DCRamsey
Thread starter
Carbon,
"Like you, I was running Pennzoil Plat 5w-30 and my UOA too showed high sodium with no traces of coolant"
It is very possible that Pennzoil has added sodium to their formula.
"Like you, I was running Pennzoil Plat 5w-30 and my UOA too showed high sodium with no traces of coolant"
It is very possible that Pennzoil has added sodium to their formula.