C is the best choice

B is to much work for the result

D Carbs suck

A best choice but not likely to get any more power since they dont make any parts for it


94 Rodeo 3+3 lift Red)
95.5 Rodeo 1" Body lift Dana 44' front & rear 4.88 gears 35"s 176,000 miles Optima Yellow top InexAir Co2
front winch bumper custom rear bumper, Hella 500's
2004 Silverado duramax