Joshua, I just got off the Royal Purple site and their comments in regards to oil changes were 12000 miles. They back that with a warranty. They said your wasting your money if you change at 5-6000 miles. Interesting info!!
Oil change frequency w/ Royal Purple oil?
I heard all the rave about Royal Purple engine oil so a few months back I bought a few quarts and thought I'd give it a try albeit it was the most expensive engine at Pep Boys. So far I put in over 4K miles since the oil change. I was once told by a mechanic that I can run 6K miles on full synthetic oil. Can I put in anouther 2K miles before my next oil change? Before using synthetic I'd just buy the cheap Proline oil/filter and have an oil change every 3K miles.
Also, my family and I will be traveling from SoCal to the Bay Area for Christmas, what's the best tire pressure for cross-state traveling? :drive:
Any help and advice will be appreciated. Thanks and Merry Christmas! :mullet:
Joshua
Also, my family and I will be traveling from SoCal to the Bay Area for Christmas, what's the best tire pressure for cross-state traveling? :drive:
Any help and advice will be appreciated. Thanks and Merry Christmas! :mullet:
Joshua
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I understand everything that you have stated. I spoke with the Tech's at Royal Purple and they went over a lot of what you stated and they also discussed the 12 and 15 thousand mileage quote. They stand by their language with a warranty. By the way I change my Royal purple once a year in my 2012 F150 5 litre and it comes out amber not dark probably due to the use of a Mobil extended distance oil filter. And also I'm aware that this is an old post. Just wanted to clarify for the others that spoke. Also I do use non ethanol as I have a 36 gallon tank in my truck and don't fuel up very often. The difference between the 12000 and 15000 interval is a towing or off road difference.First, you are responding to a 15 year old post. The OP hasn't been here in 8 years.
Secondly, have you noticed that even in modern cars, the manufacturer makes no distinction regarding oil change intervals -- between synthetic oils and conventional oils?
Fact is, it's not the brand or type of oil itself that determines the change interval, it's the engine. How much blow-by does that engine design exhibit? And how much does it have now when you've got 150K on it? I don't expect an answer. What is the oil operating temperature? What kind of PCV and EGR systems does it have? What kind of fuel are you using? What kind of driving are you doing? Are you towing? Are you lead-footed?These are things that affect the usable life span of the oil. Expensive oil does not get less contaminated than cheap oil. And even better oil filters only get the chunks -- none get the contaminants out, those are molecule sized.
I guess I have to get on my soapbox again. CHANGE YOUR OIL AT THE MANUFACTURER'S RECOMMENDED INTERVALS. They were not joking in the users manual. The intervals are designed to keep your engine from being exposed to contaminated oil too much/too long..... it's all a compromise. Cleaner oil == longer life. Period.
This is basic stuff. I work for a vehicle manufacturer.
You work for a vehicle manufacturer so your comments do not surprise me. I think however that I will listen to the various oil techs, the many techs I have spoken with at Ford Dealerships and other people (some who race cars for a living). Synthetic has been around long enough to have proven itself.Read the warranty. It covers defects in the product, and damages caused to equipment by the product. Not gonna cover your engine if it seizes up, because there is no way for you to prove that the oil caused the failure. Nor will the oil prevent engine failure if the engine is already compromised. It's all marketing. Is it good oil? Sure, but not materially different from other synthetic oils. Not some super magic mystery oil.
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