hi im a soldeir just picked up a c20 puckup and well its a peice im trying to overhaul the entire truck but i know only basics on every motor and well i was wondering is their a larger block i can put in the silverado c20 6.2 liter duramax the would be easy to drop in and atach a 700 series transmistion to and i was wondering if any one could tell me were to start for rebiulding the top end of the engine and the torque specks and titening pattern for the heads and for the intake manafold or even were to pick up a fuel in jector pump j series its an 82 if so please contact me @ [email protected] sinserly silveradoc20help