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Locked IFS bad or not ? #1106333 06/14/21 02:28 PM
Joined: Aug 2020
Posts: 179
T
Trailmonkey Offline OP
Wheeler
Friend of mine is saying it's not a good idea to lock an independent front suspensioned truck, says the front trys to pull different directions and will bust CV axles or parts.
Yes a straight axle is stronger, yes locking any puts more stress on parts.

But even if the IFS flexes more why would that cause a CV axle to pop vs actual steering and suspension movements ?

Even though I want to do the bad and dirty way of locking with a welded diff (yes I am aware of all the drawbacks as I've had and drove a welded rig) he just means in any way locked. A LS is only recommended for the front unless you have done a lot of HD upgrades. I think he has been reading only the bad cases or people who are scared of them.

Yes I will end up welding both front and rear of mine, mine gets drove on the street but not daily or a lot,I know how to drive on the street with it, mines a LWB Montero with 31-10.5 ATs... no rock crawling or hard bashing, I simply want to Not have to gas it hard to go up a washout or a ditch on an angle, open or LS you need more momentum and gas. I also wheel in N Florida, more sand, mud and soft dirt, I tend to try and crawl over and though stuff vs give it the gas and hang on type of driving, but some sandy and muddy spot you just gotta gas it lol

What say you that been there done that and or knows the truth about this ?

Last edited by Trailmonkey; 06/14/21 02:36 PM.

91 (Gen1) Monty, 3.0L V6, Auto 4 Door.
Disabled Driver.
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Re: Locked IFS bad or not ? [Re: Trailmonkey] #1106334 06/15/21 01:56 AM
Joined: May 2007
Posts: 576
R
rascott Offline
Rock Warrior
*****
my locker experience is with suzuki, but i found the front locker invaluable.
i used autolockers front and rear.
a cvjoint broke first time out, but i think it was just a fluke, 'cause i didn't break anymore after that.
broke the axle in the carrier once also, but that was me- doing some rock hopping on the dusy-ershim. still had 3wd. still got home.
i learned how hard to hit it.
i know nothing of how welded gears would work, but either way it would put more stress on things.

autolockers(&welded, i'm sure) don't make good daily drivers, but i don't tow.
worth it off pavement, i think, and the mitsus i've run with use 'em.


'94 "tracker", with some parts from suzi the psychic.
other modifications made, with more to come.
some intentional.
suzitoo should get me fishing.
kj6esv
Re: Locked IFS bad or not ? [Re: Trailmonkey] #1106337 06/15/21 03:55 PM
Joined: Dec 2007
Posts: 2,330
Mudraider Offline
Body Damage is Cool
I've ran a welded front diff on 4 different Mitsubishi trucks. For traction in deep mud and water, it's awesome. Tight turns suck though when you have both MANUAL hubs locked. When the trail gets tight and you need to turn, I unlock a hub. And I've used Aisin, Superwinch and the cheapie Chinese ones. I have only broke once in that time do3n here in Florida, and that was at Hardrock Off-road Park in Ocala. I was going up a 60° slope, doing 4k-5k rpms for a few minutes. I hit a spot where my 37" tires grabbed and 💣💥, bang, a cv exploded. Manual hubs are the key to a welded front diff. I'd never run it on the street. And if'n I Iived up North. I would only drive in the snow with 1 side locked.


89 SWB, V-6 5SPD, OME Shocks, 16.5X37's, 2"BL, SR axle, Gen2 brakes, Lincoln w/Superwinch
Re: Locked IFS bad or not ? [Re: Trailmonkey] #1106338 06/16/21 08:01 PM
Joined: Feb 2005
Posts: 7,436
rxinhed Offline
Trail Leader
*****
TM is also going to replace (or have spare) Auto Hubs, so that he doesn't have to get out to lock up. We've discussed Aisin hubs already, and those are no go. For trail spares, I'm going to gather some of the fixed flanges to put in his tool box.

Frank...snow in FL? How common is that? wink

Re: Locked IFS bad or not ? [Re: Trailmonkey] #1106339 06/17/21 12:30 AM
Joined: Aug 2020
Posts: 179
T
Trailmonkey Offline OP
Wheeler
On the auto hubs. I've learned if you roll back down the hill make sure that they didn't disengage before jabbing the gas again. I will be mindful of this from now on.


91 (Gen1) Monty, 3.0L V6, Auto 4 Door.
Disabled Driver.
Re: Locked IFS bad or not ? [Re: Trailmonkey] #1106342 06/19/21 05:15 AM
Joined: Feb 2005
Posts: 7,436
rxinhed Offline
Trail Leader
*****
...another reason you'll be paying only shipping for the auto hubs, my fine-feathered friend...

Re: Locked IFS bad or not ? [Re: Trailmonkey] #1106345 06/19/21 10:14 PM
Joined: Aug 2020
Posts: 179
T
Trailmonkey Offline OP
Wheeler
Thank you so much Russell.


91 (Gen1) Monty, 3.0L V6, Auto 4 Door.
Disabled Driver.
Re: Locked IFS bad or not ? [Re: Trailmonkey] #1106349 06/25/21 12:50 AM
Joined: Aug 2020
Posts: 179
T
Trailmonkey Offline OP
Wheeler
Anyone know where I could possibly get a Aussie locker for the front ?
If we get another stimulus check I'm putting it all in the truck.


91 (Gen1) Monty, 3.0L V6, Auto 4 Door.
Disabled Driver.
Re: Locked IFS bad or not ? [Re: Trailmonkey] #1106357 06/29/21 10:30 AM
Joined: Sep 2006
Posts: 2,678
OldColt Offline
Roll Me Over
*****
My opinion, since you live where you have no need to be in 4wd on hard ground such as pavement you should be fine with a welded diff.
Some people will say it will break, but then some people can break a crow bar in a sand box.
I would definitely use manual hubs.


Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.
Re: Locked IFS bad or not ? [Re: rxinhed] #1106358 06/29/21 05:43 PM
Joined: Aug 2020
Posts: 179
T
Trailmonkey Offline OP
Wheeler
Originally Posted by rxinhed
...another reason you'll be paying only shipping for the auto hubs, my fine-feathered friend...


Just dont die of heat stroke doing it man. 117* is mighty hot.


91 (Gen1) Monty, 3.0L V6, Auto 4 Door.
Disabled Driver.
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