Swap 4th gen Land Cruiser Disc on 3rd gen 4runner

cslainson · 11-23-2005, 11:08 AM

Can you do a rear disc conversion on a 3rd gen 4runner w/ 4th gen land cruiser rear disc brakes? Do land cruisers have the same e-brake setup as 4runners?

-Cyle

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bdeakin · 11-23-2005, 01:45 PM

When you speak of the "4th" gen Land Cruiser, of which are you speaking?

Let's see... (And this is rather non-traditional in the LC world)

40 series=1st gen (not really, but it's the first that most are aware of)
50 series=2nd gen (only saw a few of those here... but the few that are here are very cool)
60 series=3rd gen (Hmm..... we'll skip the 70's as I assume you're in the US)
80 series=4th gen (Ok.... I'll assume you're talking about the 80 series)

So... assuming you're talking about the 80 series, there are two models that are native (hah!) to the US. The FJ-80, which was from 91-92 and has drum rears with a semi-floating rear axle, and the FZJ-80 which usually came with a full floating rear and disc brakes in the back.

So... assuming you're talking about getting the disc brakes from a FZJ-80. Then no, I'm not familar with anyone just bringing over the disc brakes. It wouldn't be an easy swap at all. Due to the nature of the 3rd gen's rear axle, I can't think of a way to mash those discs on and have it work.

Now what you could do, is take the entire rear axle (with e-locker of course!) from an FZJ-80 and slap it under your rig. Not easy, but it's been done. As long as you're doing the rear, you'd be doing the front to match your widths which will be skewampus anyway and you've got a solid front to boot (with locker, of course). By this point, you'd have been better off just getting an FJZ-80.

That conversion would be the Hard Way (tm).

I could be wrong though :-)

cslainson · 11-24-2005, 01:15 AM

Thanks for the feedback, just wondering since Ive never heard it mentioned

MTL_4runner · 11-24-2005, 05:56 AM

There has been alot of conversaitons about this but very few people have actually put rear discs on a 3rd gen 4runner. The landcruiser setup will not be adapted very easily but there are definately other options available which would work quite well.

There's quite a bit of reading for you on that topic:
http://yotatech.com/search.php?searchid=1247832

Not on 3rd gens but helps to see the process on most Toyotas:
http://www.4x4wire.com/toyota/reviews/rear_discs/
http://www.mindspring.com/~jayk3/toyota/discs.htm
http://www.birfield.com/%7Emorgan//tech/rdb/
http://4-low.com/tech/rear_elocker/

ebelen1 · 11-24-2005, 11:04 AM

I've considered this but there are too many variables to worry about (e.g., no e-brake, use Caddy calipers to have e-brake, additional modifications, etc.).

From a $ perspective, I'd recommend upgrading the fronts to the Tundra brake system with steel braided lines (more brake fluid). Keep the drums adjusted properly with the Tundra fronts and you should be fine.

If you do want a 3rd gen rear disc brake conversion, Downey Offroad has a kit for about $500 but you won't have an e-brake. Good luck.

11-23-2005, 01:45 PM	#2 (permalink)
bdeakin Registered User Join Date: Oct 2004 Location: Salt Lake City, Utah Posts: 77	When you speak of the "4th" gen Land Cruiser, of which are you speaking? Let's see... (And this is rather non-traditional in the LC world) 40 series=1st gen (not really, but it's the first that most are aware of) 50 series=2nd gen (only saw a few of those here... but the few that are here are very cool) 60 series=3rd gen (Hmm..... we'll skip the 70's as I assume you're in the US) 80 series=4th gen (Ok.... I'll assume you're talking about the 80 series) So... assuming you're talking about the 80 series, there are two models that are native (hah!) to the US. The FJ-80, which was from 91-92 and has drum rears with a semi-floating rear axle, and the FZJ-80 which usually came with a full floating rear and disc brakes in the back. So... assuming you're talking about getting the disc brakes from a FZJ-80. Then no, I'm not familar with anyone just bringing over the disc brakes. It wouldn't be an easy swap at all. Due to the nature of the 3rd gen's rear axle, I can't think of a way to mash those discs on and have it work. Now what you could do, is take the entire rear axle (with e-locker of course!) from an FZJ-80 and slap it under your rig. Not easy, but it's been done. As long as you're doing the rear, you'd be doing the front to match your widths which will be skewampus anyway and you've got a solid front to boot (with locker, of course). By this point, you'd have been better off just getting an FJZ-80. That conversion would be the Hard Way (tm). I could be wrong though :-) __________________ --------------------------- BDeakin '01 Double Cab Tacoma TRD

11-24-2005, 05:56 AM	#4 (permalink)
MTL_4runner Contributing Member Join Date: Jul 2003 Location: Montreal, QC Canada Posts: 8,807	There has been alot of conversaitons about this but very few people have actually put rear discs on a 3rd gen 4runner. The landcruiser setup will not be adapted very easily but there are definately other options available which would work quite well. There's quite a bit of reading for you on that topic: http://yotatech.com/search.php?searchid=1247832 Not on 3rd gens but helps to see the process on most Toyotas: http://www.4x4wire.com/toyota/reviews/rear_discs/ http://www.mindspring.com/~jayk3/toyota/discs.htm http://www.birfield.com/%7Emorgan//tech/rdb/ http://4-low.com/tech/rear_elocker/ __________________ - Jamie 1996 4Runner SR5 4X4 Auto Deckplate Mod, Hayden Tranny Cooler, Amsoil Air Filter, OME 881/906 N86C/N91SC Lift Best OBD II scan tool I have used!. .....and I am AMERICAN!

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11-24-2005, 01:15 AM	#3 (permalink)
cslainson Registered User Join Date: Jul 2005 Posts: 2	Thanks for the feedback, just wondering since Ive never heard it mentioned

11-24-2005, 11:04 AM	#5 (permalink)
ebelen1 Contributing Member Join Date: Jul 2005 Location: Socal Posts: 1,964	I've considered this but there are too many variables to worry about (e.g., no e-brake, use Caddy calipers to have e-brake, additional modifications, etc.). From a $ perspective, I'd recommend upgrading the fronts to the Tundra brake system with steel braided lines (more brake fluid). Keep the drums adjusted properly with the Tundra fronts and you should be fine. If you do want a 3rd gen rear disc brake conversion, Downey Offroad has a kit for about $500 but you won't have an e-brake. Good luck.