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SportTrac Discussion
Fluids: Oil, ATF, Coolant, etc.
Royal purple, interesting report
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<blockquote data-quote="Rodger Tellefson" data-source="post: 856244" data-attributes="member: 54643"><p>I do know that (anecdotally) when I switched from dino oil to synthetic (i.e. RP) my ST ran smoother, accelerated easier. Draw your own condclusion. I do know that when I switched the diff oil out to RP I did get a <em>measured</em> (before & after) 1 mpg more. I did not feel the need to do a before & after measured test when I switched to RP five years ago; and now in hind sight wish that I had. Also, I did read in a truck magazine, which I posted here a couple of years ago, and they did do their independant test which showed an increase in hp and mpg by putting RP in the engine, transmission and differential.</p></blockquote><p></p>
[QUOTE="Rodger Tellefson, post: 856244, member: 54643"] I do know that (anecdotally) when I switched from dino oil to synthetic (i.e. RP) my ST ran smoother, accelerated easier. Draw your own condclusion. I do know that when I switched the diff oil out to RP I did get a [i]measured[/i] (before & after) 1 mpg more. I did not feel the need to do a before & after measured test when I switched to RP five years ago; and now in hind sight wish that I had. Also, I did read in a truck magazine, which I posted here a couple of years ago, and they did do their independant test which showed an increase in hp and mpg by putting RP in the engine, transmission and differential. [/QUOTE]
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SportTrac Discussion
Fluids: Oil, ATF, Coolant, etc.
Royal purple, interesting report
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