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3.73 and 35's?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Impex, Aug 17, 2000.

  1. Impex

    Impex 1/2 ton status

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    3.73 and 35\'s?

    I just found out that i have 3.73 gears in my truck and i was wondering what 35s will run like with a 350? I have Code # GT4
     
  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Re: 3.73 and 35\'s?

    Not only do I also have 3.73's and 35's I also have the 4 speed and I think its fine [​IMG]. I've got a mild 350 headers etc. and with the 3.73's I've got lots of power. I also tow a 5000lb trailer through the mountains with it, again no problems. If you have an automatic it'll be even better.

    Rene <font color=red> 81 K-20 Jimmy </font color=red>
    <font color=green>[​IMG]"God hates a coward"</font color=green>[​IMG]
     
  3. 84k5

    84k5 1/2 ton status

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    Re: 3.73 and 35\'s?

    Depends what you want to do with it. I have 33s and 3.73, and I want something lower. You can always get the tires, then decide if you want to regear.

    Brian
    84k5, 4"Skyjacker lift,33x12.5 Goodyear MT/R, 15x10 Bajas
     
  4. CBLAZER81

    CBLAZER81 1/2 ton status

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    Re: 3.73 and 35\'s?

    I've got 35x15.5x15 Swamper SXs with 4.10 gears.They're a heckuva lot better than the old 3.08s but I wish I'd gone a bit lower.On the other hand my motor's a little tired too so that's also an important factor to consider
     
  5. Blazer1970

    Blazer1970 1/2 ton status

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    Re: 3.73 and 35\'s?

    It's not ideal, but it is definitely driveable. I have 3.42s with 33s on my Suburban, and it drives OK. I just don't use OD.

    Tim

    1970 Blazer CST 4X4 350 SM465 NP205
    1987 Suburban 4X4 350
    1988 Chevy Pickup 4X4 350
     
  6. MudFrog

    MudFrog 1/2 ton status

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    Re: 3.73 and 35\'s?

    Cool...I was just getting ready to post something on this. I'm looking at getting a 4" and 33"s. I have 3.42 gears and the gov loc. I was gonna see if you guys thought they would run alright for now if I stayed away from OD. It has a transmission cooler on it also. Reason I was asking is I ran 35" with 3.08 in my old truck and wen't through 4 tranny's in the year and a half I had it. How much do garage's usually charge to install differen't gears? I'd like to go with a 4.10 at the same time but it depends on the cost to install.

    89 K5 Silverado
    http://mudfrog.coloradok5.com
     
  7. WakeBoard&4X4er

    WakeBoard&4X4er 1/2 ton status

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    Re: 3.73 and 35\'s?

    Do you want to get rid of your 3.73s? I am looking for somthing lower, i have 3.08
     
  8. 6.2Blazer

    6.2Blazer 1/2 ton status

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    Re: 3.73 and 35\'s?

    To change the ring and pinion I would figure on around $400 per axle including the parts and labor.
     
  9. 4GUNZ4X4Z

    4GUNZ4X4Z 1/2 ton status

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    Re: 3.73 and 35\'s?

    3.73's n 35, I think thats a good combo. I run 36's and plan on swap'n gears to 3.73's it just depends on what you want em for. Fourwheel Parts Wholesaler will change the gears for about $500 an axle. Thats including the gears and kit. Not bad but if you do it yourself it will save you about $300 an axle. You can get the gears just about anywhere with lifetime guarantee for about $150, the kit for about $40, and lube for $10. Good luck.

    Professional JEEP EATER, it's a population control thing
     

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