Bernd, just curious, but have you sent any of the used oil in for an analysis? I'd like to
see the results to compare to mine. Maybe the RP oil was flushing out some sludge, but the
lifter valley was spotless when I swapped the intake manifold about a year ago so I have
my doubts.
John
http://jndneff.home.texas.net/dakota/dakota.html
>I've been using the Royal Purple oil now for almost 6 months. No
>problems in my wife's 94 Jeep, My '97 Dak, or a few other Dakota's that
>we're using it in. (Including a few GM's as well - L98 and LT1
>engines.)
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