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Old 02-27-2013, 12:03 PM   #31
red_baron06
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Default 3.31 vs 3.73

Originally Posted by pohnjarker View Post
i have 3.73s but plan on going down to 3.27 since i went boost
We should just swap rear ends then hahaha.
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Old 03-01-2013, 06:51 AM   #32
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Originally Posted by red_baron06 View Post
We should just swap rear ends then hahaha.
shoot, if i was home, i dont see a problem with that.

i'll be adding in an Eaton Limited Slip Differential as well since they will have the rear end opened for the gears.
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Old 03-02-2013, 08:47 PM   #33
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<--keeping my 3.15's....
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Old 03-03-2013, 05:51 PM   #34
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This is kind of what I feel I might do next. I rarely have the car at 120+ and I am not going boosted or big power anytime soon, so I wouldn't mind ditching my 3.31s for 3.73s. No Jeff I don't want your 4.10s!
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Old 03-03-2013, 05:54 PM   #35
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Originally Posted by Dan12GT View Post
This is kind of what I feel I might do next. I rarely have the car at 120+ and I am not going boosted or big power anytime soon, so I wouldn't mind ditching my 3.31s for 3.73s. No Jeff I don't want your 4.10s!
Want my 4.10's?
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Originally Posted by SlowGreyGT View Post
I agree. A stick car shocks the tires MUCH harder and does it several times going down the track. With a big power stick car, the car is much more unsettled going down the track making it more of a challenge to ET well. A well running auto car is nothing more than just point and shoot. Which is great for a track car taking a lot of driver error out of the equation.
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Old 03-03-2013, 06:42 PM   #36
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Originally Posted by blk2012gt View Post
want my 4.10's?
nope!
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Old 03-03-2013, 07:20 PM   #37
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Originally Posted by Dan12GT View Post
nope!
Yes foo
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Originally Posted by SlowGreyGT View Post
I agree. A stick car shocks the tires MUCH harder and does it several times going down the track. With a big power stick car, the car is much more unsettled going down the track making it more of a challenge to ET well. A well running auto car is nothing more than just point and shoot. Which is great for a track car taking a lot of driver error out of the equation.
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Old 03-03-2013, 08:18 PM   #38
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Originally Posted by red_baron06 View Post
Have any of you guys arena difference when running the 2 cars against each other? I really haven't been able to find much on this. Will the cars run close or will one walk away?
there are a lot of different factors that come into play besides just final drive gear ratio.

the difference between the two is probably not that noticeable.
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Old 03-03-2013, 09:38 PM   #39
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Default 3.31 vs 3.73

Originally Posted by MidWest281 View Post
there are a lot of different factors that come into play besides just final drive gear ratio.

the difference between the two is probably not that noticeable.
Even a couple hundred RPM over 3-4 gears could mean the difference.
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Old 03-03-2013, 09:56 PM   #40
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Originally Posted by Steve View Post
Have you had your car to the track yet? It seems a lot of people running the 3.73's complain about banging the rev limiter before hitting the traps, defintely more so with the cars making more than stock power.
I have been to the track with a 3:73 car that is non Brembo and no tune just a cold air/horrible driver. I do not hit the limiter and shift at 6,800-7,000. The non brembo cars with the 245/45 19 is a 27.7 inch tall tire which helps. The brembo guys have a 255/40 19 which is a 27 inch tall tire. That is part of the reason for the rev limiter issue. The 3:73 do get you in the band nicely.
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