I read the Spicer ad about the axle shafts in the 2013+ JK's got axle shaft upgrades. I checked my 2015 and my OEM shaft has 1350 u-joints. Are the new axles closer to the strength of chromoly axles?

I'm trying to decide if I need to upgrade shafts for EJS or just pickup a spare take-off set. I'm running 4.56 gears, 35" KM2's and ARB lockers and I don't get into the skinny peddle too much. I've got sleeves, gussets, and PS diff covers.

 

I think I recall reading that the Dana 30 got the Dana 44 joints and outer stub shafts starting in 2012 or 2014. Can anyone verify this?

 

Anybody know how much stronger chromoly axles are compared to the new JK axles? Mine have 1350 u-joints but I don't know about the strength of chromoly vs oem steel.

 

Just grab a set of take-offs for the trip
The traction is ridiculous out there and you won't need the skinny pedal. Pick the right line and just crawl the jeep. More likely to blow a rear shaft if you start bouncing while climbing.