Author Topic: 1A transfer case  (Read 1031 times)

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Mattinker

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1A transfer case
« on: Mar 05, 2005, 05:11:17 AM »
I recently bought a 1982 4x4 Toyota pick-up. This strange beast has an 18R engine, an L43 gearbox and a 1-A transfer case. This configuration is apparently standard in Europe! I have a question that no amount of combing the "records" has provided the answer for. What is the difference between the 1-A and the 1-B transfer cases, and what gearboxes are compatable with this transfer case? I am going to convert to diesel 5 speed as soon as I can, (it's much cheaper, and I spent ten years as a diesel mechanic, I'm more at home with them than petrol engines!)I need to know what bolts to what! This is the first essential, other mods later! Do you have a European outlet for you "special" Toyota parts?

Thanks in advance, Matthew

BigMike

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Re: 1A transfer case
« Reply #1 on: Mar 05, 2005, 08:34:32 AM »
I'm sure Marlin will know about the 'A' transfercases but I've never heard of them.

Sounds interesting, could you take a couple pictures of them?

Thanks!
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jr9162

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Re: 1A transfer case
« Reply #2 on: Mar 05, 2005, 09:11:31 PM »
If you're using a 2.8 liter 3L or the 3.0 liter 5L, both NA, they'll bolt to a G52/G54, and W56 gearbox using the stock diesel bellhousing.

There is a bellhousing that'll allow you to bolt a L series diesel to the R series gearbox. Not so prevalent.

If you use a 1KZ-T or 1KZ-TE and stock bellhousing you can bolt a R151F gearbox to it sourced from: a 22R-TE (gear driven Tcase), a 1KZ (chain driven Tcase), or the 3.0 liter v6 (chain driven Tcase). The R151F from a 3.4 liter v6 will not bolt to a 1KZ or L series diesel, regardless of the bellhousing as it's input shaft is 190 mm versus 160 mm (some say 165 mm).
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