I've run in to some issues on my 88 F250 recently. I've noticed that I get pretty severe axle hop when I'm backing up a lightweight (

 

When you are backing up a lightweight what?

All these HD trucks suffer from wheel hop in certain conditions due to the stiff springs, but any lift will amplify it especially one that uses lift blocks. The solution is removing the lift or adding traction bars.

 

Hmm that's weird, it cut off half my message

Backing up a 1500 lb trailer, and when I'm doing a hill start in first