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Old 05-02-2009, 08:50 PM   #1
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Toyota third member axles

I was wheeling with a guy recently, who had a samuri with the big Toyota axles.

Being that these are really strong & have drop out third members, has caused me to give serious thought to possibly swapping a set into my YJ.

Yeah they are the six lug deal, but I'm sure getting a decent set of wheels for them won't be too hard.

Having been a Mopar muscle car man in my younger years, I've had some experience with the Mopar 8-3/4 third member rear axles.

Nice to be able to change gearsets, in 15 minutes per axle!

I could spool one set with 5:88 gears for the rock garden, & drive home with 3:73's.

I have a suspicion that the Toy units may be even stronger than the 8-3/4's.
Plus they should be plentiful at the junkyard.

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Old 05-02-2009, 08:57 PM   #2
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those are very popular with they sami guys, not sure why not so much on the jeeps. i don't have enough experience with them, but changing gears to go him wouldn't be an option to me, it isn't 15 mins.

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Old 05-02-2009, 10:27 PM   #3
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My gf's bro had a set he wanted to sell me, he actually still has them. They're geared to 5.13 and are pretty clean. I never got motivated to do it though, really those burfields(sp) are crazy IMO.
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Old 05-03-2009, 07:48 AM   #4
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Hmm, I see what you mean about the Birfields, the Warn eliminator kit was like $900.00 ten years ago!

Well that's why I posted this Idea, to see how others felt about it!

$1400.00 could buy me a much sweeter front axle!

I used to drive my 70" Duster to the dragstrip, with 3:23 gears. Get there 20-30 minutes earlier, & throw some stands under the rear axle.
Pull the wheels & drums, & the axle retainer nuts, while oil is draining. Then all the pig to housing nuts, & swap the pigs. put it all back together with 4:10 gears & go racin'.

11:00pm & I'd drive out to the nearest lighted parking lot & swap the 3;23's back in.
While I normally took 20-30 mins to do this, I have done it in 15, when I was in a rush.

Jolt cola was a key factor, I'll admit. Can't get that stuff in Carolina, so now it' Pepsi Max!
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Old 05-03-2009, 08:12 AM   #5
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my buddy at rock4x is working on something similar, can't remember the details, and he hasn't got the perfect idea together yet. but its similar to the race guys, where you can swap gearing quickly and easily.
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Old 05-03-2009, 10:20 PM   #6
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Well The ford 9" also has the third member, but I don't know if they ever made one for the front.Currie has one, but it's not real cheap.
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Old 05-18-2009, 11:47 PM   #7
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i have done this swap in a yj send me a pm if you want more info
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Old 05-19-2009, 12:11 AM   #8
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So if they were the big Yota axles then they were probably the FJ80 axles. They are pretty close to a 60 in strength.

Birfields are cool as long as you get the Longfield Birfs from Longfield. Can't find stronger axles on the market.

FJ80 axles are wider than the standard Yota axles also. They would work in a YJ.
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Old 05-19-2009, 04:35 AM   #9
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I think I might go with D-60's, if I'm gonna drop big notes.

I was really looking for junkyard axles that were readily available & wouldn't need a ton of cash to get going. (Aside from the 8.8 C-clip axle)
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Old 05-19-2009, 12:19 PM   #10
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Most zuk guys install the mini truck axle also called the 8". Gearsets are most commonly 4:10.. but there are alot of combinations depending on the year.
The Birfield eliminator is a waist of cash when you can purchase longfiels axles.

The Toy rear is centered and fronts are pass offset. they will handle 38" tires with no issue. I run them my comp buggy.. 4.3 vortec 4L60 auto trans, dual toy case greared amd run the 5:71 axle gears with 38" tires. My crawl ratio is over 400:1

The land cruiser axles have a larger R/P but also have less clearance under them, aftermarket is so so. As for swaping your gears in and out you could do that as long as you didnt mistakenly throw it in 4wd, that would make a large mess. Alse diameter of toy s is larger then a 44 adn has the 30 spline that actually will drop into a 60 sidegear... Yes I have done some hybriding a few years ago.

Axle gearing for Toyotas
3.42 ...42/12... Purple ...31:1
3.90 ...39/10... Red... ...36:1
4.10 ...41/10... Pink.. ...37:1
4.11 ...37/09... Orange ...37:1
4.30 ...43/10... Blue.. ...39:1
4.37 ...35/08... Green. ...40:1
4.56 ...41/09... Yellow ...41:1
4.88 ...39/08... White. ...44:1
5.29 ...37/07... None.. ...48:1
5.71 ...40/07... None.. ...51:1
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Old 05-19-2009, 12:30 PM   #11
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Old 05-19-2009, 04:48 PM   #12
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Another option

Better Than Stock" 4340 Chromoly Birfield, $69 each

Trail-Gear Inc > Axles
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Old 05-20-2009, 01:29 PM   #13
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I had this setup in my samurai w/ 38's and never had a problem. So in order to do this in a jeep what t-case would you use to get the front drive shaft to the passenger side?
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Old 05-20-2009, 01:52 PM   #14
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Quote:
Originally Posted by jeepster213 View Post
I had this setup in my samurai w/ 38's and never had a problem. So in order to do this in a jeep what t-case would you use to get the front drive shaft to the passenger side?
dana 300. one of the best, all cast iron, all gear driven, no chain. and its short, and is not a slip yoke case.
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Old 05-20-2009, 04:59 PM   #15
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Atlas, D-300, Stack etc would all get you where you needed to be, but One thing that was overlooked is the truck front axles are only 55" wide and and IFS Toy rear would be 58". So you would need spacers on the front and possably the rear to get a matched width. For al the headache I would just build a set of Spider nines and call it good.
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Old 05-20-2009, 09:00 PM   #16
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i used dana 300 3" wheel spacers all round
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Old 05-22-2009, 06:26 PM   #17
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Different years are different lengths. As long as you get the rears from the same year vehicle you'll be all right. What year did the dana 300 come in and how common are they.?
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Old 05-23-2009, 08:05 AM   #18
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Old 05-23-2009, 09:17 AM   #19
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Just to throw a little more data into the mix.

FZJ80 axles are ~63" WMS-2-WMS. The front uses a Mini-truck 8" third member, the rear is a 9.5" TLC third member (IIRC). Both axles are offset to the passenger side - works great with Samurais that way. Could also work with a Dana 18, QTrac, LR LT230 and obviously TLC t-cases.

FJ40 axles use the 9.5" ring gear front and rear and are ~58" wide (IIRC).

I'd use Toyota (manufactured for Toyota by Aisin actually) axles if they were available. They are built to higher standards than Dana stuff. Comparing an Aisin third member to a Dana makes the Dana stuff look quaint/antique. FWIW, I have ~$6k into my Dana axles in my XJ and haven't owned anything Aisin since I got rid of my Suzukis. I'm not a Toyota zealot or anything. The Aisin stuff is just a better design IMO.
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Old 05-24-2009, 06:43 PM   #20
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Root how long ago did you own a zuk.... Just wondering if you were on the ZUK boards I go by rockrat on most.
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Old 05-24-2009, 06:53 PM   #21
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Rockrat sounds familiar.

I got rid of the Suzuki stuff around 2002 or so. I'm sure we know the same peoples.

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