3.73 gears?
07-27-2007, 10:56 PM
#11
5th Gear Member
Join Date: Dec 2006
Location: New Jersey
Posts: 2,307
RE: 3.73 gears?
ORIGINAL: 68XR7
To tell ya the truth, I was a little disappointed with the 3:73's. I thought that it would make a bigger difference than it did. When I read the posts, I got the impression that the improvement would be huge and it wasn't. On the bright side, the car is still very streetable, even on the highway. There might be a little difference in gas mileage, but it's small. One thing to think about, our Mustangs were never offered with 3.73 gears from the factory, so the guys at Ford are telling me that they can't re calibrate the speedometer to work with the new gear ratio. This is no big deal if you have a custom tune because you can just put it in yourself.
It is going to cost you about $500 in labor to have your gears put in. In my opinion, you might as well spring the extra $175 or so for the T-lock, because later, when you find that your one wheel wonder rear end doesn't allow the tires to hook up, you will have to spend another $500 to have one installed.
To tell ya the truth, I was a little disappointed with the 3:73's. I thought that it would make a bigger difference than it did. When I read the posts, I got the impression that the improvement would be huge and it wasn't. On the bright side, the car is still very streetable, even on the highway. There might be a little difference in gas mileage, but it's small. One thing to think about, our Mustangs were never offered with 3.73 gears from the factory, so the guys at Ford are telling me that they can't re calibrate the speedometer to work with the new gear ratio. This is no big deal if you have a custom tune because you can just put it in yourself.
It is going to cost you about $500 in labor to have your gears put in. In my opinion, you might as well spring the extra $175 or so for the T-lock, because later, when you find that your one wheel wonder rear end doesn't allow the tires to hook up, you will have to spend another $500 to have one installed.
07-29-2007, 10:14 AM
#12
RE: 3.73 gears?
gear install will be $250-$400
mpsautosalvage.com has great used 3.73s for sale for $50, there is nothing wrong with used gears as long as the teeth are good, however i would suggest sacrificing the 1 extra mpg and going with the 4.10s, even with a centri blower, as long as you have better then stock rubber and some minor rear suspention work done 4.10s kick *** with centris
you dont need a tlok, but the stangs are open diff stock, which means when one tire looses tracion, only that tire spins, i would get one, or, if you adding boost/nitrous, check out the detroit true trac, its $420 from Drivetrainspecialists.com but that along with a TA rear girdle and you really shouldnt have to open the rear end again which would get my vote, do it once and be done
they make 2.73, 3.27, 3.31, 3.45, 3.73, 4.10, 4.56, and 5.22 for the 7.5" rear, no 3.90s and no 4.30s
mpsautosalvage.com has great used 3.73s for sale for $50, there is nothing wrong with used gears as long as the teeth are good, however i would suggest sacrificing the 1 extra mpg and going with the 4.10s, even with a centri blower, as long as you have better then stock rubber and some minor rear suspention work done 4.10s kick *** with centris
you dont need a tlok, but the stangs are open diff stock, which means when one tire looses tracion, only that tire spins, i would get one, or, if you adding boost/nitrous, check out the detroit true trac, its $420 from Drivetrainspecialists.com but that along with a TA rear girdle and you really shouldnt have to open the rear end again which would get my vote, do it once and be done
they make 2.73, 3.27, 3.31, 3.45, 3.73, 4.10, 4.56, and 5.22 for the 7.5" rear, no 3.90s and no 4.30s
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