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As others aluded to, increasing gear ratio isn't always the silver-bullet to quicker acceleration....
1. You may complete erase the effectiveness of your 1st-gear through wheelspin... If you don't have the tire and/or chassis to STICK the gear-ratio you're running, then you're just "spinning your wheels" both figuratively and literally...
2. You want to match gearing with your torque and horsepower curves. There is indeed such a thing as "too much gear", whereby you're not optimizing the your peak power, staying too much to the high side of the tach, and the engine doesn't wind fast enough to make full use of the gear... This is one of those sciences that makes my head spin, and is better explained by someone more learned than myself... Best bet is to search online to find which ratio seems to perform best for those who have done the track-research, not just bench-racing.
But, bottom-line, I see alot of people toss in steep gears only to spend the first half of the track spinning their street tires off the line and sacrificing momentum as the car spins on up-shifts, and the second half of the track adding an additional shift to the mix...
I learned my first lesson on gearing back in 1991, when I swapped my stock 3.08's in my mildly-modded 14.00-14.10 GT Mustang for 3.73's, and lost two 10th's and 2 mph instantly...
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