The following rule effects only minis with planetary type rear axles.
Effective Immediately (6/4/2018):
Mini Rods with Planetary rear axles must shield the transmission with a minimum of .125 steel or titanium. Shield must cover the full width of the transmission (minus the reverser) top and both sides while open at the bottom in a “U” shaped over the transmission. Shield not to exceed one inch air gap between shield and transmission. Shield must be attached at the top forward to the engine plate or engine and at the bottom to each side of the chassis.
Or be allowed a transmission blanket consisting of 15 layers of Kevlar or 20 layers of ballistic nylon attached in the same fashion.