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Going To 4:10's

This is a discussion on Going To 4:10's within the Manual Transmission forums, part of the Drivetrain category; At 70 MPH my speedodometer reads 1600 RPM's with 3:73's 4:10's what will my RPM's read at 70MPH.? Thanks in ...

  1. #1
    Member StoreKeeper99Z28's Avatar
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    Question Going To 4:10's

    At 70 MPH my speedodometer reads 1600 RPM's with 3:73's

    4:10's what will my RPM's read at 70MPH.?

    Thanks in advance


    Rx Bruce/StoreKeeper99Z28
    99Z28/M6/ 4:10s/Cam (233/233/578/578 113) lsa MMS Aggressor/ AFR (Mongoose) Heads /Pro5 with Lou's Short Stick/Ported LS6 Throttle body/MidLenth Headers /Custom 3" Y-Pipe and various other Mod's

    CMS E/Street Tune
    437 RWHP/ 398 Torque

  2. #2
    2 SS's are better than 1 Jays00ss's Avatar
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    black
    01 ws6

    At 70 with my 4.10 gears and my 17" zr1 315 rear tires My speedo reads around 1900 or so

    I get about 23 MPG but all I got is longtube headers, stock exhaust with a cutout (almost always open) a lid, and suspension. Through the 6 speed

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    Senior Member INMY01TA's Avatar
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