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Thread: Which gears do you guys with the swap in a obs prefer 2 wheel drive

  1. #1
    Join Date
    Sep 2011
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    Which gears do you guys with the swap in a obs prefer 2 wheel drive

    Which gears do you prefer for seat of the pants feel and overall driving, I have 3:42's now and I can't decide if I like them or not, the truck runs good but think it could be better, it will get up and go on upper end but feels like it could use a lower gear on the bottom end

  2. #2
    Join Date
    Oct 2011
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    Then its time for 4.10s.... or 3.73s


    4.8, TSP 220, 6L90 swap, 3400 Stall, 4.10s w/30" drag radial and T76 @ 16lbs.
    Best ET 11.54@114 w 1.52 60ft
    Raceweight 4905 lbs.

  3. #3
    Join Date
    Sep 2011
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    Quote Originally Posted by RS/SS 4.8 View Post
    Then its time for 4.10s.... or 3.73s

    I was thinking 3:73's, 4:10's would not be good for any kind of gas mileage

  4. #4
    Join Date
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    The difference from 3.42 to 3.73 will be very hard to even notice.
    single digit street truck


    for build info

    http://www.ls1truck.com/forums/my-ga...cs-garage.html

    The best advice I have ever heard:... Only take B( . Y . )ST advice from someone that is CURRENTLY running a turbo setup close to, or bigger than what you want......

  5. #5
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    Quote Originally Posted by 1991SSP View Post
    I was thinking 3:73's, 4:10's would not be good for any kind of gas mileage
    im not tryin to be mean. but ur askin us advice on what gear to get for bottom end, we tell you, and now ur worried about gas mileage! why?

  6. #6
    Join Date
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    THE MEAN STREETS OF OKLAHOMA
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    i get 21 mpg with 4:10s rpms at 2300-2500 65-70mph, if youre wanting more power, or wanting a street rod quit worrying about gas mileage, you can have one or the other...choose one.
    THEY CALL ME G.

    AZRAEL

    2017 RZR 1000 2 SEATER
    2023 RZR 1000 XP 4
    2008 LTZ DURAMAX 3500
    2023 300S 5.7
    2023 BUICK ENCORE[/B]

    The difference between winning and losing, is having a 2nd stage.

  7. #7
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    Sep 2011
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    Quote Originally Posted by Botlfed View Post
    i get 21 mpg with 4:10s rpms at 2300-2500 65-70mph, if youre wanting more power, or wanting a street rod quit worrying about gas mileage, you can have one or the other...choose one.
    Dang you guys are harsh, but I asked for it!!

    What kind of transmission you running and getting that kind of mileage??

  8. #8
    Join Date
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    Quote Originally Posted by 1991SSP View Post
    Dang you guys are harsh, but I asked for it!!

    What kind of transmission you running and getting that kind of mileage??
    He had a 4l60 and a 4l80. I believe that mileage was with the 60e

  9. #9
    Join Date
    Nov 2007
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    Quote Originally Posted by pl4yboy View Post
    He had a 4l60 and a 4l80. I believe that mileage was with the 60e
    I was getting the same mileage outta both trans, overdrive ratio is the same inboth trans.
    THEY CALL ME G.

    AZRAEL

    2017 RZR 1000 2 SEATER
    2023 RZR 1000 XP 4
    2008 LTZ DURAMAX 3500
    2023 300S 5.7
    2023 BUICK ENCORE[/B]

    The difference between winning and losing, is having a 2nd stage.

  10. #10
    Join Date
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    Honeywood, Ontario
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    6,994
    5.13s.
    2006 Silverado
    Little Black Bitch

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