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Originally Posted by Bob In Ct
Don't use racing oil. Don't use additives. Don't use a viscosity higher than necessary to give you the pressure you desire. There is a pretty good chance that the major oil companies know what they're doing.
Although I have no proof, I would be very afraid of putting Dextron into my crankcase to remove sludge I probably don't have. When I was a kid (the 50s) the guy that owned the "filling station" near our house would use kerosene to clean out engines. I change my Mobil1 once a year, Last time I looked at the inside of the valve covers they had no sludge whatsoever.
Bob |
Bob,
Modern oils for modern engines. Period.
All of todays cars run tight clearance piston to wall and are hydraulic rollers.
That's what todays oils are designed for.
They don't design modern oils for yesterdays technology.
Valvoline Racing
oil has enough detergent to prevent sludge unless of course you, are planning to run it for 10,000 miles.
I would think the average Cobra guy changes oil frequent enough.
It has the additives for flat tappet that are not had in modern oils and are not emissions legal.
Last time I checked, the average carb'd 60's motor wasn't emissions legal so,
"It's a match"
