Okay have a 1997 12v out my mud truck excb 2500 on 2.5 with v treads it's just to much weight for my truck going blown bbc. The motor has new head gasket Darren Morrison put new bolts an re TQ back down to 135lbs its has 5ks,scdv,all 60lb value springs has a set of 370s injectors, afc spring...