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what rear diff gears should i put

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by 4.8chevysilverado07, Jan 10, 2010.

  1. 4.8chevysilverado07

    4.8chevysilverado07 Rockstar 100 Posts

    Ok I have a 07 silverado single cab with a 4.8 and I just blew out the gears in it. It had 3 23 gears now I can't decide between 3 53 with posi or 3 73 with posi.
  2. tbplus10

    tbplus10 Epic Member Staff Member 5+ Years 5000 Posts Platinum Contributor

    What do you do with your truck, does it tow a lot, highway driving, city streets? Is it a 4x4 with larger tires? If so what size?
    A little more info will get you a more informed answer that'll help solve your dilemma.
  3. 4.8chevysilverado07

    4.8chevysilverado07 Rockstar 100 Posts

    I use it for all those thing and for racing but it is not a 4x4 I want to get it faster but I don't wanna lord too much top end power or has milage

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