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Old 08-29-2009, 04:44 PM   #1
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Gears..?

This is just a question, I'm not really looking to do this to my car.

I see lots of posts about getting new gears and such and they usually are somethin' like 3.73. What does all this mean? I'll admit I'm not the most car savvy person
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Old 08-29-2009, 05:37 PM   #2
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Re: Gears..?

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Originally Posted by ThaBear14 View Post
This is just a question, I'm not really looking to do this to my car.

I see lots of posts about getting new gears and such and they usually are somethin' like 3.73. What does all this mean? I'll admit I'm not the most car savvy person
It's a ratio. For every 3.73 turns of the driveshaft, the wheel will turn one time. Numerically higher gear sets will give you better acceleration out of the hole, but you'll sacrafice by running at higher rpms for a given speed. That's my real quick explanation
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Old 08-30-2009, 12:30 AM   #3
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Re: Gears..?

^Yup, dead on.

If you sat under your car and turned the driveshaft 3.73 turns (think 3 turns and just under 3/4 of the fourth rotation) the back tires will fully turn once (one revolution). good to know if you ever have to figure out gears. This would be for 3.73 gears.

3.73, 4.10, etc... are all just a sort of shorthand. It's really a 3.73:1 ratio, or 4.10:1 ratio.

The steeper (higher ratio) of the gear, the quicker your car will accelerate. This is the only real benefit for them but it really is an amazing benefit. They will not add horsepower and the only real negative side effects include going through the gears faster because of the higher RPMs and your gas mileage may also be affected by 1 or 2 MPGs. Some drivers have reported an increase by this much though as well.

As a rule of thumb manual transmissions will upgrade to the 3.73 while automatics will go for the higher 4.10 but it's up to personal preference on which ratio to choose, and there are plenty of other options out there too.
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Old 08-30-2009, 10:07 AM   #4
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Re: Gears..?

Alright thanks guys that makes perfect sense now.
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