I will only answer part of your question. Yes you can upgrade your breaks to the later breaks. I don't know about towing 5000 lbs without trailer brakes, but I know this, I don't and I will not.

Last edited by Grasscat; 09/10/12 01:18 AM.

Michael j

TreadLightly! Trainer

Grasscat III, 1994 Gen 2 Five speed, Stock ( for a little while )

GrassCat II, 1998 Gen 2.5 Locked and loaded. Ran off with Hector.

GrassCat I, 1991 Gen 1 Ran off with Justice.