Blew up my L...ok i have a 2003 L with 18k miles...i ran a bad a/f an melted piston #5..so yeah now im fighting with dealership on warranty..but the person who had the truck before me had a chip,which i did not know about, so they might deny my warranty because of the chip,so would it be possible to take it back to the dealership i got it from an be like hey yalls gotta pay for this because u never told me it was chipped,,an you said it had the remaining factory warranty,but since it was chipped then the warranty was void..so thus u sold me the truck without a factory warranty..any ideas on this..an if (hopenot) im totally fked what exactly do i need, an does anyone sell any performance parts?.short block?..they said my piston was melted and the valve wall was scortched..any help is appreciated thankx guys..