lock rite from a 40 to a 62?

Discussion in '60-Series Wagons' started by Mud Shark Rosey, Aug 6, 2005.

  1. Mud Shark Rosey

    Mud Shark Rosey

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    Hi all, been enjoying the forum for awhile now and am finally chiming in with a question.
    I have 77 FJ40 and a 88 FJ62. I am planning on taking the 40 off the road to do a restro on it and want to make my 62 a little off roadable. I have a lock rite in the 40 with 3:73 gears, I am wondering if I can put the lock rite into my FJ62 which has 4:10 gears? Also how much lift can i put on the 62 with out having to add shims to turn the diff?
    Thanks,
     
  2. stinkyfj60

    stinkyfj60

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    Yep, same Lockright Part#1630. Gear ratio doesnt matter with the locker...

    I would assume any spring lift needs shims in the front to correct the front diff.
     
  3. lcwizard

    lcwizard Supporting Vendor

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    you sure you have 3:70's in the 40?
    4:10's were stock that year
    Oh, and in theory a spring manufacturer will design the spring to require no shims. Messing with shackle length usually dictates whether or not you need shims. every 3/4" you add to a shackle changes the pinion one degree on a 44" spring ( FJ60 front, as an example )
     
  4. Mud Shark Rosey

    Mud Shark Rosey

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    Thanks guys. I justed wanted to make sure so I didn't take the locker out for nothing. Not sure why but it has 3:70.
     
  5. Godwin

    Godwin Resident Herpetologist SILVER Star

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    I've only pulled a Lockright once, but I found it more difficult to pull it than install it. Removing the springs without mangling or loosing them was the tricky part. You may want to have a spare set of springs on hand before yanking the Lockright.
     
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