Ok so i put a 14bff out of a 1 ton and 8 lugged a 10 bolt on my 88 jimmy. Now when I step on the brakes to stop slightly harder than a normal stop my back brakes lock up. Its seems like my fronts aren't doing anything. I've replaced the MC with a known working good one and I've replaced both calipers. I have bled the system and have good fluid at all 4 corners. I've adjusted the drums properly and even tried backing off the adjusters but then i just get no peddle and horrible brakes. Also the pads on the front look like they are in good shape. Does anyone know why i get this problem. I'm thinking this weekend i'm gonna get new pads and rubber lines up front. But i don't think thats gonna help. Can some one verify the application and maybe even a part number for the longer front brake lines. Its it a 92 chev 2wd 1500 truck?