Test oil pressure guage using air compressor at several different pressures: 25, 50, 75, 100, 125, all within 1 psi of separate test guage.
Plug right front oil pressure port. Install oil filter, NAPA Gold #1085 after filling with 14 oz of oil. Add engine oil, Valvoline VR1 20W-50. 2 qts is 1/2" from bottom of dipstick 2.5 qts is 11/16" from bottom of dipstick 2.75 qts is 1" from bottom of dipstick 2.75 qts is 5.5" from top of dipstick tube Top mark on wire tie is 2.75 qts Remove 2 bottom spark plugs, crank engine to achieve oil pressure, reaches 30 psi.