What where the factory options for differentials. I see alot of guys on here who upgraded to LSD's such as auburns when they change their gears out. I swear I did a two wheel burnout, not a single tire... Here is whats on my build sheet:

DMDS 3.55 Rear Axle Ratio
DRBP Corporate 9.25 LD Rear Axle
DSA Anti-Spin Differential Rear Axle

 

Sounds like an LSD to me.

Options were;
Open
LSD
3.92
3.55

It should be fine, but the weak point in the 9.25 LSD is the C-clip, though most who have destroyed them are putting them through their paces pretty hard.

 

whats the difference between the LSD and Anti-spin Differential rear axle?

 

So you think "Anti-Spin" means locker? I think LD means Light Duty....

 

mine says:

DMHP 3.92 Rear Axle Ratio
DRAS Corporate 8.25 Rear Axle
DSAP Anti-Spin Differential Rear Axle

So when I compare to novo he has a 3.55 and I have the 3.92. What is the anti-spin differential and corporate rear axle numbers of 8.25 and 9.25..... education please.

 

yes, anti-spin = limited slip. "Anti-spin" is Chryslers name for it's limited slip differential. LSD is the generic term for limited slip differential.

Lucky if you have one....

The size (8.25, 9.25) refers to the ring gear in the differential. Larger size = stronger ring gear (stronger axle)

The 3.55 and 3.92 are the gear ratios. The lower the gear, the less the RPM's at cruising speed (better mileage), but you sacrifice low end.

Don't beat me up too bad if I got that wrong...I'm not that familiar with rear ends...D'OH

 

oh yea, and the 8.25. Forgot about that little guy.

kent gots it.

Higher gear number will give great torque, and the feeling of more power, but will hurt freeway economy. However, people say their city mileage improves because the engine isn't constantly bogged down.

Lower gear number will give you lower RPMs on the freeway which helps economy, but hurts city driving, towing, and acceleration or takeoffs.

Anti-spin, LSD, "posi, positraction" all the same concept. The clutch pack or gearing system will give partial power to both wheels during cornering and slippery situations.

Big difference from a "locker" which will solidly lock the rear end, or turn it in to a "spool" so that both wheels will spin at the same speed all the time. Great for wheelin and drag racing when locked, and great street driving when unlocked.

 

sorry Novo if I stole your thread... but you had such a good question I needed more information. Last question, if you have AWD I know you can't do a burn out, but would it benefit in any way if you change from an 8.25 to a 9.25?

 

Imo it would just allow you to tow or haul heavier loads. Its just a stronger rear axle.

 

Agreed, these Dakotas were built pretty tough (except front end). With the right setup, it could easily do what a ram 1500 could do in both towing and payload. Throw some helper springs on there, an aftermarket drop hitch, trailer brake, some engine bolt-ons and you have a smaller, nimbler dodge ram.