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Old 02-08-2005, 08:19 PM   #1 (permalink)
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Fullsize 1-ton GM axles on a stock FJ60

Need some info on putting a 8 lug 14bolt and Dana 60 from a 70's K20 on a stock FJ60. Whats it gonna take?

Oh and first post, awsome site. Looking for some info on a spring project I want to do. Fullsize axles, bobbed rear, lockers, crossover steering and a 350 in a good condition FJ60.

James
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Old 02-08-2005, 08:49 PM   #2 (permalink)
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freking newbe if your fj60 has a drive train just lift and lock and sale your d60 front (to me, not for my toy) to pay for the lift and lock if it brakes then fix it welcome newbe
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Old 02-08-2005, 09:56 PM   #3 (permalink)
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welcome to pirate.. recc lurking a couple months before posting silly questions... stuff like this is asking for a royal flame.... search, read, build, ask as help is needed.... just a thought....


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Old 02-08-2005, 11:28 PM   #4 (permalink)
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what are your plans for it?? like mentioned keep the stock axles they are plenty strong. if you notice my sig, i have full size axles. i wouldnt have done it unless they came with the truck when i bought it....
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Old 02-09-2005, 07:12 AM   #5 (permalink)
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GET OUT THE WELDER AND HIT IT ..... DO A SEARCH IT BEEN WORKED OVER ON HERE AND WWW.IH8MUD.COM and post pic I want to do that too
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Old 02-09-2005, 02:01 PM   #6 (permalink)
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I plan on running 36's, I want the fullsize axles. Once the 350 is in I don't imagine the Toy axles will handle the mud bogging and rockcrawling I want it for. Also plan to bob the rear, gut the interior and install a strong cage/bumpers. The future will bring big tires and more hp. I want fullsize axles so i dont have to fawk with them in the future.
Is it as simple as I think, just make spring mounts for the fullsize axles and bolt them on? Aside from the steering and driveshafts of course.
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Old 02-09-2005, 02:08 PM   #7 (permalink)
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thats about it, just put the purches on, and weld er up. then you will have to adapt a toyota end on the drive shaft. and hook up some steering.
not too dificult.
oh, and dont worry about all these slackers, they were all newbies at one time
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Old 02-09-2005, 02:18 PM   #8 (permalink)
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since you have to change the mounts anyway make sure you use some longer springs 54 or 56 even.... rears from newer chevys and ford ... MO FLEX
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Old 02-09-2005, 02:33 PM   #9 (permalink)
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Quote:
Originally Posted by BigGreenMachine
Need some info on putting a 8 lug 14bolt and Dana 60 from a 70's K20 on a stock FJ60.

James
Did GM put 1 ton axles under a K20?
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Old 02-09-2005, 04:42 PM   #10 (permalink)
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Quote:
Originally Posted by cruiserman
Did GM put 1 ton axles under a K20?

Nope. Those had 14 bolt and 44.
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Old 02-09-2005, 04:50 PM   #11 (permalink)
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If you are looking for somthing thats already set up for 1tons,hydro,GM V8, bobtailed. The body is kinda beat but a new set of fenders and a little TLC it would look awesome. I will be selling the body and frame as you see it here soon, for cheep. I hate to take this baby apart but its replacment is just bad to the bone!
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Old 02-09-2005, 04:58 PM   #12 (permalink)
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Old 02-09-2005, 08:30 PM   #13 (permalink)
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Quote:
Originally Posted by PARANOID56
thats about it, just put the purches on, and weld er up. then you will have to adapt a toyota end on the drive shaft. and hook up some steering.
not too dificult.
oh, and dont worry about all these slackers, they were all newbies at one time
SHane
Awsome, best advice I've heard all day lol.
I'll double check the badges on the K truck and figure out for sure that its what I need. I know it has a 14bolt, a 3/4 ton 8 lug 44 wouldn't be a bad swap.
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Old 02-09-2005, 08:36 PM   #14 (permalink)
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QUOTE=BigGreenMachine]
a 3/4 ton 8 lug 44 wouldn't be a bad swap.[/QUOTE]


The 44 would be a waste of tim as an upgrade, other than being wider. There's good stuff for the L/C axles which make them stronger than a 44. If you're gonna do all the work, don't fuck around with a 44. Put in a 60. K30s had a perfect donor axle.
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Old 02-09-2005, 08:39 PM   #15 (permalink)
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Its not so cut and dry as explaned by "paranoid56" If you use a 60 the pirch on the drivewr side is cast into the differential so you pretty much have to move your spring hangers out about 1.5 inches on both sides. The back just cut and weld. If you have a 44 insted of a 60 I would not even wast my time a 44 is no stronger than cruiser with longs. go D60 or go home!
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Old 02-09-2005, 08:43 PM   #16 (permalink)
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Also what Tcase? if you keep the FJ60 case you are going to have a centerd 14B so you have to do a case or build an off set 14 bolt. Just some more stuff to think about.
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Old 02-09-2005, 09:00 PM   #17 (permalink)
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Here dude now I am really nurseing you along. I even searched for you

http://www.pirate4x4.com/forum/showt...0&page=1&pp=40
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Old 02-09-2005, 09:01 PM   #18 (permalink)
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LOL check mine out

