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Thread: Gears Done... Finally!

  1. #31
    Join Date
    Aug 2007
    Posts
    1,105
    yeah i want 37s. so im thinkin of doin 5.13 gears
    2009 CHEVROLET 1500 with a MONSTER 4.8 between the frame rails!!

    Tuned by LSX Powersports ~ 4.10 ~ JBA Shorties ~ 4" Inlet/Outlet Spintech ~ Airaid Coldair
    CST 3.5" Spindles ~ Camburg Upper Control Arms ~ 2.5" CCM ~ FFR Tie Rods
    Full Throttle Suspension 3" Lift Blocks ~ Soft 8s wrapped in LT285/70/17 Silent Armors

  2. #32
    Join Date
    Nov 2003
    Location
    Fort Worth, Texas
    Posts
    600
    I'd stick with the 4.88's or do a 14sf swap when you do the 5.13's. The factory 10 bolt is weak enough by itself, add some 5.13's and 37's to that, and you know what happens. The pinion on my 4.88's was small as hell, and I bet the pinion on the 5.13's is rediculosly small. You'd prolly snap that pinion every time you took it offroad.

    Honestly, the 4.88's with 35's is a bit over kill, now that I've spent some time getting used to them. If anyone is sticking with 35's I'd say just go to 4.56's and call her good! I love the torque and response with the 4.88's, trust me she'll s*** and get. If I baby her I can get 14-15 mpg city and about 12-13 mpg highway running 65 mph. Bump that up to 70 mph and turning dang near 2400 rpm's and the gas mileage ain't so pretty!
    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

  3. #33
    Join Date
    Feb 2007
    Location
    Sallisaw OK
    Posts
    2,194
    Quote Originally Posted by 2001si3rr@ View Post
    I'd stick with the 4.88's or do a 14sf swap when you do the 5.13's. The factory 10 bolt is weak enough by itself, add some 5.13's and 37's to that, and you know what happens. The pinion on my 4.88's was small as hell, and I bet the pinion on the 5.13's is rediculosly small. You'd prolly snap that pinion every time you took it offroad.

    Honestly, the 4.88's with 35's is a bit over kill, now that I've spent some time getting used to them. If anyone is sticking with 35's I'd say just go to 4.56's and call her good! I love the torque and response with the 4.88's, trust me she'll s*** and get. If I baby her I can get 14-15 mpg city and about 12-13 mpg highway running 65 mph. Bump that up to 70 mph and turning dang near 2400 rpm's and the gas mileage ain't so pretty!
    thats one of the main reasons i went with the 4.56's. the pinion on 4.88s or higher gets too small and is not as durable.
    1996 gmc ext cab short bed
    6.6L 4l80e
    MY GARAGE

  4. #34
    Join Date
    Aug 2007
    Posts
    1,105
    i yeah i want a SAS and 40s one day but for now it's gunna be 4.88s or 4.56s.
    2009 CHEVROLET 1500 with a MONSTER 4.8 between the frame rails!!

    Tuned by LSX Powersports ~ 4.10 ~ JBA Shorties ~ 4" Inlet/Outlet Spintech ~ Airaid Coldair
    CST 3.5" Spindles ~ Camburg Upper Control Arms ~ 2.5" CCM ~ FFR Tie Rods
    Full Throttle Suspension 3" Lift Blocks ~ Soft 8s wrapped in LT285/70/17 Silent Armors

  5. #35
    Join Date
    Jan 2009
    Location
    Pittsburgh
    Posts
    20
    37's on a 10 bolts yikes! i question the longevity of that combo.....
    If You cant find em' Grind em'!

    04 ECSB 2500 hd, 5 speed-NV 4500, CAI, Bullets, 285 Mt's

    02 WS6

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