03 Chevy 2500HD May 15, 2020 5:13:44 GMT -5 via mobile Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by mayhem19 on May 15, 2020 5:13:44 GMT -5 Looking for any good input. First truck build for me.2003 Chevy 2500HD regular cab long bed.Using the stock 6.0/4L80E