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Gear swap

This is a discussion on Gear swap within the Drivetrain forums, part of the LSx Technical Help Section category; anyone did a gear swap. I havent purchased gears yet but gonna replace my 3.23's with 3.73's and was wondering ...

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    Senior Member Wheeler99WS6's Avatar
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    Gear swap

    anyone did a gear swap. I havent purchased gears yet but gonna replace my 3.23's with 3.73's and was wondering if this is an exhaustive operation? If you have done it stop in and let me know how you did it. I tried looking on ls1howto and installuniversity but no luck.
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    Senior Member mrr23's Avatar
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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    Its not easy! How much automotive knowledge do you have? (not that u have 2 be a genius) Do you have a dial indicator and basic tools? Most people wont attempt it or they have and screwed it up! Even some techs cant do it. I installed 4-11s in my 69 Chevelle with 500 horses and have no whining or problems ( and I beat on it ). Just post your questions and almost everybody will have some good advice to add!

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    Senior Member Wheeler99WS6's Avatar
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    Thanks, but I think I may just take my car somewhere for this install after I get them....lol.

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    Nitrous Tuner LS2Tuner's Avatar
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    Quote Originally Posted by Wheeler99WS6 View Post
    anyone did a gear swap. I havent purchased gears yet but gonna replace my 3.23's with 3.73's and was wondering if this is an exhaustive operation? If you have done it stop in and let me know how you did it. I tried looking on ls1howto and installuniversity but no luck.
    Take it to a shop and get them installed that way if it's not right and they wind or howl you can take it back and get it fixed....
    This is not the type of bolt-on you do yourself without extensive knowledge and tools to measure backlash.
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

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