So i am this morning an get a Call from my buddys out east.... Today First pass after hurting the fastest nitrous 4.8 last weekend the 100.00 Core 5.3 they pulled the heads off to inspect and pan and found nothing.............. Blew up the 4.8 on Friday night... Swapped all used stuff from the 4.8 used headbolts,gaskets and seals to make the 5.3 run again and stuffed in it.. had it running at 3am Sunday........ First pass today with quick over the phone tune 13.9X ... adjust 13.8.... then 13.77 .. 13.66 98mph.. 2.0 .60s ... This is 100% stock motor only mods are headers and U/D pulley.. no Cam,valve springs Wore out slicks and nothing for traction and only a 4.10 gear..... Now.... time to turn on a baby kit...