mrnick1979

I have a 1985 4runner that I want to swap a 4.3 tbi into. I would like to keep the stock transmission so I don't have to deal with the axles and driveline issues.
I read that a w56 is good for 300 ftlbs of torque and a 4.3 only puts out about 240 ftlbs . Is there anybody who is running this setup and are you having any issues?

I will be running 2.5 OME springs, 2 inch body lift for engine clearance, {will not install if it isn't needed}, and stock 4.11 gears, 35x12.50 tires. I don't crawl or mud bog I just drive it offroad sometimes for hunting.

muddpigg

iTrader: (1)

Prolly more dependent on how you drive, a heavy right foot more chance of breaking something.

I've heard of this combo. But Toyota put the R151 behind the 22RET. So why not switch to R150 or 151; R150 will be cheaper and easier to source. Will need to decide on T-case. You'll have to buy adaptor anyway for 4.3 to tranny might as well buy it once.

mrnick1979

if im thinking correct the r150 is what is put behind a 3.0. so I would need the an adapter for the bellhousing and the transfer case or can I use the 3.0 transfer case too? I wasn't trying to stay away from having to get custom drive shafts made.

mrnick1979

well after some searching I found a r150f transmission and will be picking it up tomorrow. I will now be searching for adapters for the bell housing and the transfer case now.

muddpigg

iTrader: (1)

Or you can get adaptor for W56 and run it. If it dies then get bell housing from a R151 to mate R150 tranny to the W56 adaptor.

For the offroading you do will you need the to run an RF1A t-case?