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Thread: new gears are in!

  1. #1
    Join Date
    Sep 2007
    Location
    San Antonio
    Posts
    194

    new gears are in!

    Finally got a chance to give my truck a little love and got some Yukon 4.56's and a trutrac installed on Friday.

    All I can say is I cant wait to get to Allens and get re tuned because its really weird driving it now with the shift points all out of whack and my abs not happy, so far it seems to be a great improvement.

    It is kinda funny to see my speedo go to 100 mph though in afternoon traffic on bandera road.


    Let me tell you what Melba Toast is packing here allright............

  2. #2
    Join Date
    Aug 2004
    Location
    Magnolia, TX
    Posts
    3,259
    right on! what size tires are you running?

  3. #3
    Join Date
    Sep 2007
    Location
    San Antonio
    Posts
    194
    33x12.50


    Let me tell you what Melba Toast is packing here allright............

  4. #4
    Join Date
    Aug 2004
    Location
    Magnolia, TX
    Posts
    3,259
    Quote Originally Posted by 05z71 View Post
    33x12.50
    should feel really good out of the hole, did you get your retune yet?

  5. #5
    Join Date
    May 2009
    Location
    Plainfield, IL
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    2,036
    That's lotta gear for that small of tire. Time for a lift!


    How much your mileage drop?
    blown transmissions are about as useful as 97% of the guys on this forum

  6. #6
    Join Date
    Aug 2004
    Location
    Magnolia, TX
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    3,259
    Quote Originally Posted by oleshifty View Post
    That's lotta gear for that small of tire. Time for a lift!


    How much your mileage drop?
    not really, about the same as a 30 w/ 4.10s. i'm sure he's doing better in the city, same or a little worse on the highway. i run 4.10s with a 29ish w/ 4.10s and love it

  7. #7
    Join Date
    May 2009
    Location
    Plainfield, IL
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    2,036
    I had 3.42 with 33's, and went to a 3.73 locker when I got 35's (full rear end really cheap with almost no miles)

    Once I go to 37's or 38's i plan on doing actual gear swap, its just SO much money out here.
    blown transmissions are about as useful as 97% of the guys on this forum

  8. #8
    Join Date
    Aug 2004
    Location
    Magnolia, TX
    Posts
    3,259
    Quote Originally Posted by oleshifty View Post
    I had 3.42 with 33's, and went to a 3.73 locker when I got 35's (full rear end really cheap with almost no miles)

    Once I go to 37's or 38's i plan on doing actual gear swap, its just SO much money out here.
    cool! "I" think you've been under-geared!


    i'd go 5:13's w/ 37 or 38 in a 2WD

  9. #9
    Join Date
    Nov 2003
    Location
    Fort Worth, Texas
    Posts
    600
    Quote Originally Posted by 2k5Squirrel View Post
    cool! "I" think you've been under-geared!


    i'd go 5:13's w/ 37 or 38 in a 2WD

    +1 on being under geared....

    Those 4.56's with the 33's 05z71 has are great for towing and "TRUCK" type use. I have 4.88's and 35's and love the way mine tows and daily drives....
    2002 Silverado 2500HD LB7 CCSB LT
    EFI Live by Rob at ATP, Edge CTS Insight DSP 5 control, S&B CAI, PPE boost valve, Pro Fab AIH, AirDog II 165, PPE WIF sensor delete plug, 5" stainless exhaust, Cognito braces & HD tie rods, H2's 315/70 R17 BFG's

    2004 Tahoe LT
    2006 Silverado Z71 LS
    1971 Chevy C10

  10. #10
    Join Date
    May 2009
    Location
    Plainfield, IL
    Posts
    2,036
    i've heard our casings can't really handle anything bigger then 4.10 with reliability, but i'm sure i'll go 4.56
    blown transmissions are about as useful as 97% of the guys on this forum

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