Dismiss Notice

Welcome To CK5!

Registering is free and easy! Hope to see you on the forums soon.

Score a FREE t-shirt and membership sticker when you sign up for a Premium Membership and choose the recurring plan.

3/4t question

Discussion in 'The Garage' started by SUPERSUB87, Apr 22, 2007.

  1. SUPERSUB87

    SUPERSUB87 1/2 ton status

    Joined:
    Oct 16, 2006
    Posts:
    463
    Likes Received:
    0
    Location:
    TEXAS
    what were the stock gear ratios for an 88 suburban???
     
  2. Corey 78K5

    Corey 78K5 1 ton status

    Joined:
    Feb 17, 2000
    Posts:
    13,055
    Likes Received:
    0
    Location:
    Humboldt County, CA
    Depends on the year, but for the most part 3.73 4.11 or 4.56.....
     
  3. SUPERSUB87

    SUPERSUB87 1/2 ton status

    Joined:
    Oct 16, 2006
    Posts:
    463
    Likes Received:
    0
    Location:
    TEXAS
    fixed it^^^
     
  4. mini_mull

    mini_mull 1/2 ton status

    Joined:
    Jan 22, 2005
    Posts:
    1,198
    Likes Received:
    0
    Location:
    Queen Creek, AZ
    check the RPO codes in the glovebox, or pull the cover and count teeth.
     
  5. Corey 78K5

    Corey 78K5 1 ton status

    Joined:
    Feb 17, 2000
    Posts:
    13,055
    Likes Received:
    0
    Location:
    Humboldt County, CA
  6. SUPERSUB87

    SUPERSUB87 1/2 ton status

    Joined:
    Oct 16, 2006
    Posts:
    463
    Likes Received:
    0
    Location:
    TEXAS
    thanks for the link. ill check right now.
     
  7. Corey 78K5

    Corey 78K5 1 ton status

    Joined:
    Feb 17, 2000
    Posts:
    13,055
    Likes Received:
    0
    Location:
    Humboldt County, CA
    If they are stock axles then the front is a 10 bolt not a Dana 44.
    Here are the codes you need to look for I have also seen the tag on the fenderwells before.
    GT4 AXLE REAR,3.73 RATIO (DUP WITH 5X1)
    GT5 AXLE REAR,4.10 RATIO (DUP WITH GTS)
    GT7 AXLE REAR,3.33 RATIO
    GT8 AXLE REAR,4.10 RATIO (DUP WITH GT5)
    GU2 AXLE REAR,2.73 RATIO
    GU4 AXLE REAR,3.08 RATIO
    GU5 AXLE REAR,3.23 RATIO
    GU6 AXLE REAR,3.42 RATIO
    GV2 AXLE REAR,5.83 RATIO
    GWL SPRING REAR,9000 LBS CAPACITY
    GW6 AXLE REAR,3.27 RATIO
    GW9 AXLE REAR,2.93 RATIO (DUP WITH GU3)
    GX3 RATIO, TRAN SAXLE FINAL DRIVE 3.33
    G44 AXLE REAR,3.07 RATIO
    G50 SPRING REAR,HEAVY DUTY, VAR 1
    G51 SPRING REAR,HEAVY DUTY, VAR 2
    G52 SPRING,RR, 15000 LBS
    G60 SPRING REAR,AUXILIARY
    G66 LEVEL CONTROL,MAN, AIR
    G67 LEVEL CONTROL,AUTO, AIR
    G69 LEVEL CONTROL,AUTO, AIR, HD
    G80 AXLE POSITRACTION,LIMITED SLIP
    G87 AING GEAR,8.50 INCH
    G92 AXLE REAR RATIO,PERFORMANCE
    G95 AXLE REAR RATIO,ECONOMY
     
  8. SUPERSUB87

    SUPERSUB87 1/2 ton status

    Joined:
    Oct 16, 2006
    Posts:
    463
    Likes Received:
    0
    Location:
    TEXAS
    ok so it says 3.42. would that be ok for 37's? and it also says that i have a positraction, limited slip in the rear 14b. Is that like the gov lock?? the pumpkin of the 14b looks like a 10.5" ring gear. are those common?
     
  9. mini_mull

    mini_mull 1/2 ton status

    Joined:
    Jan 22, 2005
    Posts:
    1,198
    Likes Received:
    0
    Location:
    Queen Creek, AZ
  10. SUPERSUB87

    SUPERSUB87 1/2 ton status

    Joined:
    Oct 16, 2006
    Posts:
    463
    Likes Received:
    0
    Location:
    TEXAS
    positive. its a silverado package. the rear is a 14 bolt, it has the quad shocks. It also had the load arm on the rear axle. oh and its a 8-lug.
     
  11. SUPERSUB87

    SUPERSUB87 1/2 ton status

    Joined:
    Oct 16, 2006
    Posts:
    463
    Likes Received:
    0
    Location:
    TEXAS
    It says that the rpms will be running at about 2019. thats pretty weak isnt it?
     
  12. mini_mull

    mini_mull 1/2 ton status

    Joined:
    Jan 22, 2005
    Posts:
    1,198
    Likes Received:
    0
    Location:
    Queen Creek, AZ
    Wow, never heard of a 3/4ton w/ 3.42. I thought I had it bad w/3.73s. ;)
     
  13. SUPERSUB87

    SUPERSUB87 1/2 ton status

    Joined:
    Oct 16, 2006
    Posts:
    463
    Likes Received:
    0
    Location:
    TEXAS
    gee. thanks. with how much money ive put into this thing you would think i would get a break somewhere along the lines. but no. at least its a sexy
    B!+ch:bow:

    oh, one other thing. the rear looks like a 14bff(10.5), the casting number on the web is 15? what does that mean.
     
  14. mini_mull

    mini_mull 1/2 ton status

    Joined:
    Jan 22, 2005
    Posts:
    1,198
    Likes Received:
    0
    Location:
    Queen Creek, AZ
    Have you posted some pics of your beast somewhere? I wanna see.
     
  15. SUPERSUB87

    SUPERSUB87 1/2 ton status

    Joined:
    Oct 16, 2006
    Posts:
    463
    Likes Received:
    0
    Location:
    TEXAS
    ill do it this week. been meaning to. havent put the body lift on so it's to it's true height yet. the lift right now is 6" with some 37x13.50 nitto mudgrapplers on 18" procomps. (a little bling, still in high school). spent just about every penny ive earned on it 2.
     

Share This Page