synth oil use - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 02-19-2007
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synth oil use

once you use fully synthetic are you only supposed to use it from then on? or can you use other types between?
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Old 02-19-2007
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You can switch back and forth as many times as you want...it's not going to hurt a single thing.

The only thing that *can* happen is on older engines that haven't been properly maintained and have sludge build-up on the seals that have started to rot out, when you add synthetic oil to these parts, it cleans the sludge that is helping the already-bad seals to not leak and cause the oil to leak out...

It's a myth that once you go to synthetic you can't go back and that you shouldn't put synthetic in an engine that hasn't ever used it.
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Old 02-20-2007
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Quote:
Originally Posted by deapee
You can switch back and forth as many times as you want...it's not going to hurt a single thing.

The only thing that *can* happen is on older engines that haven't been properly maintained and have sludge build-up on the seals that have started to rot out, when you add synthetic oil to these parts, it cleans the sludge that is helping the already-bad seals to not leak and cause the oil to leak out...

It's a myth that once you go to synthetic you can't go back and that you shouldn't put synthetic in an engine that hasn't ever used it.
thanks man. im switching to royal purple in a month, and just wanted to check
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Old 02-21-2007
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Yeah, it drives me nuts that people think that. You can feel free to switch at will. As deapee mentioned, you can get leaks. Also you do risk build-up sticking in lifters as it is knocked loose, but that usually works out after a while. I, however, would recommend something other then Royal Purple.
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Old 02-21-2007
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Quote:
Originally Posted by 85-281Ranger
Yeah, it drives me nuts that people think that. You can feel free to switch at will. As deapee mentioned, you can get leaks. Also you do risk build-up sticking in lifters as it is knocked loose, but that usually works out after a while. I, however, would recommend something other then Royal Purple.
why so?
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Old 02-21-2007
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sythetic oil molecules are much smaller then conventional oil... thus why they preform better because they pack tighter and seep into small places, such as cracks...

edit: not sure if your asking about leaks or why not to go to royal purple... o well ha...
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Old 02-22-2007
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How long do you guys go between oil changes on synthetic?
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Old 02-23-2007
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Royal Purple has major break down issues. It can and has caused major engine damage. Especially high compression and turbo or supercharged engines! Use any standard Syn like Citgo, or so. Otherwise, go with Amsoil.

Lord of War, I still only go 3,000. But, I am ****, and it is easy for me. I own a shop. You can go longer with the oil. 6,000 is fine. But I recommend you change the filter at 3,000 still. There is no filter that can run longer. Do not use Fram filters with synthetic. The are horrible. I have a friend that used a Fram on his turbo'd car. It blew the filter apart.

My $0.02
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Old 02-23-2007
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ived used royal purple for years in 4 diff cars and ran 4-5k between oil/filter changes and never once had a single problem.....two of the cars had 150k miles....still have one of them....friggin tough sob...and i drive that car way worse than i drive my truck
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Old 02-23-2007
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I am at about 5,500 with my syn and am about to change it. I like it so far and am going to go back to it.
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  #11  
Old 02-23-2007
quest51210
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ya know i saw some independent tests awhile back and i lost them from my favorites somehow that showed although not as good as mobile1 the walmart supertech synthetic is better than penzoil and castrol synthtics. for $20 a gallon its a good deal.
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Old 03-01-2007
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I've been using Fram Synthetic filters for a long time and have never had a problem.. Both on my saturn and ranger..

Iiii dunno...
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