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Old 02-10-2010, 05:22 AM
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Synth. or Reg. oil

so i have always ran rotella 15w40 i am doing an oil change and thinking about switching to 5w synthetic what are yalls opinion on reg to synthetic i dont mean to beat a dead horse and she just broke 280,000
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Old 02-10-2010, 05:44 AM
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bump bump bump
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Old 02-10-2010, 07:56 AM
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for fl weather is 5w40 to thin?
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Old 02-11-2010, 04:15 AM
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There is no comarasin between synthetic and regular oil. I'ts what you can afford. Also, you always have the option of going 15/40 synthetic or split the difference with 10/30.

Bottom line is if you can afford it, go synthetic. Also, an added plus is you can go further on an oil change.
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Old 02-11-2010, 11:58 AM
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Wally World has the 5-40 rotella syn on sale every once in a while for 15 a gallon. I made the switch from 15-40 rotella to 5-40 rotella syn and go about 7500 between changes.
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Old 02-12-2010, 04:26 AM
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7500 is very conservitive.
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Old 02-12-2010, 04:39 AM
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Quote:
Originally Posted by roccodart440 View Post
7500 is very conservitive.
I shoot for 7500, prolly dont actually happen till 8000. Atleast I have good intention. It does normally need it around there, my bro pushes his to 10000.
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Old 02-12-2010, 05:00 AM
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I also run RP 10-40syn, love it, easier starts and truck just runs quiter!
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Old 02-12-2010, 05:54 AM
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i dunno...youve already got almost 300,000 miles on her, id just keep doin what youve been doin
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