Originally Posted By: chet2
people must be very ignorant about pennzoil spanky if they still bring up the sludge storys...from what i hear engine makers changed something on motors w/o telling refiners which led to oil running hotter in engine during 70s leading to sludge...QS is a great oil for the price but i think PZ and mobil have best conv oils
yes, they are. like i said, it's very frustrating to deal with.
people must be very ignorant about pennzoil spanky if they still bring up the sludge storys...from what i hear engine makers changed something on motors w/o telling refiners which led to oil running hotter in engine during 70s leading to sludge...QS is a great oil for the price but i think PZ and mobil have best conv oils
yes, they are. like i said, it's very frustrating to deal with.