Rear gear ?

tater302 · May 27th, 2011, 08:39 AM

Alright guys I'm trying to figure out what rear gears my coupe has..when I baught the car I was told it had 3.73 gears, but after driving it I figured there was no way because of teh way it pulls. I figured it might be a 4.10, This morning I took it out for a quick spin and noticed that at around 35mph its doin 2200rpm, there is no way thats a 4.10 right? keep in mind its running a c4 trans with shift kit and 3200 stall. Is my trans and stall making it seem like a lower gear?

nolife · May 27th, 2011, 10:44 AM

Jack up the rear, spin a rear tire around exactly one time, count how many times the drive shaft goes around. That is your ratio. 3 and 3/4 times, 3.73, just over 4, 4.10, etc.. Works every time.

Digsj7 · May 27th, 2011, 10:46 AM

^ It's that easy

May 27th, 2011, 08:39 AM	#1
tater302 Enthusiast 1993 lx 351 coupe Join Date: Jun 2010 Location: Clarkesville, Gerogia Posts: 671 iTrader: 1 reviews	Rear gear ? Alright guys I'm trying to figure out what rear gears my coupe has..when I baught the car I was told it had 3.73 gears, but after driving it I figured there was no way because of teh way it pulls. I figured it might be a 4.10, This morning I took it out for a quick spin and noticed that at around 35mph its doin 2200rpm, there is no way thats a 4.10 right? keep in mind its running a c4 trans with shift kit and 3200 stall. Is my trans and stall making it seem like a lower gear? __________________ Killer Performance

May 27th, 2011, 10:44 AM	#2
nolife MM Fanatic 91GT, 88GT, 02GT Join Date: Dec 2006 Posts: 3,057 Blog Entries: 3 iTrader: 0 reviews	Jack up the rear, spin a rear tire around exactly one time, count how many times the drive shaft goes around. That is your ratio. 3 and 3/4 times, 3.73, just over 4, 4.10, etc.. Works every time. __________________

May 27th, 2011, 10:46 AM	#3
Digsj7 Enthusiast 1993 Mustang LX my dog runs faster... Join Date: Jun 2010 Location: Columbus NE Posts: 626 iTrader: 0 reviews	^ It's that easy __________________ CAI, GT40 Intake, GT40P heads, 1.72 RR, 70mm Accufab, UPR Control arms, Hedman Headers, Mac H-Pipe, Flows, Pro-5.0, 3.73 Gears, BBK caster/camber kit, Eibach springs, Subframe Connectors, 5 lug conversion, MM+Cleavage Club Member #19

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