2500 4x4 front hub conversion

[William Rohler]

just bought a new 2018 2500 tradesmen 6.7. Has anyone done a free spin hub conversion on these trucks, and have you noticed any significant difference in mpg and the way the truck handles?

 

[TCDiesel]

They already have axle free, I don't see how the free spin hubs will make the effort worth it, You can buy the 2 Wheel low kit at Geno's Mine has work flawlessly https://www.genosgarage.com/product...-differential-kit/switches-sensors-drivetrain

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[AEdelheit]

Ohhhh, I did not know they had a 2wd low kit out for the new trucks but have a lot of people ask me about it, thanks for posting that.

 

[TCDiesel]

JHawes .... https://www.turbodieselregister.com/threads/bd-diesel-performance-2wd-unlock-kit-review.255451/

 

[William Rohler]

JHawes .... https://www.turbodieselregister.com/threads/bd-diesel-performance-2wd-unlock-kit-review.255451/

https://www.genosgarage.com/product/sast-d1215-spyntec-dodge-locking-hubs/hub-conversion
This is what I’m referring to with unlocking hubs, guess I should say manual hubs.

 

[kthaxton]

In a dramatic turn of events, I agree with TC.....no real mileage to be gained because of the existing axle disconnect....and if you want to 2 low, get the BD kit. I installed one, and am very please.

 

[TCDiesel]

You'll Survive...........

 

[kthaxton]

maybe.....

 

[6.7LRigby]

I just ordered the BD kit. This is a great idea! Very glad I found this thread

 

[Deleted member 995608]

I use my 2wd low frequently. BD hit it out of the park on this kit

 

[KPear]

It's amazing how none of these posts are directly addressing the OP's question.

OP, Dynatrec makes a free-spin front axle kit (they come with Warn Hubs): https://www.dynatrac.com/free-spin-kits/dodge-truck.html
there are similar kits from other vendors, but Dynatrec's is highly-regarded.

Supposedly, OEM's CAD setup (central axle disconnect) does allow for slightly better fuel efficiency due to less moving parts when 4wd is not engaged. I really don't think switching back to a locking hub setup will degrade your efficiency all that much.

It is considered to be more robust than the OEM CAD setup, especially in technical terrain. With that said I think the CAD will work just fine for the typical driving seen by 95% of Ram owners. The new Jeep JL also transitioned to using a CAD setup...I guess we'll wait and see how well that holds up in hard-core rock crawling.

 

[kthaxton]

It is considered to be more robust than the OEM CAD setup, especially in technical terrain. With that said I think the CAD will work just fine for the typical of driving seen by 95% of Ram owners.

Unless there is something I'm missing, the hub conversion kit does nothing to eliminate the functionality of the CAD system, it only replaces the hubs. So, the hubs (bearings etc) are more robust than stock, but the CAD system itself is unchanged.

 

[KPear]

Unless there is something I'm missing, the hub conversion kit does nothing to eliminate the functionality of the CAD system, it only replaces the hubs. So, the hubs (bearings etc) are more robust than stock, but the CAD system itself is unchanged.

The Dynatrec free spin kit (mentioned in my previous post) replaces the factory axle shafts (including the locking collar of the CAD system) with solid, one-piece axle shafts. So indeed the CAD system is replaced. The locking hubs are an additional feature that come with that kit.

 

[kthaxton]

The Dynatrec free spin kit (mentioned in my previous post) replaces the factory axle shafts (including the locking collar of the CAD system) with solid, one-piece axle shafts. So indeed the CAD system is replaced. The locking hubs are an additional feature that come with that kit.

That would make sense....but everything I see on their page only shows outer stub shafts included, not the inners. What am I missing?

 

[KPear]

The Dynatrec free spin kit (mentioned in my previous post) replaces the factory axle shafts (including the locking collar of the CAD system) with solid, one-piece axle shafts. So indeed the CAD system is replaced. The locking hubs are an additional feature that come with that kit.

My apologies. I think I misspoke. The kit itself may not include the replacement axle shafts, but they are designed to be used with aftermarket axle shafts...I think a few different companies make them.