royal purple
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Joined: Oct 2006
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royal purple
anyone used this oil in there trucks? I'm due to change the oil. I've been using the motorcraft semi-syn, and i wanted to go full synthetic since its finaly getting cold here. any opinions?
Senior User
Joined: Dec 2004
Posts: 399
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From: New York
never used it....friend uses it in his ram 5.9 and hasnt complained
i use amsoil though....in everything, tranny, diffs, tranfer case and engine.
i use the series 2000 0w-30 and their Ea oil filter....ive had great success with it and will continue to use it
i use amsoil though....in everything, tranny, diffs, tranfer case and engine.
i use the series 2000 0w-30 and their Ea oil filter....ive had great success with it and will continue to use it
Cargo Master
Joined: Aug 2002
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From: Cajun Country
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Post Fiend
Joined: Feb 2000
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From: Kansas
Has anyone checked out the oil and lubrication forum? A topic for sure.
https://www.ford-trucks.com/forums/forum70/
https://www.ford-trucks.com/forums/forum70/
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Joined: Dec 2003
Posts: 18,423
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From: iowa
Originally Posted by Bob Ayers
All Royal Purple oil products are API certified, unlike Amsoil which has only 2 oil products that are API certified.....
now as to RP, I have used it in my race engines for the past couple of years, and find that my bearings are living longer and the engine is keeping oil preasure better under the extreme conditions I put them through, I also noticed a 10 deg temp drop in my transmission, and the fact that it's not just burning the ATF up after a couple of races like I used to get with other oils.
Postmaster
Joined: Jan 2003
Posts: 4,417
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From: Durham, NC
Originally Posted by monsterbaby
Bob thats not totally true, not all the RP stuff is API, the race oils are NOT API certified, not that it's much of a difference but in the interest of honesty we need to let all the info out.
now as to RP, I have used it in my race engines for the past couple of years, and find that my bearings are living longer and the engine is keeping oil preasure better under the extreme conditions I put them through, I also noticed a 10 deg temp drop in my transmission, and the fact that it's not just burning the ATF up after a couple of races like I used to get with other oils.
now as to RP, I have used it in my race engines for the past couple of years, and find that my bearings are living longer and the engine is keeping oil preasure better under the extreme conditions I put them through, I also noticed a 10 deg temp drop in my transmission, and the fact that it's not just burning the ATF up after a couple of races like I used to get with other oils.
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Joined: Dec 2003
Posts: 18,423
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From: iowa
Bob this is a quote from the FAQ page of Royal Purple.
You are correct in regards to the SAE stuff, and all the other oils, just making the distinction of the racing oils not meeting that spec, although I think they went every bit as strict on the outcome but didn't bother to try and meet a spec put out by a agency that has government rules etc to follow.
Originally Posted by Royal Purple
Royal Purple’s motor oils are formulated to provide unparalleled performance and protection and comply with API / ILSAC specifications. Its racing oils vary in viscosity and formulation as compared to the SAE motor oils to provide the greatest performance gains possible without regard to API, SAE and / or ILSAC specifications.