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4.10s won't make your car faster than 0-60 from 3.73s because you won't hit 60 in in 2nd gear, however they will be faster in the 1/4 mile but not by much. 4.10s gas mileage you won't lose any but you will top out at 105 mph in 4th gear rather 118-120 with 3.73s.
I would not change them if you ask me.
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4.30's FTW Fifth gear becomes usable5th gear drives like 4th used to before gear swap. 5th gear tops out at 180 for Cobra and 160 for GT, I dont know about you but id say it doesnt hurt top speed, and barely effects mileage.
I had 3:73's and i went to 4:10's best choice i ever made. My quarter mile time went to **** though becuase of no traction. That was when i was pretty much stock with the stock gears i ran 13.9 w/ 3:73's i went 13.8 with some traction issues then with the 4:10's i went to 14.1ish no fn traction so i bought lower control arms and DR's and went to 13.5 all day long. that was when i had very basic bolt ons.
I also don't drive on the highway now a days except to the track but i use to with them. I really didn't have a problem on the highway when i did made 5th gear more useable. hope this helps
Damn. 110 is maxed in 4th? I can hit 95 in 3rd... To the OP, upgrading from 3.73's to 4.10's in kind of dumb. It's not really worth the money unless you do the work yourself.
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