BJ73 Landcruiser

Discussion in 'Outdoor Transport' started by gimp, Dec 13, 2015.

  1. gimp

    gimp By Popular Demand Staff Member

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    Are these the parts I would need for a 50mm lift? Anything else?

    4WDbits Landcruiser BJ/FJ/HJ/HZJ/PZJ 70/73 50mm Lift Front Leaf Springs 70 to 100kg 1 Pair
    4WDbits Landcruiser BJ/FJ/HJ/HZJ/PZJ 70/73 50mm Lift Rear Leaf Springs 1 Pair
    4WDbits Landcruiser BJ/FJ/HJ/HZJ/PZJ 70/73, FJ/HJ/FZJ/HZJ 75, Std - 80mm Lift Front Shock Absorber
    4WDbits Landcruiser 60 10/85 On, BJ/FJ/HJ/HZJ/PZJ 70/73, Long Travel Rear Shock Absorber

    Presumably need some bushings, shackles, u bolts also?

    Also where's the best aka cheapest place to get some 33/10.5/R15 BFG ATs ? presuming they'll fit the rims


    Also also anyone got a solution for a minimal bar that will fit over the PTO winch?
     
  2. MassiveAttack

    MassiveAttack Well-Known Member

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    If you are going to do the suspension then it's worth replacing the steering stabilizer as well and if you are going to do that then you should probably replace the tie rod ends.

    Bushings will need replacing. You can either go with rubber and standard shackles or nolathane type synthetic bushes and greasable shackles, the rubber ones shouldn't be greased. U bolts are also a must replace item (which also means you can just cut the old ones off) but the shackles should be ok assuming they are not damaged.

    Don't forget to unhook the brake line before you drop the axle out. It's not called the break line for nothing.
     
  3. gimp

    gimp By Popular Demand Staff Member

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    Cheers

    Is a 3B grunty enough to spin 33s or stick with 31s?
     
  4. MSL

    MSL Well-Known Member

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    The 33's will suck the life out of it. Went from 31 bfg at's to 32 mickey t muds and fuel consumption increased by 1.6l per 100, and a noticeable drop in grunt
     
  5. gimp

    gimp By Popular Demand Staff Member

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    That's good data but a shame
     
  6. Timmay

    Timmay Well-Known Member

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    You have 8"? Diffs? You will be fine with 31's. Even more so if it's a shorty
     
  7. gimp

    gimp By Popular Demand Staff Member

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    Middy. I think the BJ73 has 8 inch diffs yeah. I need to make a trip to Palmy to actually pick it up.
     
  8. MassiveAttack

    MassiveAttack Well-Known Member

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    Within the 8 inch diff there are different ratios being 4.11 and 3.77. I think 5.29 is available after market. You won't know which one you have without spinning tyres and counting turns. I put a new diff in mine at one point, wondered why it made so much noise off road only to find I had 4.11 in one end and 3.77 in the other.

    I put 33s on my 40 and they are awesome. 3b should spin them I would have thought but 3b isn't way you would call grunty so you are not going to get anywhere in a hurry.

    It's worth noting that a spring lift doesn't mean you can fit bigger tyres. When the suspension is fully bottemed out then you will be resting on the bump stops just like you did with the old worn out suspension. I had to extend my rear bump stops to fit 33s and they still rub on the inside of the rear mud guards.

    Most of the 4wd club guys also do a small body life to help fit the bigger rubber.
     
  9. mickey

    mickey Member

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    you probably have the bigger 9 inch diffs. (a copy of the chev 12 bolt).
    the coil sprung bundera/Prado's came with 8 inch diffs.
    the later 70 series came with 9 inch in the rear & a 8 inch high pinion in the front, but I'm pretty sure these has coil front suspension.
     
  10. distant stalker

    distant stalker dog chaser

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    New truck seems a pretty extreme alternative to replacing the clutch in your surf...
     
  11. gimp

    gimp By Popular Demand Staff Member

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    I always wanted a Landcruiser...

    It's leaf sprung in the front

    E: oh yeah you meant the 79 series, yeah they're coils up front
     
  12. Roddy

    Roddy Well-Known Member

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    You will fine with 33's, yes its a bit slower, a bit more gas but nothing to drastic and you soon get used to it. I had a 70 with a 3f, went from 31's, then 33's then 37's :wtfsmilie: and then back to 35's

    The 37's were a bit over the top, never had to use 5th gear and you were never in a hurry to stop, but it made up for it with the approach and departure angles, and it looked cool on 37's.

    Just like rifles, assholes and opinions, everyone has one... Just get it, drive it, enjoy it, the upgrades will come later. 70 Landcruiser's are the freaking best!!
     
  13. gimp

    gimp By Popular Demand Staff Member

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    This thing is not getting 33s lol


    Love the wildly optimistic overspeed beeper at 105
     
  14. jakewire

    jakewire Caretaker

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    Trucking well is it?
     
  15. MSL

    MSL Well-Known Member

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    Haha, already gutless on 31's?
     
  16. gimp

    gimp By Popular Demand Staff Member

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    Nah goes hard. Desperately need new speakers. Coming off the ferry in Picton right now, 5 hour cruise through to Hoki
     
  17. MassiveAttack

    MassiveAttack Well-Known Member

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    I higher gear ratio will make it better at open road speeds not worse. 33s made my FJ40 criuse quite nicely.
     
  18. gimp

    gimp By Popular Demand Staff Member

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    hmm. clearly I need to borrow tussocks 33 Kumhos and see how it goes
     
  19. gimp

    gimp By Popular Demand Staff Member

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    How hard is it to get the body off and strip/paint the chassis? Have a little rust I'd like to smash before it becomes a problem since I live on the coast

    (would it cost a fortune for someone else to do it?)

    [​IMG]
     
  20. MassiveAttack

    MassiveAttack Well-Known Member

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    On the one hand it's not hard and it is something you can do. On the other hand once you have stripped it back that far it makes sense to do a complete rebuild of everything. Don't ask me how I know this. The dissassembly was much faster than the reassembly.
     

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