One more question, gentlemen... We have to get the trailer to the dealer for some warranty work. It's about 60 miles one way, gradually downhill from 3000' elevation to less than 100'. They will ...
Breaking in an ICE is completely different than breaking in a gear set
ICE break in is mainly for the wear pattern on the cylinders to both seal and have the valley's to hold lube for the next piston ring pass to pickup lube
Gear sets nothing to do with combustion ring sealing and lube reservoirs, but gear face marrying the other mating gear face