My dad was a mechanic for 50 yrs. incl. time in the Navy wwll. he always said the best thing you could do for your car/truck was change the oil and grease it every 3k miles. He didn't like any additives. Said some would loosen crud so it ended up causing problems. On older engines some of that crud takes up slack and prevents bypass etc.
So I never use them, as my vehicles have mostly been older high mileage ones.
recently had a friend start talking about adding power steering fluid to oil. (old trick to quiet lifters)
I started to tell him, when he said it cleaned up the engine inside really well.
he said "let me finish. For an engine rebuild, prep by three ps fluid treatments at 3 oil changes will prep the engine for a rebuild. inside parts will be shiny as new saving time on cleaning for rebuild."
my car always seems to run better after I wash and polish it ; )
Last edited by 13Echo70271; 07-08-2016 at 01:35 PM.
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