Quote:
Originally Posted by PaleMelanesian
And the conclusion was...
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http://www.xs11.com/stories/croil96.htm
That refreshes my memory. 75 cabs. 60k miles each. 6000 miles of stop-idle-go per change with sliding lifters (they removed the stock roller lifters). 4.3 v6 Caprice cabs. 20 oils (2 synthetic) three engine treatments, etc. Lab tests, before and after measurements...