Hook up trailer then pull truck onto stands or whatever about 10-12" high, that'll tell you if lift you want is feasible. I'm gonna guess not, but maybe close to acceptable, you'll be better with 4" and 35's. That 3-4" difference is a lot when towing is in question.
As for flipping axles make sure trailer height isn't too much afterwards.
As for flipping axles make sure trailer height isn't too much afterwards.