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Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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  #76  
Old 05-15-2009
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The FX4 level II 31 spline is easier because the brackets are the same, and come with 4.10 gears. But it has a torsen, so you have to still with that, or have the carrier replaced with an open carrier. Or buy a full carrier locker like a detroit.

The explorer axle normally comes with 3.73's from what I've seen, some have limited slip, some are open. You need you weld on new spring perches and shock mounts. The axle is 1.5" wider and has disc brakes. Search around for axle upgrade info.

The lockrite locker for the 28 spline should be about the same quality as the aussie, but I know aussie is great with warranty replacements and doesn't care what size tires you run.
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  #77  
Old 05-15-2009
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ic. so any idea where i would need to look for an FX4 axle?
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  #78  
Old 05-15-2009
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Junk yard
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  #79  
Old 05-15-2009
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Quote:
Originally Posted by fddriver02 View Post
Nothing extra happens when you switch into 4wd other than you go into 4wd. The reason you can't and shouldn't try to turn sharply in 4wd, unless you are on slippery terrain, is because the front wheels and rear wheels can't turn at different speeds like they normally do during a turn. 4wd locks the power going to the front and rear wheels and does not allow the front and rear axles to turn at different speeds. AWD cars are basically 4wd cars with a diff in the t-case letting the front a rear axles can turn at different speeds.

L/S and posi are different names for the same thing. But they never lock the 2 wheels together. They do help transfer more power to the wheel with traction but it is limited hence the name. In the end when one wheel completely loses traction it will spin the one wheel and go nowhere. Here are some videos showing that:

http://powertrax.com/PTRAX.mpg
http://powertrax.com/PTRAX2.wmv
yeah I know, but I couldn't figure out how I wanted to say so I said that way, thanks for clarifying, though.
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  #80  
Old 05-15-2009
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ill have to check. if a truck is junked, how can you find out what kind of rear end it has and what gears? and another question bout the lockers... so uk how when your turnin in 4x4 the tires dont wanna turn, does a locker help that?
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  #81  
Old 05-15-2009
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Wow. No a locker won't help you turn better in 4wd. The front and rear axles spin at different speeds when you turn. If you have to turn sharply take it out of 4wd.

To find out what diff is in there check the door take and compare it to this:



Only FX4 models have the 31 spline axle. Its easier to find an exploder axle.
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  #82  
Old 05-15-2009
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i have 8.8 open 4.10s. ik their easier to find, i just dont wanna hack stuff apart to make it fit. i dont trust myself.i can weld and fab things like skids and deerstands and other stuff like that. but im not gonna trust myself when it comes to something my 9k truck is rollin on. lol
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  #83  
Old 05-15-2009
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I don't know how to weld either. I'd have someone do it. I don't think it would cost too much.
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  #84  
Old 05-15-2009
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nice I'll look around for an fx4 axle. or just get an expo one eventually..
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  #85  
Old 05-16-2009
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same here. might get lucky and find a rolled fx4 like a member on here did
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  #86  
Old 05-17-2009
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I've got the aussie in my Fx4 31spline 8.8 rear...and a manual transmission. And to be honest...I love it. And to be honest...I hate it. WAY awkward to anyone who have not recieved the crash course in driving my truck. Honestly...I'm half tempted to pull it out and run it open until Winter comes back....when i'll actually use it. I can't let just anyone drive the truck...and I hate that.

Also makes any clutch system issues...ALOT more noticeable. There's alot of pushing in the clutch and kickin' the shifter in neutral to unlock the locker in parking lots. It's kind of a pain in the *** even for me. Although...it is ALOT of fun when the roads are wet...controlled drifts!

Like I said..I love it. And I hate it.

I really want to get a selectable locker...one where it's open or limited when unlocked, and a spool when locked.


Might be up for sale soon...PM me if interested. (shameless plug I know. lol)
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  #87  
Old 05-17-2009
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Yea electric lockers or ARB lockers are UBER expensive!! I"d love a selectable in the back of my ranger, its Lincolned lock, try driving in a parking lot LOCKED all the time, lots of people look atcha, but atleast it is predictable!!!
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  #88  
Old 05-17-2009
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So how would the locker im lookin at do then? is it something that would only lock up when only in 4x4 or is it something i have to worry about all the time? and im not too worried about the rear end since i have LS.
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  #89  
Old 05-17-2009
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Are you talkin bout the front axle? Well, I don't know the axles always spin in those whether in 4wd or not.. But, even if in 4wd doesn't mean the front will be locked up, only when it detects a certain RPM difference between the two tires, then it locks up solid.... 4wd or 2wd has no effect on it's lock up
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  #90  
Old 05-17-2009
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It would act just like the rear aussie...but in the front. BUT...there isn't any power being applied to it...it's just spinning with the wheels and ratcheting around corners. People who have the front locker report not even noticing it in 2wd.
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  #91  
Old 05-17-2009
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shuuuuu, good deal i didnt think about that...lol!!
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  #92  
Old 05-17-2009
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Like Shane said, the front aussie locker is like it doesn't exist in 2wd. It just makes a slight ratcheting noise in slow tight corners, can't feel anything though.

stRanger, you are wrong. RPMs have nothing to do with it,.

I know I've said it already, but my rear aussie locker was just fine with an automatic. Never bound up in parking lots of anything like that, it was always smooth.
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  #93  
Old 05-18-2009
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Quote:
Originally Posted by brianjwilson View Post
Like Shane said, the front aussie locker is like it doesn't exist in 2wd. It just makes a slight ratcheting noise in slow tight corners, can't feel anything though.

stRanger, you are wrong. RPMs have nothing to do with it,.

I know I've said it already, but my rear aussie locker was just fine with an automatic. Never bound up in parking lots of anything like that, it was always smooth.


Ahh, I stand corrected then, I'm sorry.... Just though once it 'detected' slip(RPM diff) it would lock up solid... Atleast that's how a detroit has been explained to me and the aussie sounds exactly like a detroit... sorry for the miss-information gentlemen
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  #94  
Old 05-18-2009
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No worries, a lot of people get that wrong because someone told them wrong. They are really super simple units in the way they work.
When I first got the aussie in the mail and opened it up I was like "WTF? That's it?!"
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  #95  
Old 05-20-2009
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Quote:
Originally Posted by brianjwilson View Post
When I first got the aussie in the mail and opened it up I was like "WTF? That's it?!"
LOL!!!! Well I've been workin in baltimore and i had 35hrs OT last week and 14hrs OT this week, so im gonna go ahead and order it.....LOL!! I'm also lookin at a fibergalss cab hieght cap this weekend too for $300.......i'll give you guys update's when i get it and get install pics!! Thanks!!!
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