Thread: Oil and additives
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  #38  
Old 08-31-2018, 03:14 PM
68 461 Bird 68 461 Bird is offline
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Quote:
Originally Posted by Fullsize455 View Post
Conventional diesel oils are not designed for prolonged high RPM,.
What do you consider prolong high RPM? On a long trip (3-5 hours) at 65 to 70 mph, my engine is at 3200 RPMs.

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