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Moser 9", should I get 3.73 or 4.10

This is a discussion on Moser 9", should I get 3.73 or 4.10 within the Drivetrain forums, part of the LSx Technical Help Section category; I am ordering my Moser 9" for my Trans Am next month. It is an A4, not a DD and ...

  1. #1
    JMAC Racing WS6ICK's Avatar
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    Moser 9", should I get 3.73 or 4.10

    I am ordering my Moser 9" for my Trans Am next month. It is an A4, not a DD and Im 430hp at the rear wheels. I am running 26" tires and the car see's mostly the track. Should I get 3.73 gears or 4.10 gears? I would also like to add a 150 shot of wet nitrous in the future.
    2010 Camaro
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    Slow'er'Ass Mr. Luos's Avatar
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    4.11

    How far out is the nitrous?

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    Member BlueMagicSS's Avatar
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    I'd go with 3.73's for an A4.... at the most 3.90's.... just my .02

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    JMAC Racing WS6ICK's Avatar
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    Quote Originally Posted by Mr. Luos View Post
    4.11

    How far out is the nitrous?
    Hopefully Nitrous by summer. Do you not think 4.11 is to low for an A4? I was worried about my speed at the trap.

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    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by WS6ICK View Post
    Hopefully Nitrous by summer. Do you not think 4.11 is to low for an A4? I was worried about my speed at the trap.
    Can you run a 27" tire?

    What does the car trap now?
    www.f-body.org/gears

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    I lika da Chevy's LETHALxLS1's Avatar
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    Just run the 1/8 mile tracks if the 4.11's are too low= problem solved!!!! J/K!!!

  7. #7
    JMAC Racing WS6ICK's Avatar
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    Quote Originally Posted by Mr. Luos View Post
    Can you run a 27" tire?

    What does the car trap now?
    www.f-body.org/gears
    It traps at 107mph in Pueblo with stock 10 bolt and 3.73's.
    Last edited by WS6ICK; 12-10-2008 at 09:15 PM.

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    2 SS's are better than 1 Jays00ss's Avatar
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    3.90's IMO.

    I have 4.30's in my 9" with an m-6 I trap at about 111 right now at Bandimere with 410 rwhp, with 26.5" tires.
    2000 SS Camaro Heads, Large cam, Fast 90, 9"w/430's and locker, yada yada yada... you get the picture

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    Member cuzimoto's Avatar
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    Pretty sure that youll run out of motor with N2O and 4.11. Mines an M6 with 150 shot and my shift light comes on as i go through the traps @ 122-123mph. My gears are F**ked up and i need new ones (moser 12 bolt). I know if i go with 4.11 it will require a shift to fith gear in the 1/4.

  10. #10
    TJEA Retirement Home Dr.Crash's Avatar
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    Quote Originally Posted by WS6ICK View Post
    It traps at 107mph in Pueblo with stock 10 bolt and 3.73's.
    Whats your ET?

  11. #11
    JMAC Racing WS6ICK's Avatar
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    Quote Originally Posted by dr.crash View Post
    whats your et?
    12.7

  12. #12
    JMAC Racing WS6ICK's Avatar
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    2000 Trans Am WS6 LS6
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    Moser recommends I go with 3.90

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