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Thread: HOW MUCH WILL 4.10 GEARS HELP VS. CURRENT 3.73 GEARS

  1. #1
    Join Date
    Nov 2005
    Posts
    9
    I ran 7.96@88.8 mph 1/8 mile and was disappointed. I got beat by my friend with identical engine setup, but he has 4.10 gears. he ran a 7.48@93mph.
    I don't think gears will make up that much, but will they hurt or help. I have 3.73 in it now.

  2. #2
    Join Date
    May 2006
    Location
    Waco TX
    Posts
    3,113
    They wont do anything but HELP. If you dont have to worry about gas mileage, go with 4.56's.
    DANIEL CAMMED SS 13.46 @ 98.17-- 8.58 @ 80.31

    2003 Silverado SS / LQ9 6.0L / Wheatley 93 Octane Tune / 224/228 .581 .588 110lsa / Patriot Gold Dual Springs / Comp Hardened Push Rods / Circle D 3800 stall / Pacesetter LT's / 4:10 Gears / Transgo HD-2 Shift Kit / K & N Cold Air Intake / Corvette Servo / Aeroforce Interceptor / Autometer Narrorband(Wideband on the way) / Mobile 1 Synthetic / Single Chamber Flows with X Pipe / Cats Delete with Cutouts


  3. #3
    On the top end they hurt you. Mine and my buddies truck have the same mods. Except he has 3.73's and I have 4.10's. From 30, i jump him by a fender, and from 95+ he starts to gain on me. From stop i jump him like 1-2 trucks, then again at 95+ he starts to gain on me.
    03' Silverado RCSB H/C 5.3, 4L80,76mm KBracing Kit
    13' Sierra Denali 2500HD CCSB 4x4

  4. #4
    Join Date
    Aug 2007
    Location
    Gramercy
    Posts
    945
    1/4 mile is all you should worry about
    after that, they can have it..

  5. #5
    Join Date
    Apr 2007
    Location
    Pittsburgh, PA
    Posts
    207
    yup in 1/4 & 1/8 they will help... on the highway at like 100mph they will hurt you... but who cares bout that lol. actually to be hoenst if you do alot of city driving wit your truck you mpg will go up if you do 4.10s if your at alot of highway speeds youll probably lose 1-2 mpg... im goin 4.10s in my sierra when i get the money

  6. #6
    Join Date
    Jul 2007
    Location
    Colleyville, Tx
    Posts
    734
    4.10's was one of my best mods i've done so far to my truck....I've been keeping all my timeslips and each time i do a mod i go to the track to see how much of a improvement it makes.. I'm not sure how much it will help you out since you have 3.73 gears but it will help out a little on your 60` times... with the factory gears in mine after i swapped my 4.10s in i dropped .2 tenths in the 1/8th.
    Last edited by whitesilvy04; 08-28-2007 at 10:40 AM.

  7. #7
    THEY WOULD ONLY REALLY BE GOOD FOR LONCH,BUT TOP END YOUR F-ED
    I WOULD GO WITH 355S THEY WORK GOOD FOR MY HEEP,I RAN A 9.1 IN THE 1/8..
    http://i153.photobucket.com/albums/s...t/100_1370.jpg


    1989 chevy,ls1 heads cam,mid headers,k&n coold air,flows,tunner,346 gers,1.5 eatin locker,18'' toqure lights,and short through.

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