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Thread: 4.11 gears vs 4.56 gears

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  1. #1
    Join Date
    Dec 2008
    Location
    South Carolina
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    794
    That's for the input skeet! What size tire were you running? I'm not too worried about the track, I'm more into the Mexico street racing . I'm thinking the 4.56 gear with get me in the powerband quicker get my heavy truck moving. The ported intake and cam seem to come alive around 4500. The truck is a dd so I just don't wanna make it miserable to drive
    2008 GMC Sierra SLE....370ci LY6 with some goodies SOLD
    1995 C2500- LS1 swap with a mp112
    build thread- http://www.ls1truck.com/forums/lsx-t...-ls1-swap.html

  2. #2
    Join Date
    Dec 2006
    Posts
    4,033
    i run a 29.5 tire now with a 4:30 gear BUT i also fixing to spray over 200 shot of nitrous, when i was motor with 4:56 i ran a 28" then moved to a 29.5 with 4:88, tire size didnt bother me as much it all depended on hooking on the track, in your case being on the street id go 29 or 30 and wide as you can for some type of traction.
    Simple: 408 on steroids!
    single digits coming soon!

  3. #3
    Join Date
    Dec 2008
    Location
    South Carolina
    Posts
    794
    Yea so with my 32" tires and heavy 20s, the 4.56 gear should be about perfect
    2008 GMC Sierra SLE....370ci LY6 with some goodies SOLD
    1995 C2500- LS1 swap with a mp112
    build thread- http://www.ls1truck.com/forums/lsx-t...-ls1-swap.html

  4. #4
    Join Date
    Dec 2006
    Posts
    4,033
    Quote Originally Posted by chvy=power View Post
    Yea so with my 32" tires and heavy 20s, the 4.56 gear should be about perfect

    yep!!!
    Simple: 408 on steroids!
    single digits coming soon!

  5. #5
    Join Date
    Dec 2008
    Location
    South Carolina
    Posts
    794
    Ok thanks man! Imma get some ordered up!
    2008 GMC Sierra SLE....370ci LY6 with some goodies SOLD
    1995 C2500- LS1 swap with a mp112
    build thread- http://www.ls1truck.com/forums/lsx-t...-ls1-swap.html

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