I recently purchased a 2004.5 GMC HD 2500 ( 45000 miles) and would like any info on synthetic engine oil ? And which filters were used?
I recently purchased a 2004.5 GMC HD 2500 ( 45000 miles) and would like any info on synthetic engine oil ? And which filters were used?
you can refure to my post here for my Experience with a Para-Synthetic oil.
LINK
Main rig-1978 chevy 3/4 f/t 4x4 8" lift 38 14.5 16 toyo m/t's. BUILT 350(soon to be 6.2) quad batteries. front and rear 15k winches. lockers F/R. dana60 front full float corp 14 rear. th400/np203.
donor rig. 1988 GMC K3500 140k miles, th400. IFS(read CRAP) semi float 14 rear. drove it 142 miles home at 17mpg and 1/4 quart of delo 400.