Recent Member Tested & Recommended
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Royal Purple High Performance Marine Oil
MSRP: $9.60 per quart
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| Member Tested Rating: 9.5 |
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Royal Purple’s High Performance Marine Oil is formulated to enhance performance and provide superior protection to four-stroke marine engines. Benefits include cooler operating temperatures, increased engine efficiency and maximized horsepower and torque. Royal Purple’s proprietary Synerlec technology enables HPM to exceed the harsh demands of marine applications. Contact: Royal Purple at (888) 382-6300; royalpurple.com
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MEMBER TESTED RESULTS |
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Donald Moss, Rose Bud, AR
“When I switched to Royal Purple Marine Oil in my older 20-horsepower Mercury outboard, the engine ran smoother, fuel efficiency increased and I saw improved performance.”
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Richard Johnson, Rio Rancho, NM
“The Royal Purple HPM Oil made my Honda four-stroke purr like a kitten. It allowed me to troll at slower speeds and kept my motor from loading up or misfiring.”
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Comments |
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