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SportTrac Discussion
Fluids: Oil, ATF, Coolant, etc.
Yet another oil thread
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<blockquote data-quote="Rich Stern" data-source="post: 877436" data-attributes="member: 52580"><p>dreman, sorry about that. Forgot that I was registered on that site. Don't know how to post their video content elsewhere. It's propietary. Here's a test summary:</p><p></p><p></p><p></p><p>29' cabin cruiser with twin Volvo 5.0L V8s, with approximately 110 hours of run time (well broken in).</p><p></p><p></p><p></p><p>First test was with the standard oil and filter in the motors. </p><p></p><p></p><p></p><p>top speed 39.7mph at 4700rpm</p><p></p><p>fuel burn at top speed 19.5 gph</p><p></p><p>best cruise 27.2 at 4500 rpm</p><p></p><p>fuel burn at best cruise 9.7 gph</p><p></p><p></p><p></p><p>Oil and filters chandged to Royal Purple and retested:</p><p></p><p></p><p></p><p>top speed 41.5mph at 4700rpm</p><p></p><p>fuel burn at top speed 19.0 gph</p><p></p><p>best cruise 27.2 at 3500 rpm</p><p></p><p>fuel burn at best cruise 8.8 gph (this is the surprising number)</p><p></p><p></p><p></p><p>I believe the fuel burn numbers are for a single engine.</p></blockquote><p></p>
[QUOTE="Rich Stern, post: 877436, member: 52580"] dreman, sorry about that. Forgot that I was registered on that site. Don't know how to post their video content elsewhere. It's propietary. Here's a test summary: 29' cabin cruiser with twin Volvo 5.0L V8s, with approximately 110 hours of run time (well broken in). First test was with the standard oil and filter in the motors. top speed 39.7mph at 4700rpm fuel burn at top speed 19.5 gph best cruise 27.2 at 4500 rpm fuel burn at best cruise 9.7 gph Oil and filters chandged to Royal Purple and retested: top speed 41.5mph at 4700rpm fuel burn at top speed 19.0 gph best cruise 27.2 at 3500 rpm fuel burn at best cruise 8.8 gph (this is the surprising number) I believe the fuel burn numbers are for a single engine. [/QUOTE]
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SportTrac Discussion
Fluids: Oil, ATF, Coolant, etc.
Yet another oil thread
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