hi. I have currently purchased a d60 high pinion front and will soon get the rear.Its spring pearch is set for a 10 inch lift and its got 513s,non reverse ring gear(standard) installed and arb.Im searching for diffrent lift configurations for this application but cant decide which one!!I want to talk with others who have 1 ton HPs to find out what they did and used,and what they may have changed if they could do it all over again.1 TON HP GUYS, ARE YOU OUT THERE?????ps its going in a 85 blazer silverado 350 700r /forums/images/graemlins/cool.gif FEEDBACK PLEASE!!!!