Hi I am planning on swaping to FJ80 axle front and rear in my 87 4runner. The problem for the rear is I need a Tcas that will have a passenger side drop to mate up with the full float FJ 80 diff. I am having a hard time finding anything that will work for that. Does anyone have any ideas what I can use?
Pass drop T Case for 1987 4runner (1 Viewer)
- Thread starter Heavylead
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I thought a 1987 4Runner has a passenger side drop T-case?
Not on the rear.
OK, I see now. Thanks for the clarification.
- Thread starter
- #5
How about does anyone know if the FJ80 T case would bolt up to the 4runners trans? Or is there a company out there that makes custom T case that I could order to get a pass drop? I also forgot to mention it is a 22RE with a 5 speed manual.
- Thread starter
- #7
I want to run the factory axle for ease of replacement parts. I also have everything for the rear already so Id be out a lot of money. Does atlas make T cases with different drops?
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- #8
Also if I was to just go with a centered T case and the passenger side diff would the vibrations from crossing the driveshaft be bad enough to make it not drivable on the street? I do plan on driving this long distance.
most who run the fj80 settle for a compound angle with the driveshaft. Vibes can be harder to get rid of but can be done.
gas tank clearance on the pass side would be an issue. as far as I know the only thing in a fabbed housing thats not something you can grab from a junkyard (if you can even find a cruiser in a junkyard) or auto parts store is a cut to length axle shaft but even stock you probably have to order them online these days so you aren't really losing out on anything
Geez, I didn't think of this. It's almost a deal breaker.
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- #12
The problem though even if I wanted to do a custom rear axle housing is I already have the money into building the factory rear that ill never get back. The gas tank is going to have to move if I do a pass drop T case. If I stick with the centered factory T case I think it will clear the tank. I am just concerned with the vibrations really. I dont want to get it all built and then it be a horrible time driving around.
What money other than the cost of axle shafts and the housing itself
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- Thread starter
- #14
Ill be out everything in the housing down to gaskets unless tge new housing used FJ80 everything besides the shafts. I have never looked into building a custom housing. Can you get them to use everything for a FJ 80 besides the shafts?
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- #16
So would I just cut the full float flanges off the factory axle to put on the ends of the new axle housing. Then have some safts made up for it? I am trying to figure the simplest and cheapest way out of this problem, in terms of changing the T case or changing the axle housing.
I think you can cut them off and weld them on but dont hold me to it, I know front range off road sells brand new full float flanges. you can go with cut to length shafts from nitro gear and axle for ~270ea. new housing and shafts is a strength upgrade and lets you do dual gear drive tcase and all that stuff
- Thread starter
- #18
Ok I am going to look into the custom housing. Thank you for the links I hadnt really considered swapping the housing.
Fj60 t-case?
- Thread starter
- #20
Do you know that would bolt up to a 4runner transmission?
