H55 and 1HD-T?

Discussion in 'Diesel Tech / 24 volts' started by nickw, Aug 22, 2006.

  1. nickw

    nickw

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    Call me crazy, but today I had the idea of a 1DH-T and H55.
    There seem to be quite a few rusted BJ60 out there, so I could get a H55 pretty easy.

    I am wondering how much work it would be to mate a 1HD-T to a H55?
    How much did toyota change it between generations?
    Would they line up minus the input shaft? IE. How about the transfer case side.

    Only reason I thought of this is because the number of rusted of BJ60 out there.
    I could get pretty much everything I would need to do a swap (tranny, pedal, hydraulics, etc...)

    Plus the gear ratio's of the H55 are a little bit better than the manual that the 1HD-T came with.
    1st is a hair lower and 5th is bit higher.
    2nd, 3rd and 4th are almost the same.

    Just a random idea.
    I know this sounds crazy. But I thought I would ask.
    Thoughts?

    This would probably be a good way to add a 5-speed to a BJ7x

    Cheers,
    Nick
     
    Last edited: Aug 22, 2006
  2. nickw

    nickw

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    BTW: I know this sounds like a crazy idea.
    You will probably ask why don't I just keep my auto.
    Answer: Because I like manual transmissions.
    I know in the offroad they are a little more work, but that is okay with me.

    If this is going to be alot of work I will not bother.
    If it will bolt up, and it will just be fab work for mounts, than I would be alot more interested.

    Plus its just fun to grill you guys. :)
     
    Last edited: Aug 22, 2006
  3. PVCruiser

    PVCruiser

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    You can do it... Search the Forum. I wanted to do this too. I think you need an HZ bellhousing, clutch, and pressure plate. But rick_d answered my question
     
  4. rick_d

    rick_d

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    nick-

    easy conversion, done at least 4x in north america

    you need:
    HZJ H55 style bellhousing (1990-1999 production, ENS part)
    HDJ flywheel (not cheap, few used, and heavy to ship)
    HDJ pressure plate (north american part)
    Isuzu NPR clutch disk (ref: beanz part number)
    HZJ H55 input shaft (see internal diff H55 posts)- you will need a late model H55 as donor

    or use a HZJ clutch disk,pp, and flywheel. HZJ is 275mm across, HDJ is 300mm across.
     
  5. nickw

    nickw

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    Thanks rick.

    Glad it is easy.
    Now it just sounds expensive. :)
    Defiantly not as budget as I was hoping for/dreaming for. :)
    Wonder how much the final cost would be?
    Hmmm....

    How about the mounts and transfer case side?
    Everything can't bolt right in can it?
    That sounds to easy.

    Initial idea/plan was to part out the rest of the BJ60 and my auto tranny. I was hoping to come out ahead, as well as having a manual. Might not happen now. Don't have extra money to contribute at this point. Thus me trying to be creative and not cut any corners. But I will defiantly have to consider this a few years down the road, or if my auto ever dies.

    Cheers,
    Nick
     
  6. rick_d

    rick_d

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    HZJ H55 style bellhousing
    I have bought from aussie wreckers for as little as $75 AUD

    HDJ flywheel
    $100-$400 used to new

    HDJ pressure plate
    $130 (guess) US

    Isuzu NPR clutch disk
    $190 tax included in Tucson

    HZJ H55 input shaft
    $200-$300 new, might be able to get one used
     
  7. Greg_B

    Greg_B

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    Nick...

    Here is a pic of one we put together a while back. Radd Cruisers installed it in a 60 series. As Rick says, the parts can be put together...requires work on your part (swaping in the shaft), scanning Oz E-bay, shipping, sourcing the engine, flywheel (if engine from an auto), etc. Staying 275mm makes Ens a closer source for some stuff. The opening of 1HZ/H55F equipped vehicles and the 15 year rule open avenues to us Canucks as well.

    My dream rig (open to change at any point and changes weekly I might add) currently is a 45 series troopie, galvanized frame, body off/worked/zinc phosphated/urethane painted/line-x'd on the underside and inside/6* series cable locking axles/1HD-T-H55F/Marks 1:1-3.05:1/Long range fuel cell/mild body lift/50mm SUA Ozzy lift/set up for touring, with a military trailer in tow/roof top tent..yada yada. Don't matter LHD or RHD at this point...

    A 1HZ might suffice...

    Or a 12HT would be cool.

    And sure...a 13BT...

    But an HD-T/H55F would be icing...

    :)

    gb
    1HD-T H55F L.jpg
     
  8. Radd Cruisers

    Radd Cruisers

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    I like your build but........ I would change one thing, suspension, make it a 80 series coil over three link and now you have a nice riding and even better wheeling rigf??



    Highjack over....


     
  9. nickw

    nickw

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    Funny, we almost have the same dream vehicle.
    I too would want a TDI troopie. LHD prefered. H55 tranny and 13BT would be easy. But HD or HZ would be nicer.
    And a OME coil lift. Mmmmmmm :) :D
    Basally a troopie on a HDJ80. :)
    All in all, very similar.

    Man I love those troopies.
    My girl friend has a turbo 3B FJ55 an that is pretty sweet.
    But something about the troopie drawes me to it.

    Cheers,
    Nick
     
  10. Tapage

    Tapage Club 4X4 Panamá SILVER Star

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    just wondering ..

    If we have this scenario HZ with H55F with BF1A ( t-case ) right .. ?

    So HZ is pretty the same as 1HD-T .. ? right ,, they can share bellhousing.

    I remember the main diferent is the flyweel, off course the pressure plate and clutch disk.

    So if I get those 3 parts from 1HD-T I can swap easy the H55F from HZ 70 right . ?
     
  11. rick_d

    rick_d

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    you can run the 275mm HZ clutch, HZ pp, and HZ flywheel

    or better:

    you can run the 300mm Isuzu Clutch, HD-_ pp, and HD-T flywheel



    all under a standard issue 70 series HZ bellhousing (80 series often use H15X transmissions).

    I went from 13B-T to HD-T in my 70 series here in Tucson pretty easily. A HZJ70 would be far simpler.
     
  12. PVCruiser

    PVCruiser

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    I've got something like that in the works now.... 45 series Troopy, H Motor with Turbo, H55, Power Steering, Frame off resto, A/C, Line-X'd on the underside etc. I'll post pics when it's completed.
     
  13. Tapage

    Tapage Club 4X4 Panamá SILVER Star

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    The HD clutch disk are less than 300 mm .. ?
     
  14. rick_d

    rick_d

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    isuzu and HD-T clutch disks are both 300mm.

    HD-T clutch disks have 14 spline centers, and no 14 spline input exists for a H55- they only are made for the H15X aluminum transmissions.

    HZ/H55's are 21 spline input shafts.
    Isuzu clutches are 21 spline centers.

    clear as mud?
     
  15. Tapage

    Tapage Club 4X4 Panamá SILVER Star

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    I got it ! :D

    finaly .. !!!

    Thanks
     
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