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Re: diesal oil


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Posted by Jon Hagen on September 04, 2007 at 17:29:19 from (12.175.230.38):

In Reply to: diesal oil posted by Lanse on September 04, 2007 at 16:05:11:

As long as the small gas engine does not have a cat converter,( I dont think any do unless it is in a small car or pickup), then the diesel oil is actually better for your engine. Most Gasoline only oils (API S rating) no longer have the zink phosphate additive that is necessary for long life of a flat tappet cam/lifters. Modern car engines no longer use flat tappet cams/lifters, so they removed the additive because it damages cat converters at very high mileage. Diesel oil(API C rating) still contains the zinc phosphate additive, so it better protects older or lawn & garden type small engines from cam/lifter wear.


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