3.90 Gears Good or Bad
#42
I plan on doing 3.90's as well. However, I didn't find these gears from Strange gears website.. Do you have a link? And how much for a complete package (gears, bearings, etc)?
TIA
#43
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Join Date: July 29, 2004
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I had 3.90's and then went to the 4.10's. You won't notice a difference in gas mileage between the two, at least I didn't. I'd go with the 4.10's and be done with it.
#44
#45
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It's more a matter of playing with different ratio's till I find something I like. I just felt that when I was using the highways, mostly at 100km/h/60mph here, the 3.55's were a bit too low. Now I find the 4.10's a bit too high, especially if I drop stateside where the limits are 70/75mph. Like you, I got the gears for a decent price when I was in San Antonio the winter before last. They want roughly $400cdn here and I'll be making another trip stateside shortly for a better deal. I do the installs myself and save on the labor. As for the tires, I'll wait till the oem's wear out. I hope to take advantage of some of the factory take off wheel/tires if they're still available later. I prefer to keep my GT stock looking and wouldn't mind having a set of the factory painted aluminum wheels as well as my bright machined wheels.
#47
The 3.90s are a magic gear for the old car-4.10s were too much, 3.73's not enough, but the increased diameter of the tire package on the S-197 pretty much makes the 4.10's the equivilent setup.
#48
besides reduced MPG, what else about 4.10 gears makes other ratios better for a daily driver?? and what kind of drop in MPG are we talking about.. i've got an '07 GT and plan to fit some 20" wheels soon.
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