Check Mine out .... I did a D60 front D70 rear swap ..the D70 rolled right under worked great , the D60 on the other hand was apain moving the mounts out ...If you want I will send you my web link etc with everything on it
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Old 02-10-2005, 07:10 AM   #19 (permalink)
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Quote:
Originally Posted by RustyNailJustin
If you are looking for somthing thats already set up for 1tons,hydro,GM V8, bobtailed. The body is kinda beat but a new set of fenders and a little TLC it would look awesome. I will be selling the body and frame as you see it here soon, for cheep. I hate to take this baby apart but its replacment is just bad to the bone!

PM ME please HOW MUCH AND WHAT STAYIN IN IT>>>>
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[URL="http://www.texas4x4.org/gallery/82-BJ42"]82BJ42[/URL] 3B,H55, Fj60 p/s.... And a boat load of parts in the garage

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Old 02-10-2005, 07:21 AM   #20 (permalink)
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Quote:
Originally Posted by Rat70FJ
QUOTE=BigGreenMachine]
a 3/4 ton 8 lug 44 wouldn't be a bad swap.

The 44 would be a waste of tim as an upgrade, other than being wider. There's good stuff for the L/C axles which make them stronger than a 44. If you're gonna do all the work, don't fuck around with a 44. Put in a 60. K30s had a perfect donor axle.[/QUOTE]


The D44 swap is the same strenth axle BUT is also the same perch width as the d60 so for fabbing the set up it will work till you find the D60 ... remember its also about a1 1-2 shorter than the 60 if mock it all up
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Old 02-10-2005, 07:25 AM   #21 (permalink)
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Quote:
Originally Posted by BigGreenMachine
Is it as simple as I think, just make spring mounts for the fullsize axles and bolt them on? Aside from the steering and driveshafts of course.
Not sure what you mean by "full-size axles", but if it's a Dana 60, it'll have the spring perch for one side cast into the diff housing. The frame width of an FJ60 is a good bit narrower than the frame width of whatever the Dana 60 came from, so you'll end up with an axle that sticks out more on one side than the other. You'll need to either outboard your spring hangers (ugly) or go coil-over, or...?

I'm going 1-ton on my FJ55. This is what I've done / I'm doing:
  • Chevy Dana 60 narrowed to 64"
  • Cab & chassis 14-bolt shaved & plated, 63" wms-wms
  • 63" Chevy 1-ton springs rear
  • Aftermarket +2" cruiser springs front
  • high-steer, scout ps with ram assist
  • tbi 350
  • sm465
  • np203
  • Off-Road Designs NP203<->NP205 adapter
  • Chevy NP205 with bigger bearings, more splines
  • CV Unlimited parking brake, driveshafts
  • 12-bolt hummer wheels, re-centered to 4" backspacing
  • 38.5x14.5 TSL SX tires

Maybe someday I'll bob it too, but the storage space is nice if you fill it with people.

Morgan
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Old 02-10-2005, 07:50 AM   #22 (permalink)
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Morgan, who is narrowing the D60 for you? How much?
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Old 02-10-2005, 08:10 AM   #23 (permalink)
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The 44 would be a waste of tim as an upgrade,
Give me a break...... What you meant to say was it would be a waste of time in "your" inexperienced opinion! You obviously do not know. Sorry in advance for being rude, but somtimes it's just gotta be done!
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Old 02-10-2005, 08:35 AM   #24 (permalink)
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I'm with Jeff, I would be stoked to have more options on shafts and to be able to see what breaks instead of a closed knuckle. Also the bad batch of longs is a royal pain for some of my friends. Easier to just avoid, and get junkyard shafts. I still do believe that the og longs are sronger then a 44 with ctm's and warn's. Drop all that coin into a turd front end with the new cromo shiz seems like a waste. I wouldn't feel so strongly if advocates of the turd front end didn't keep comparing them to 60's. When Long claims 40-44 inch tires are fine with the new stuff, is seems stupid. Yota axles will never be 60's and shouldn't be compared.
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Old 02-10-2005, 09:48 AM   #25 (permalink)
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Very true, "yota axles will never be 60's and shouldn't be compaired"
Put a 60 stub by a birfield and the differance is insane. I have said it 100s of times, with first hand experence. I ran every after market birfield know to man and I broke them all. Every time I went wheeling I broke at least 1. I swaped to a 60 and have not broke jack shit. Now I can drive the way I want to and not worry about breaking a stupid birf!
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