How about useing STP Oil Treatment in your HD
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I don't know of any good reason to put additional additives in a quality synthetic oil. These oils already contain a mixture of additives that are designed to work together as blended. Unless your a chemist, your addition of an extra additive could work to upset the designed chemical balance of the oil.
With today's high tech oils, things like STP are yesterdays news IMO, other than in specialized applications.
With today's high tech oils, things like STP are yesterdays news IMO, other than in specialized applications.
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I been useing it now for over 40 years i been flying and still useing it today did you ever see a eng. lose all it oil and keep running on STP for a little longer I have if just may make the difference it you make it or not O well that just me
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