33 s or a 5 speed

Discussion in '40- & 55-Series Tech' started by SEANMILA, Feb 27, 2007.

  1. SEANMILA

    SEANMILA

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    i have a 75 55 it had 235 75 15 tires on it . last night i put 33 s on it. will this get me gearing that i want or is a 5 speed gonna be next. how much will this throw my speedo off antone know
     
  2. D'Animal

    D'Animal Rescuer of Beagles & Landcruisers Moderator

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    I use my GPS to track my speed. Most speedometers are not that acurate over 50mph.
     
  3. Coolerman

    Coolerman SILVER Star

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    Do a quick search for Speedometer correction. This should point you to a site where you can calculate your speedo error. There are some replacement speedometer gears for correcting the error. Most folk just deal with it or as mentioned use a GPS to see how fast they are really going.
     
  4. surfpig

    surfpig The Anti-Tech

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    I borrowed a buddy's GPS when I got new 33s:

    16.666% overdrive is what I got. For quick calculations I add 15% to my MPH and and mileage.
     
  5. fussy_cruiser

    fussy_cruiser

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    Depends on what you want? I have 33's and 3.73 gears, works great @ 65 ~2400 RPM. Make sure you get a tac, then you know approx how fast you are going depending on the RPM's.

    I just follow traffic or keep it between 55 and 65 on the speedo.
     
  6. 65swb45

    65swb45 Elder Statesman Supporting Vendor

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    That's the same amount of overdrive the H55 offers...............for a LOT LESS MONEY! And you get ground clearance to boot!:bounce:
     
  7. D'Animal

    D'Animal Rescuer of Beagles & Landcruisers Moderator

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    I use little pieces of tape stuck on speedometer. That way, anybody who drives my rig knows how fast they are going.
     
  8. VTFJ40

    VTFJ40

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    Not getting how that would work, unless the tape got bigger as you went faster.;)
     
  9. D'Animal

    D'Animal Rescuer of Beagles & Landcruisers Moderator

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    Too Funny! LOL


    When I'm driving 55 the speedo is registering about 43. I put a peice of tape about the 43mph mark on the speedo that says 55.

    When I do 55 on the speedo I'm really close to 70mph. I put a 70mph on the 55mph mark.
     
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