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02-27-2013, 12:03 PM
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#31
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Junior Member
Join Date: Feb 2013
Age: 33
Posts: 10
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3.31 vs 3.73
Originally Posted by pohnjarker
i have 3.73s but plan on going down to 3.27 since i went boost
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We should just swap rear ends then hahaha.
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03-01-2013, 06:51 AM
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#32
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Senior Member
Join Date: Jun 2012
Location: Gun Barrel City, Tx
Age: 41
Posts: 456
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Originally Posted by red_baron06
We should just swap rear ends then hahaha.
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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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2011 Mustang GT - Sterling Grey - stockish
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03-02-2013, 08:47 PM
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#33
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Senior Member
Join Date: Jun 2012
Posts: 496
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<--keeping my 3.15's....
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03-03-2013, 05:51 PM
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#34
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Senior Member
Join Date: Jul 2012
Location: Roanoke, Texas
Age: 39
Posts: 818
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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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Airaid CAI | Borla S-Type Catback | Amsoil 10w30 and MTG Trans. Fluid
382hp 387ft/lb | 1/4: 12.9 @ 112mph
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03-03-2013, 05:54 PM
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#35
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Scared to race Steve
Join Date: Jun 2012
Location: Hiding from Steve
Age: 42
Posts: 2,646
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Originally Posted by Dan12GT
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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Want my 4.10's?
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Originally Posted by SlowGreyGT
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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03-03-2013, 06:42 PM
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#36
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Senior Member
Join Date: Jul 2012
Location: Roanoke, Texas
Age: 39
Posts: 818
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Originally Posted by blk2012gt
want my 4.10's?
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nope!
__________________
Airaid CAI | Borla S-Type Catback | Amsoil 10w30 and MTG Trans. Fluid
382hp 387ft/lb | 1/4: 12.9 @ 112mph
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03-03-2013, 07:20 PM
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#37
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Scared to race Steve
Join Date: Jun 2012
Location: Hiding from Steve
Age: 42
Posts: 2,646
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Originally Posted by Dan12GT
nope!
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Yes foo
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Originally Posted by SlowGreyGT
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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03-03-2013, 08:18 PM
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#38
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Senior Member
Join Date: Mar 2013
Location: Carrollton
Age: 35
Posts: 217
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Originally Posted by red_baron06
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?
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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.
__________________
2013 Performance White Boss 302
-Stock
2002 Mineral Gray GT
-VT engines Stage 2 N/A cams, full SLP exhaust, 4.10 gear...etc.
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03-03-2013, 09:38 PM
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#39
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Senior Member
Join Date: Jun 2012
Posts: 5,594
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3.31 vs 3.73
Originally Posted by MidWest281
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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Even a couple hundred RPM over 3-4 gears could mean the difference.
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03-03-2013, 09:56 PM
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#40
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Member
Join Date: Jul 2012
Location: FT Worth, TX
Posts: 67
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Originally Posted by Steve
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.
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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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