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I've heard for some time from "some" folks that you shouldn't run synthetics like Mobil One in an older engine, as the molecules are thinner than regular oil and it may cause an older motor to start leaking. Any truth to this, or is it just an old wive's tale?
The engine in my '95 is drier than a popcorn fart, and I don't want to do anything to louse that up.
I had been running Mobile One exclusively in my '89, but that was a fresh engine.
Also, what's your opinion on the engine treatments like Slick 50? A friend once tried to sell me on another treatment (can't remember which one) that he claimed had much smaller molecules. He claimed that Slick 50's active agents were all caught in the filter almost immediately as it cycled through, but I know a friend of mine through it in an old 390 truck engine and the dang thing started idling faster!
BTW: When I put my flowmasters on the '95, it started running cooler. That's some serious flow!
The engine in my '95 is drier than a popcorn fart, and I don't want to do anything to louse that up.
I had been running Mobile One exclusively in my '89, but that was a fresh engine.
Also, what's your opinion on the engine treatments like Slick 50? A friend once tried to sell me on another treatment (can't remember which one) that he claimed had much smaller molecules. He claimed that Slick 50's active agents were all caught in the filter almost immediately as it cycled through, but I know a friend of mine through it in an old 390 truck engine and the dang thing started idling faster!
BTW: When I put my flowmasters on the '95, it started running cooler. That's some serious flow!