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When do you have to regear?

Discussion in 'Wheels & Tires' started by wingshootin, Mar 7, 2010.

  1. Mar 7, 2010 at 6:03 PM
    #1
    wingshootin

    wingshootin [OP] Well-Known Member

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    Question for you guys and gals. I know this has been answered before but here goes again. When do you have to regear or when is it suggested. For example:

    I have a 3" lift on my 06 TRD Sport LB DC 4x4 with after market wheels. The wheels are 17x8 with a zero offset and 4.5 back spacing. I have and I am still thinking about doing a 6" lift kit but I do not know if I can justify the cost or not. Anyway my question is this....with my current set up when do I need to worry about having to regear? Whats the max tire size that I can go with without having to worry about regearing? I am leaning towards the 295 70 17's. Any info would be greatly appreciated. Thanks
     
  2. Mar 7, 2010 at 6:08 PM
    #2
    luk8272

    luk8272 Poodoo

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    Depending on what you do with your truck. As in do you wheel it alot or just want it looking good for when your in town. If its just for town your 3.73's should be fine even with 35's. Unless you need the lower gears for crawling on the trails. Just my $.02
     
  3. Mar 7, 2010 at 6:27 PM
    #3
    wingshootin

    wingshootin [OP] Well-Known Member

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    Its for both looks and fuctionality. I offroad every now and then. Mainly mud and red clay.
     
  4. Mar 7, 2010 at 6:31 PM
    #4
    ktmrider

    ktmrider Senior Member

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    general rule of thumb if you change your diameter by more then 10 percent then you should regear to get back inside the window. so i just used the tire size calculator, its a 5.2% difference so it wont be necessicary, but inorder to get the gas mileage and the power back you could regear to 4.27 but more likley 4.56 because it is hard to find the 4.27s for our truck
     
  5. Mar 7, 2010 at 6:40 PM
    #5
    wingshootin

    wingshootin [OP] Well-Known Member

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    Just the answer I was looking for. Thanks man.
     
  6. Mar 7, 2010 at 6:47 PM
    #6
    ktmrider

    ktmrider Senior Member

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    no problem I like your DCLB too
     
  7. Mar 7, 2010 at 7:19 PM
    #7
    RedTaco2134

    RedTaco2134 Well-Known Member

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    Don't forget if you have an auto and you have 35's with 3.73 gears. Your transmission could easily become overheated which Heat=Flinstones. 33's are fine I just bought a bigger transmission cooler. 6" lift you should definitely re-gear to get you power and gas mileage back as well as saving your auto.
     
  8. Mar 7, 2010 at 7:22 PM
    #8
    ktmrider

    ktmrider Senior Member

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    Its not completely necessary to regear if you dont have to. It puts extra stress on your transmission but some people go from stock size to 35s and run it for years. Im assuming your truck is 2x4? if it is the regear should run about 400 bucks, and you can totally regear a 2.7 5 lugger. Email allpro offroad, they carry gears for our trucks and they can direct you through. Also a bunch of people on here have regeared, and you can ask them. try http://www.tacomaworld.com/forum/2nd-gen-tacomas/59900-more-gear-ratio-s-4-56-a.html
     
  9. Mar 7, 2010 at 7:40 PM
    #9
    RedTaco2134

    RedTaco2134 Well-Known Member

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    Well I guess if the person never went off-road, I guess it would be fine. 35's with 3.73's and a stressed drivetrain, asking for problems..I could feel the power loss from the step up from 245/65/17-275/70/17(32"). My truck is very Lackluster compared to the 245's(30") Just my $.02
     
  10. Feb 22, 2011 at 3:15 PM
    #10
    RDAY

    RDAY Well-Known Member

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    roughly wut does it cost to regear our trucks at a shop
     
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