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4.10

This is a discussion on 4.10 within the Drivetrain forums, part of the LSx Technical Help Section category; This is to the people who have 4.10 RnP? I want to know if you're drinving around 75 m/h what ...

  1. #1
    Junior Member
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    2001 trans am

    4.10

    This is to the people who have 4.10 RnP? I want to know if you're drinving around 75 m/h what is the RPM at? in My T/A is around 2000 RPM? I want to know at what RPM would it be ?

    If i want to install 4.10 do i have to change anything else?
    I drive my TA everyday in highways so would it be better if i go with the 3.73 or 3.91 or 4.10
    and I really want to understand what stalling means???
    Last edited by ananmech; 04-03-2008 at 07:55 AM.

  2. #2
    2 SS's are better than 1 Jays00ss's Avatar
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    NBM / Silver
    00 SS / 71 SS Elcamino

    with my 4.30 gears in my 9" with 275/40/18's @75 mph I am turning 2050-2100 rpm.
    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

  3. #3
    Member ultra_badass's Avatar
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    navy blue matallic
    2000 WS6 trans am M6

    4.10's still junky 10 bolt stock tiers im sitting about 1900 rmp and i love it 6th gear is no longer uselesss

  4. #4
    Drag racing is a disease! RacerBob's Avatar
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    Maroon
    2000 Z28

    Quote Originally Posted by ananmech View Post
    This is to the people who have 4.10 RnP? I want to know if you're drinving around 75 m/h what is the RPM at? in My T/A is around 2000 RPM? I want to know at what RPM would it be ?

    If i want to install 4.10 do i have to change anything else?
    I drive my TA everyday in highways so would it be better if i go with the 3.73 or 3.91 or 4.10
    and I really want to understand what stalling means???
    From the last line, I will assume that you have an A4.

    I have not re-programmed my speedometer yet, but at about 70 mph, I am at 2400 rpms with 245/50R16 tires (just under 26" dia.).

    Do you have to do anything else? That's a topic that has been beat to death here. My opininion, go with an aftermarket rear if you will be making decent power, putting sticky tires on, or both.

    Here is a link that will help you understand stall speeds associated with a torque converter: http://www.exoticperformanceplus.com....html?item=809

    You can also search this site to find info about stall. Some of our sponsors and members have posted some great info.

    Good luck with your build.
    Drag racing...just another numbers game.

    Vortech Super Charger, 9" w/4.11, 3200 Stall, BMR SFC, BMR TracPak, !MAF screen, 160 T-Stat.

  5. #5
    Senior Member slims00ls1z28's Avatar
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    2005 GTO M6 Black
    2000 Z28 A4 Red

    I have 4.11's in my Z28 with an auto. 75 was roughly 2500 rpm.

  6. #6
    Driving like i stole it!! dafizzman1's Avatar
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    Arctic White
    1998 Formula

    6th gear is about 2000rpms..

  7. #7
    Member TedsB4Csled's Avatar
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    white
    2002 B4C

    I have A4 with 373 and it is about 2400rpm @ 75mph. Not happy with that on highway for gas mileage, but it pulls a lot better.

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