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Simple options to reduce for higher speeds?

Discussion in '40- & 55-Series Tech' started by Romer, Oct 6, 2003.

  1. Romer

    Romer fatherofdaughterofromer Moderator

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    I have a 77 Cruiser with a stock engine and tranny. When I get over 50 MPH the reps on the engine are loud. I expected that for a Land Cruiser. I have seen options to change out the tranny. Are there simplier and less expensive options that would give me a little bit. It's hard to afford all the "I wants" at one time.

    I just want to be able to drive it on the highway without worrying if the engine will blow. I did that in a 73 cruiser about 20 years ago.

    I heard bigger tires will help, but I don't want to make it more dangerous on ice.

    Thanks
     
  2. Mike S

    Mike S

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    I plan on going with the 5 speed H55F tranny and taller tires. Even in my 60 it's SLOW.

    Had a 71 FJ40 and drove the snot out of it for 150k miles - a lot of it at top speed. I do NOT reccomend this option. Replaced Tcase and eventually the head. Overdrive is called for here, I think.

    Mike S
     
  3. hammerhead

    hammerhead

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    Tall tires = Poor mans overdrive
    I run 35s and don't think the larger diameter is a handicap in the snow and ice. I'm a snowmobiler and pull a trailer full of sleds with a 40. No problem.
     
  4. godzilla

    godzilla

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    I agree with hammerhead, put bigger tires on. You'd be amazed at what a 31" tire can do for your top end. And that is a modest increase in tire size.
     
  5. thorvald

    thorvald .......

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    bigger tires, just make sure your brakes are in good order. check all the wheel cylinders for leaks, etc.
     
  6. DanKunz

    DanKunz SILVER Star

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    Go slower...they were never intended to get over 65 to begin with! :D
     
  7. woody

    woody unhelpful spotter Staff Member Admin

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    31x10.5 or 33x10.5 Both available in a BFG All Terrain for snow use (I run a 33x10.5 MT tho on my daily driver pickup with no complaints - Wisconsin)

    Keeping the tread narrower will help with road/winter driving.

    Unfortunately, the OD does nothing for your t-case, it only reduces your engine speeds.

    Another option would be installing 3.70 gears to replace the 4.11's in there now....might even get lucky and find a 79+ owner interested in swapping.