Re: Motor oil warning!
They do use the same tappets. Any old school engine like the 4.0, or my Chevy 350 and even my Subaru engines have this issue. After reading the above post from a Shell guy, I was surprised to hear that the cats are fouled by those metals. Mine has not been. I have also had an oil rep from Valvoline tell me that the new formulation was due to most engines using roller cams now. But they again, they put these additives in most of their oil and have the highest amount of them available in their racing oil, which I highly recommend
230 hp 4.3L Chevy
Built 4L60E with manual lockout
Atlas 4 speed
Griffin radiator
On board air
Warn 9.5ti on custom bumper
7.5" RE front and bastard pack rear on custom long arms
30 gal gas tank
lockers
And a bunch of other stuff
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