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Truck gearing question?

This is a discussion on Truck gearing question? within the Drivetrain forums, part of the LSx Technical Help Section category; Just curious whether to get 3.73's or 4.10's in a new truck? The 3.73's would be better on gas correct? ...

  1. #1
    Member adam3566's Avatar
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    Truck gearing question?

    Just curious whether to get 3.73's or 4.10's in a new truck? The 3.73's would be better on gas correct? Not really worried about towing anything.

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    Just a farmboy V8MUSCLE's Avatar
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    correct. the smaller the number the more the tire will turn per revolution of the engine.

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    2 SS's are better than 1 Jays00ss's Avatar
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    I have 3.73's in my 04 F-150 FX-4. I hate them no acceleration at all. Trucks need at least 4.10 gears. if not 4.30's. Gas mileage is out the window when you buy a truck anyway.
    2000 SS Camaro Heads, Large cam, Fast 90, 9"w/430's and locker, yada yada yada... you get the picture

    1971 SS ElCamino 402 Big Block 550HP

    2006 Silverado 2500HD 496 cubic inches of pure muscle

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    Member adam3566's Avatar
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    Yes I know that but im buying it for my father, and he doesn't care whether it goes 0-60 in 3 seconds or 0-60 in 8 days. So I would rather get him the best gas mileage, me personally i could give two shits about gas mileage.

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    2 SS's are better than 1 Jays00ss's Avatar
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    Quote Originally Posted by adam3566 View Post
    Yes I know that but im buying it for my father, and he doesn't care whether it goes 0-60 in 3 seconds or 0-60 in 8 days. So I would rather get him the best gas mileage, me personally i could give two shits about gas mileage.
    Well then, I think ford's standard gear In a f-150 is a 3.55 I don't know about chevy but should be close to the same. Don't buy a truck with a towing package or the gear will change.

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    Quote Originally Posted by Jays00ss View Post
    Well then, I think ford's standard gear In a f-150 is a 3.55 I don't know about chevy but should be close to the same. Don't buy a truck with a towing package or the gear will change.
    I disagree... tow packages usually come with other goodies like heavy duty cooling, battery, and sometimes a p/s cooler. Even if you don't tow, they're nice things to have, and certainly don't hurt resale.

    What kind of truck is it? If it's a GM 3.73's should be okay. If it's a non-Hemi dodge, go with the numerically higher ratio, those trucks can't get out of thier own way. Every little hill causes it to kick out of OD, and there goes your mileage anyway.

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    Member red99ws6's Avatar
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    my dad bought a Z71 with 4:10 and the gas mileage was actually about the same as his old '93 with the 3:42 gears. not that either one got very good but there wasnt much difference

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    Local Idiot Selah's Avatar
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    My dad has an '00 z71 and complains about his gas mileage all the time. I always tell him if he wanted good mileage he should have bought a Honda.

    trucks are like muscle cars. No one should buy one for economic purposes.

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