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35s or 33s

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by muddysub, Jul 10, 2001.

  1. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    i have a 4" lift, 3.73 gears and a pretty old tbi 350 (155kmi) along with a th350/np241combo in my 89 suburban. it's a daily driver/ weekend off roader, so what i'm asking is; would i be better off with 33"s or 35"s. to me 35"s look better. i can afford 33" boggers or 35" pro comp mud terrains. which ones?

    scott,
    1989 suburban 3/4t 4" lift soon to be rollin on 35s, tbi350
     
  2. Pugsley

    Pugsley 1/2 ton status

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    I'd go with 33's. 35's will put alot of strain on it during daily driver duty, particularly with 3.73's.

    <font color=red>Cripplefight!!</font color=red>
    <A target="_blank" HREF=http://pugsley.alloffroad.com>http://pugsley.alloffroad.com</A> Updated finally[​IMG]
     
  3. zrobbinsk5

    zrobbinsk5 Registered Member

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    i run a 4" superlift and i like the looks of the 33's. Plenty of room yet still a decent size tire. and especcially in a daily driver, i would think that 33 would be the way to go.
     
  4. Sparky87k5

    Sparky87k5 1/2 ton status

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    As a daily driver, you would be better off with 33's. Less wear on drivetrain, fits your axle ratio better and won't kill fuel mileage as much. 35's will fit but you'll be happier with 33's when it's all said and done. Better choice for daily use.

    87 K5, D60 & 14FF, 5 sp & NP208 & 383 stroker. Build it Bulletproof and take it fishing!
     
  5. denver75k5

    denver75k5 1/2 ton status

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    I agree with running 33's , I run on 35's and had to go down to 4:56's to get the spedo somewhat on.

    "The more Beer , The Harder the Trail!"
     
  6. sanssocs2

    sanssocs2 Registered Member

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    i put 36x12.50 TSL SX's with a 4 inch lift.. it looks good. rubs just a little.
     
  7. BlazerGuy

    BlazerGuy 3/4 ton status

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    If your not gonna swap out drivetrains dont go with 35's especially with it being a daily driver. Although I do agree 35's look better compared to 33's!

    Murphy's Laws on Life:
    "A bird in the hand is worth three Kleenex."
     
  8. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    isn't my 3/4 ton suburban drive train strong enough for 35"s? i think it's strong enough, am i wrong? however i can see how being a daily driver would be harder with 35"s than 33"s. thanks guys i guess i'll look into some 33"s.

    scott,
    1989 suburban 3/4t 4" lift soon to be rollin on 35s, tbi350
     
  9. johnnysjimmy

    johnnysjimmy Registered Member

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    I had 33's on my 88' 1/2 ton sub without a lift and loved them. I have 35's on my 73' Jimmy with 8" of lift and I love them too so it really boils down to what you want

    73' GMC Jimmy 8" lift and 35" tires.....14 boltff and big 10 bolt on the way
     
  10. Sparky87k5

    Sparky87k5 1/2 ton status

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    Being "strong enough" is a double edge sword. Yes, your axles can handle 35's but brakes, bearings, axle shafts, u-joints and driveshafts will be stressed to a greater degree with 35's than with 33's. Your front axle is basicly a 1/2ton version with 8 lug brake rotors. Will a 10 bolt axle survive 35's, probably but 33's will for sure in a daily driver. You'll notice far better braking with 33's verses 35's. Most of the answers you received came from those that have been there and done it. Respect their knowledge and you'll save a lot of money down the road.

    87 K5, D60 & 14FF, 5 sp & NP208 & 383 stroker. Build it Bulletproof and take it fishing!
     
  11. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    thanks a-lot guys you just convinced me to go with 33"s!!!
    thank you very much!!!

    scott,
    1989 suburban 3/4t 4" lift soon to be rollin on 35s, tbi350
     
  12. Piranha300

    Piranha300 Registered Member

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    What about 31s compared to 33s. I have 91 k5 silverado with no lift but it seems to set somewhat high.
     
  13. Mreetz

    Mreetz 1/2 ton status

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    I put a 4" lift on my K-5 and installed 35x12.5s. Haven't had any problems and I really like em!

    1984 K-5
    4" lift
    35x12.5 MTs
    buildin a 400 for it, any info greatly appreciated
     
  14. shawnboy

    shawnboy 1/2 ton status

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    I'd go to the 32" or 33" I run both on my trucks one addaleaf and the other 3" and theywork great on either
    truck.
    Shawnboy.

    If you are having too much fun it's probably illegal.
     
  15. MudbogAD

    MudbogAD 1/2 ton status

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    It all depends what you want Scott. I have had 35's on my truck for 7+ years. My 10-bolt front has never had a problem. My u-joints, bearings and axle shafts in my 10 bolt has never had problems. I do think that 33's would do you better for a daily driver especially with 3.73's but I don't think that 35's would hurt to much either unless you tow things or carry loads. Overall go with 33's.

    Adam,
    79' Jimmy, 35" Big O MT's, 350, NP205
     
  16. 84_Chevy_K10

    84_Chevy_K10 Banned

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    My friend has an '81 K20 Sub with 44s on the stock axles. Yes it's strong enough for 35s no problem. You just don't have enough gear for a bigger tire. 33s is the max I'd go with 3.73s.

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     
  17. TX Mudder

    TX Mudder 1/2 ton status

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    I'd go with 35's.
    The 33's will be less stress, but it really depends on the wheeling you do. You didn't mention extreme rockclimbing, so I'd say go for the 35's. If you get the 33's you will eventually wish you had the 35's.
    And don't pay any attention to the 44's on a 10-bolt thing. That is wrong for so many reasons.
    -- Mike

    <font color=blue> At some point I'll be done building my truck and can actually go wheeling. Until then, I guess sex and alcohol will have to do. [​IMG]
     
  18. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Want pictures Mike? There are NO K30s or Dana 60s around here under lifted trucks at all that I know of. There just aren't any. All the Chevys have D44s or 10 bolts. Two of my friends have trucks with 44s, one has 39.5s (that one has a really torquey big block) and a few have 38s. D60s aren't an option for us, because their aren't any. They want the big tires, and that's what they run. You can say whatever you want, you can talk u-joints, wheelbearings, whatever all day long, I don't care. I've personally seen all of these trucks move both on and off-road, and only seen the truck with 39.5s break once (spider gears, due to insane driver and 454).

    So talk all you want, these trucks are real.

    Back to the topic.....get some 35s and run them, see how your truck does. I don't think I'd want 3.73s and overdrive. You might have to drive in 3rd all the time. 700R4s aren't extremely strong either, but they'll take it if the rearend gear works out. I think with 3.73s, overdrive won't be of any use. It'd be about 1500-1600 at 65 MPH.

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     

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