Originally a 5.7. Lextech's a/c kit lets you keep the original location of the compressor so no modifications are required. I didn't even loose the freon during the swap.
97 RCSB . 2WD . 5.3 . 4l60E . E-FANS . PNP 706s . TSP 228R . 3600 STALL . HD2 . VETTE SERVO . 3.73s . 2" DROP
TURBO IN THE WORKS