/4 mile performance, but I'd like to leave a little room for more power too.

eb02z06 is right, that power thing is addictive! After less than a year, I'm already used to the power I'm putting down and thinking about a litle more! Does it ever end?
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Old Mar 6, 2008 | 06:23 PM
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Gear ratio is about torque multiplication. A heavy load needs torque, and the overall gear ratio-trans and rearend-determines acceleration. If your motor is blown, you have so much torque that its pointless to worry about gear ratios. Unless your drag racing and everything is critical.
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Old Mar 6, 2008 | 06:41 PM
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I would say 3.73 for best 1/4 performance at your current power levels.
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Old Mar 6, 2008 | 07:11 PM
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Originally Posted by ajg1915
I think you could go lower than a 3.42.

Lingenfelter sseems to run from 2.73' to 3.15's on their big builds to help control tire spin and give their car a high top speed.

http://www.lingenfelter.com/document...nerZO6_000.pdf

http://www.lingenfelter.com/Lingenfe...06ZO6TTBGB.htm
I am considering doing 2.73. I have 700rwhp. I am not concerned about 1/4 times although i think the long gears would actually help a bit. I don't hear much about high HP cars doing this. Anyone know of people who have done this and have specific writeups on the pros and cons.
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Old Mar 6, 2008 | 09:36 PM
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More than likely for the M6 you can get away with the 3.73 for all around performance and drivablility!

I have been in other M6 3.73 geared vettes and they really seem to like them!

Thanks,Matt
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Old Jun 16, 2008 | 09:31 AM
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I'm considering a gear change also but I'm nowhere near 532.
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