S10 with a 5.3
#3
Bone stock 40k mile 5.3 out of 2004 avalanche. Comp 273lsr cam. Arp head bolts 799 heads cleaned up and shaved .20. Trunion upgrade and trick flow pushrods. Victor jr intake 650 Holley dp. JW 10 inch converter 3600 stall. Th400 3.50 gear. That's the complete run down.