904 Trans safety question
Just prepare yourself and use proper procedure when shifting. You'll be fine.
http://www.forabodiesonly.com/mopar/showthread.php?t=2167
3) Misuse/abuse on the street or strip in first gear.
-Remember you can only damage the sprag in 1st gear. Start your burnout in 2nd, and shift to 3rd. When on the street, repetitively getting in and out of the throttle while in 1st gear can damage the sprag.