"New" Helical LSD for our fron - Drivetrain Tech - Tech Section

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Posted: Sat Apr 13th, 2019 11:02 am

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Arthur
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I'm currently running 33's with 3.73 gears and while its still driveable empty on the road, when loaded and offroad it's not quite cutting it. 4lo helps but still.
I'm regearing to 4.56 soon, gonna be an expensive job since I don't have the tools or space to do gears myself right now.
So I want to go the "might as well" route and add some traction. I'm going with lsd's front and rear because I don't want to put a locker auto or selectable in the front because IFS and manual nor probably in the rear because again manual and I'm driving on snow/ice/slush/mud and everything in between 5-6 months out of the year. For the rear if the lsd isn't enough i can always change later but 2 torsen style limited slips should be plenty capable for me. The front will stay LSD for sure.

SO... In my ongoing search for a Helical gear type LSD for my front diff, I contacted Torsen for a T-2 and a new batch will be available "end of summer-ish" is what they told me.
I don't want to wait that long ideally so I kept searching and lately I stumbled on
Powertrax Grip-Pro by Richmond. The no-slip and lock-rite etc.. have been available for a while but this one never popped up on my searches before, only in the last weeks.

Powertrax Grip-Pro GT443527
It's a helical gear limited slip and they list it everywhere as available for he DANA35 , sometimes with a special bearing and race needed.
Some even mention c-clip axles.
The 98 up ranger is in the application charts, explorers too.
So my question is, are all the sites/vendors confused by the IFS DANA30/35 Jeep/SLA/c-clip/non c-clip thing?

https://www.powertrax.com/traction-systems-product/369907-limited-slip-differential-gt443527/?crt_viaSearch=groupcode%3AGPRO
https://www.carid.com/powertrax/grip-pro-traction-system-mpn-gt443527.html
https://www.jegs.com/i/Powertrax/754/GT443527/10002/-1
https://www.amazon.com/Powertrax-GT443527-Powertrax-Grip-Traction-System/dp/B01C8INGIE

It's cheaper than a Torsen too.

So, too good to be true?

edited, it keeps posting backslashes before ' and " and wow I need to keep my posts shorter

Last edited on Sat Apr 13th, 2019 11:09 am by Arthur

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Posted: Sat Apr 13th, 2019 01:30 pm

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JAMMAN

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Looks decent, still looking for reviews and a real cutaway so you can see more of what is on the inside.

I had my sights set on a trutrac but if I can find a torsen already in a ranger rear setup I would rather do that than having to set it up myself.

Might be an answer, though it is less expensive than a torson or trutrac it is still the same amount of work to install.

Thanks for posting this!

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Posted: Sat Apr 13th, 2019 03:39 pm

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Arthur
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TrueTrac is very probably what's going in the rear for me too. I think it actually has a higher Torque Bias Ratio than the Torsen T-2. (then there's the T2-R but they never make 'em...)
The Grip Pro has 3x2 helical gears which seems to be the same as the TrueTrac while the Torsen has 8 but I'm not sure it seems to depend on model/application

I went through the whole process off:

Let's find a rear axle out of a levelII so I have 4.10 and a Torsen.
But I have to regear the front too so...
Might as well go to 4.56.
But then I'd have to regear the rear Torsen so...
Might as well put a TrueTrac or T2R in the back and rebuild everything.
But then if I have the front open for the regear...
you guessed it, might as well put an lsd in there too.

Damn Mightaswell...

So yeah really curious if this would work or if I have to test it out for everyone maybe? ;)

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Posted: Sat Apr 13th, 2019 05:28 pm

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Eddie Money
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Im not sure if it's the same Richmond but I've used Richmond gears in my old hot rod. I really abused and beat on them too cause I was young and didnt know better. They worked great and took everything I threw at them.

Last edited on Sat Apr 13th, 2019 05:32 pm by Eddie Money

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Posted: Wed Apr 17th, 2019 12:56 am

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Sorry for a shameless plug for a comment with lack of recent particpation but if we can assist you in finding anything, please keep us in mind.

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Posted: Wed Apr 17th, 2019 07:48 am

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Arthur
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Well have you guys been in contact with Powertraxx/Richmond?
I can barely find any reviews or people who know about/installed the Grip-Pro. There's a couple on Jeep forums as usual and preliminary reviews seem ok, not much different then a TrueTrac.
And I'm still not 100% sure it atually works in the Ranger

I can't justify the $$ of ARB's front and rear.

And, you guys have lots of goodies but one has to prioritize right?

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Posted: Thu Apr 18th, 2019 02:42 am

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Arthur wrote:
Well have you guys been in contact with Powertraxx/Richmond?
I can barely find any reviews or people who know about/installed the Grip-Pro. There's a couple on Jeep forums as usual and preliminary reviews seem ok, not much different then a TrueTrac.
And I'm still not 100% sure it atually works in the Ranger

I can't justify the $$ of ARB's front and rear.

And, you guys have lots of goodies but one has to prioritize right?

We are a Richmond Dealer and even though we're not a Powertrax Dealer, you should find all your specs here if you haven't already. This is the Ford Ranger Application specific part - https://www.powertrax.com/traction-systems-product/369907-limited-slip-differential-gt443527/?crt_viaSearch=path%3Apart%253Adifferential-lock-assembly%3Bposition%3A%2523%2528rear%252C%2Bn-a%2529%2523%3Bdifferentialcasedesign%3A_ANY_%3Byear%3A2008%3Bmake%3Aford%3Bmodelandsubmodel%3Aranger%3Benginesize%3A_ANY_

Either Brand as well as similar others, are a type of part that it either works as intended or doesn't and not something that seems to be widely reviewed as much as perhaps the brand name as a loyalty to start. So I could see where reviews would be a priority as most people in our realm of the Ranger community that unless you're a die-hard Ranger guy willing to actually throw money at that particular modification, again rarity may be another variable as to why reviews would be limited.

ARB is a large pill to swallow, we definitely get it. But we do sell "wants" and not "needs" [necessarily] and the general vehicular communities that do use ARB almost exclusively are mostly Jeep, Toyota, Nissan, Land Cruiser, and essentially worldwide vehicle platform owners that put trust and money into their vehicles because they use them differently that the US market.

We actually sell quite a lot for the Newest 2019 Ranger and quite a bit of parts for the 2012-2018 World Ranger more so than its older counter parts it seems. Sadly some of our ranger owners that do support us too are generally more interested in maintenance issues/concerns than they are up-fitting a 20-25yr old vehicle platform. Simply put; most Ranger owners aren't going to that extent to modify their trucks.

I think as a whole, which ever product fits within your budget constraints, I don't think you could go wrong really. If I may, I'd suggest contacting both companies since reviews are limited and not only question one of their techs on the specific part number for the application in question, but raise the question of the other product and see what they say and consider whichever company gives you what you need and hopefully doesn't bash the other company in order to try to earn your business. But I'd purchase all your parts and have the work done at the same time as your new gear ratio as they'll already be R&R'ing the guts anyway, it should be less cost. That's my personal and professional opinion.

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Posted: Fri Apr 19th, 2019 12:33 pm

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Why go with a Limited Slip unit in the front diff, I am guessing here but with most of the better units and in wet conditions, if you lose traction both wheels spin and the truck will go sideways. Where if you just had the single wheel pulling in the front the truck will stay its course better.
A good Locker in the rear will surface most 4x applications and if you have the money, a Switchable Locker in the front, i.e. OX, ARB !

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