[BCOWANWHEELS]

non detergent 30 wght. change it at 500 miles max. 250 is even better. keep it clean on assembly a must. make sure you have head checked for cracks. there notorious for cracking especiall the back 2 cylinders , also the back 2 will be worn the worst cauz they run the hottest. i run a 160 thermostat with a 3 core rad. does perfect never goes over 180 even loaded or towing heavy. hi-volume oil pump is a plus too.