Hey, the HVAC guy that just came over has an '85 LeSabre and we got talking oil.
He's currently running regular off-the-shelf Valvoline 10w-40.
Should a 1985 GM V8 run today's PCMO with it's reduced Zinc & Phosphorous, or should it run a Shell Rotella or Mobil 1 TDT or any other Heavy Duty Engine Oil/Diesel Oil?
"Jesse" will probably be reading your responses!
Thanks!!
He's currently running regular off-the-shelf Valvoline 10w-40.
Should a 1985 GM V8 run today's PCMO with it's reduced Zinc & Phosphorous, or should it run a Shell Rotella or Mobil 1 TDT or any other Heavy Duty Engine Oil/Diesel Oil?
"Jesse" will probably be reading your responses!
Thanks!!