Diff Lockers - 80 Series Cruiser

Submitted: Saturday, Mar 01, 2008 at 21:21
ThreadID: 55094 Views:4967 Replies:6 FollowUps:9
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Howdy All,

Looking at putting the ARB diff lockers on an 80 series 4.2L diesel.

I presume the front diff is the go?

My rear diff self destructed about 50,000km ago and I had a rebuild put in with LSD. I hear the cruiser LSD dies after about 50,000 kms. I did a few spinnies on some grass a while back and the LSD is still working.

I presume the ARB diff lockers are the go over Detroit etc. as its a part time 4wd and I use the cruiser as my daily around town car also. Better the ARB type you can turn off/on than the Detroit full-timers?

Any thoughts appreciated. Cheers.
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Reply By: Member - Doug T (FNQ) - Sunday, Mar 02, 2008 at 00:15

Sunday, Mar 02, 2008 at 00:15
Seems you have not the faintest idea how a Detroit works.
Check the link and educate yourself.

Diff Locks

Also have a look at ThreadID: 54671

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AnswerID: 290322

Follow Up By: Leroy - Sunday, Mar 02, 2008 at 00:23

Sunday, Mar 02, 2008 at 00:23
Seems you don't have the faintest idea how not to be rude and condescending!

Leroy
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Follow Up By: Member - Doug T (FNQ) - Sunday, Mar 02, 2008 at 00:37

Sunday, Mar 02, 2008 at 00:37
Leroy
Mind your business, the answer was to 80seriescruiser , not you , and I'm sure he will appreciate the help, If your so smart why don't you give him some help instead annoying the crap outa me.

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Follow Up By: Leroy - Sunday, Mar 02, 2008 at 09:52

Sunday, Mar 02, 2008 at 09:52
Doug,

You're answering the question for everyone when in a public forum. I just think there's nicer ways to convey the information.

Being so smart I reviewed the links supplied and concluded there was no need for me to supply more info as what you supplied was adequate.

Leroy
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Follow Up By: Skinnydog - Sunday, Mar 02, 2008 at 14:08

Sunday, Mar 02, 2008 at 14:08
Have read that article before and its a good one, however if you read between the lines they certainly draw attention to auto lockers limitations which are inherrent in their design whereas the main design fault with manual lockers is that they were designed for human input, so I guess once again its up to individual choice and learning to adapt to what youv'e got.
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Reply By: Member - Ian H (NSW) - Sunday, Mar 02, 2008 at 09:09

Sunday, Mar 02, 2008 at 09:09
I have an 80 with part time 4wd and put a lock right locker in the front and it is great. They are actually automatic unlockers when the hubs are locked so you can't forget to disengage them but you can still get windup. They are much cheaper than other lockers and mine have been in for 130 k kms without the slightest problem. Highly reccommended gear.
AnswerID: 290342

Reply By: Skinnydog - Sunday, Mar 02, 2008 at 13:55

Sunday, Mar 02, 2008 at 13:55
I went with the Pro locker in the rear, been in for two years and not one problem. I think you are spot on with thinking that manual would be better than auto locker. Yes it would be good not to have to think about when to put the locker in, however I was in a mates Hilux that had auto locker in front and we got caught out by rain on a desert track which turned it slippery to boggy quite quickly. In 4wd he couldn't keep it straight due to front being locked and no way of unlocking it due to not enough load to cause the unlocking action when turning due to the slippery mud. We had to go back to 2wd which meant lots of driving until stopped and then reversing a bit and having another go at ploughing through. We were both pretty sure we woulldn't have had the problem if we could unlock front without disengaging 4wd.
PS: His next vehicle has ARB lockers front and rear and he has had no end of trouble with the O rings failing which is why I went the Pro lockers. Sometimes its good to learn from other peoples problems.
AnswerID: 290382

Follow Up By: Patrolman Pat - Sunday, Mar 02, 2008 at 16:15

Sunday, Mar 02, 2008 at 16:15
"In 4wd he couldn't keep it straight due to front being locked and no way of unlocking it due to not enough load to cause the unlocking action when turning due to the slippery mud."

I'm confused, he couldn't keep it straight because it wouldn't unlock whislt turning.

If traction was so compromised that there was not enough load to cause the unlocking action then it's possible that any locker would be useless anyway, they all need traction of some sort or you just sit there spinning all four wheels.
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Follow Up By: Wayne (NSW) - Sunday, Mar 02, 2008 at 16:31

Sunday, Mar 02, 2008 at 16:31
Patrolman Pat,

The Hilux being "light" it would be hard for the auto locker to unlock on a muddy road.

It would have a tendency to want to go straight. Where it would have trouble is if it started to slide of the crown of the road, turning the steering wheel would have very little if any effect on the vehicle.

If it had a auto locker in the back the vehicle would still be hard to handle on a muddy road but a lot easier to steer.

Having a air locker is the best of both worlds, as long as it is in the rear. The front should only be installed and used in extreme conditions.

Wayne
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Follow Up By: Patrolman Pat - Sunday, Mar 02, 2008 at 16:35

Sunday, Mar 02, 2008 at 16:35
Good explanation Wayne. Cheers
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Follow Up By: Skinnydog - Monday, Mar 03, 2008 at 01:07

Monday, Mar 03, 2008 at 01:07
Cheers from me as well Wayne, you took the words out of my keyboard exactly, while I had ducked out to a local waterhole.
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FollowupID: 555881

Reply By: Steve from Top End Explorer Tours - Sunday, Mar 02, 2008 at 14:13

Sunday, Mar 02, 2008 at 14:13
I had front and rear Detroit lockers in my part time 4wd 80 series, they worked perfect.

Cheers Steve.

AnswerID: 290386

Reply By: Wayne (NSW) - Sunday, Mar 02, 2008 at 15:00

Sunday, Mar 02, 2008 at 15:00
80seriescruiser,

If you are going to fit a locker to the 80 Series fit it to the back. You will get more use out of it going up and down steep hills and still allow you to steer and drive where you want.

A locker in the front will hardly be used and the vehicle was never designed to have the primary drive on the front, if it did they would have a LSD in the front as standard.

Wayne
AnswerID: 290394

Reply By: 80seriescruiser - Monday, Mar 03, 2008 at 00:28

Monday, Mar 03, 2008 at 00:28
Thanks for the replies.

With a Lock-Right fitted to the front diff only on the 80 series, when I haven't locked the hubs in, the Lock-right's wont be turning will they?

ie. The Lock-Right is only being used when I lock in 4WD mode?

So when I am driving around in 2WD I will notice no difference in the steering performance etc?

Apologies if this sounds a novice question but trying to understand how it works.

Ta.
AnswerID: 290514

Follow Up By: Steve from Top End Explorer Tours - Monday, Mar 03, 2008 at 00:33

Monday, Mar 03, 2008 at 00:33
You wont even notice with a Detroit locker as once the hubs are unlocked the axles are not engaged the diff centre just sits there waiting to be used again.

Cheers Steve.
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FollowupID: 555879

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