Rislone has a new oil additive

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Bought some on Amazon..around $20 Put it in one of my work Explorers with 4.0 SOHC with over 200,000 miles. Two long timing chains After a few hundred miles engine is smoother and quieter. Gas mileage has increased by over 1 mpg. Will see how it continues but so far it is positive. Ordered some more for other vehicles
 
Yeah, the 4-ball test method too!
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Well I'm sticking to Everglide. It used the ASTM D4172 standard test. It is also moly-graphene based.
 
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