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HarryD HarryD is online now
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Join Date: May 2002
Location: Portland, Oregon
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Bad news is that the additive package has been changed and not for the better.

Quote:
Originally Posted by Bill Verburg View Post
There have definitely been formulation changes in some oils over the last 10 yrs.

LN Engineering puts out an informative series of updates on this topic

here is the latest detailing changes in Brad Penn and VR1

LN is recommending the newest line of Driven oils, specifically Driven GP-1 20w-50 or 15w-40 for the aircooled cars

I see no change in M1 15w-50 and will continue to use it in my cars.
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Old 08-08-2020, 10:42 PM
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