The Cummins ISX is not a small-block Chevy. Guessing torque or reusing bolts on new main and rod bearings leads to spun bearings, cracked caps, and a failed $30,000+ engine. The correct specs are:
Tighten in numerical order to 30 ft-lb (40 N·m). Loosen: Completely loosen all capscrews. cummins isx main and rod bearings torque specs new
Main bearing caps use a different torque value and a larger final rotation angle. : Tighten both capscrews on each main bearing cap to : Loosen both capscrews completely. : Retighten in the recommended sequence to (149 N•m). : Rotate each capscrew an additional 180 degrees JustAnswer Critical Assembly Tips ISX Cummins Rod And Main Bearing Torque Specifications The Cummins ISX is not a small-block Chevy