driveline limitations

[eli77fj40]

I just put on a skyjacker 4" lift and 33" tires and was wondering if I can run shackles that are nearly 2" longer than stock in the rear without having any drivelines popping out or something along those lines at full extension?

 

[Gumby]

I want to say that Dave Plummer was running 4" lift and 33s and kept having his front driveshaft popping out at GSMTR one year.

 

[woody]

You should not have driveshaft problems in the rear with 2" shackles. The issue happens in front frequently with shackle reversals tho.