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  1. R

    Turbo Oil Drains

    I turbocharged the 3B II in my 89' BJ73. I had problems with oil leaking past the seals. I thought it was a cheap turbo and rebuilt it. It helped a little but still the same deal. I bought another turbo blaming it on the cheap made in China turbo. My oil drain line is 1/2" straight down to...
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    Turbocharger longevity/durability

    I recently turbocharged the 3b in my BJ73. The turbo failed prematurely which I mostly attribute it to being a poor quality/faulty turbo. I am posting this thread to both gain knowledge and perhaps prevent future failure. First the Turbo was a TD04L-13T-6 unbranded made in China bought...
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    Air bag suspension?

    The leaf springs in my BJ73 are fairly flat. I have added about 150lb or so to the nose of my vehicle with the addition of a strong front winch bumper and brush guard. I now have about 1.5" between the front bump stop and leaf spring, and 2.5" between the rear bump stop and leaf spring......I...
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    What size thread/fitting for 3B diesel oil port?

    I put a turbo on my 3B. My oil supply line goes to the oil port on the engine below/behind the alternator. The thread on the plug did not match any threaded bolt I could find, but is very close to 1/8 NPT. I assumed it was a taper thread and 1/8 NPT will thread in and then you can force it a...
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    Suspension seats: Are they worth it?

    My BJ73 is fairly harsh and bouncy. Seats are original. Tilt adjustment cables are rusted and broken. Seatcovers are entirely duct tape. Not much padding left. I also miss having arm rests...........I'm considering getting some heavy equipment style suspension seats like this: NEW...
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    3B turbo install with DIY manifold

    Mostly finished my turbo install today. I'm happy with the result so far. Nice increase in power with no real problems. Only a couple minor issues to square away. I can keep up with traffic now, hold speed on hills, it feels like a normal utility vehicle now, not a underpowered vehicle...
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    TD04 Vs. TD05 for 3B in BJ73

    I have a 89 BJ73 with with a 3Bii NA engine. I'm going to turbo the engine. I will be fabricating/sourcing everything myself. I'm searching various turbos people have recommended on the forum. Garret T25's or M24. Toyota C26 (which is stock for 13BT, but people say is a bit large/laggy)...
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    TD04 Vs. TD05 for 3B in BJ73

    I have a 89 BJ73 with with a 3Bii NA engine. I'm going to turbo the engine. I will be fabricating/sourcing everything myself. I'm searching various turbos people have recommended on the forum. Garret T25's or M24. Toyota C26 (which is stock for 13BT, but people say is a bit large/laggy)...
  9. R

    refurbishing door hinges?

    My right rear door on the BJ73 is sagging due to the weight of the rear tire over the years. I can look at the top hinge and see that either the hinge pin is worn, or bent a bit. There is about 1/32" of wear or bend. Has anyone ever tried punching out the hinge pin and installing a new one to...
  10. R

    To use or not use engine valve lash caps on 3B

    I have a 3B diesel and have replaced the head. Somewhere between my house/truck/and head shop one of the metal lash caps that sits on top of the valves is missing. I'm trying to avoid ordering one from overseas and waiting a week. I can't find a US source for lash caps for 9mm valve stems...
  11. R

    Any real problem getting 12V from 24?

    I have a 24 V BJ73. I am putting in some 12V accessories such as new climate control system, radio, etc.. I have a 40 amp voltage converter to step down to 12V, but I am doubting whether or not it is really necessary. I noticed relays between the 2 batteries sending 12V to the lighting. I...
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    How to remove non freewheel front drive hubs?

    I am trying to remove the full-time non free wheel hubs from the front of my bj73 and install manual free wheel hubs. I just learned about the cone washers and I will go get a brass drift for them. how do I remove the dust cover on the center of the hub in order to get at the lock washer that...
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    What wall thickness/ pipe size for a single loop rollbar?

    My BJ73 with FRP top does not have the typical interior factory roll bar. I like the wrap around exterior cage bars going from bumpers to roof rack etc..., but I'm realizing that is alot of work/time when a simple roll bar would suffice. My concern is getting crushed in a low speed roll over...
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    mild lift for 34X9.50's?

    Working on my BJ73 build. Been looking at various tires and I'm favoring the 34X9.5 super swampers (). I'm thinking they will drive and run better with the 3B diesel as compared to the typical 33X12.50. I really don't ever see having the HP to float/blow over the top of bottomless mud with...
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    Fabricate A/C compressor pulley without machine tools

    I'm putting air conditioning in my bj73 that never had it before. Easiest way to do this is to put an extra pulley on the crank to drive the compressor. The factory pulley is not readily available here in the states. And expensive if you find it. I decided to fabricate a pulley starting with...
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    Gears vs. tires vs. turbo?

    I have a BJ73 with 3b NA diesel. It currently sits on stock size tires (29?) . It runs fine for me on the highway up to 120K or so. I am going to put lunchbox type lockers front and rear and larger tires. I'm thinking 33's. Currently my rear pinion bearing is worn out and needs replacing...
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    3b overheat damage results and question?

    After overheating my bj70 the engine was missing and ran rough on startup. At one point there was a clanking noise. I feared a cracked head and possibly a dropped pre-cup. I pulled the head and all the precups look okay but on once on cylinders 2 and 3 it has obviously swallowed something and...
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    3b head stuck to block

    trying to remove the head on my story be diesel in my bj73 today to diagnose it to see why it is missing after an overheating incident. I'm expecting a blown head gasket or cracked head or at worst a dropped pre-cup. The head is stuck to the block. I've removed the head bolts water pump...
  19. R

    new 70 series owner with questions

    Just bought a 89 BJ 74. She runs and drives fairly well, but I have some things to do to make her right. I have some questions that perhaps need more threads, but If anyone is willing to answer here then that's great. 1. I need a heater core anyone know a good source in the US for a 70...
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