Thread: thinking about going synthetic

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  1. #1 Re: thinking about going synthetic 
    SS-DD Level Member IndeedSS's Avatar
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    Scotty is spot on. That break in period is old school. Newer engines don't require the type of break-in period that engines years ago did.

    As far as Royal Purple goes, it is the only oil I've ever used that made an instant difference in MPG and cooler operating temps. That said I only run it occasionally now due to cost and I've heard that RP isn't the best oil to run in a car that's driven infrequently. Someting about an acidic buildup, although that's just what some people have said. I quit using RP in my car back when it was only being driven a few miles on the weekend.
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  2. #2 Re: thinking about going synthetic 
    I live here. SyntheticShield's Avatar
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    Quote Originally Posted by IndeedSS View Post
    I've heard that RP isn't the best oil to run in a car that's driven infrequently. Someting about an acidic buildup, although that's just what some people have said.

    That acidic build up will occur with any car using any oil that is not driven frequently. More specifically, one that is driven in such a manner that the oil does not get up to temperature for a specified period of time.

    The acidic build up is caused by moisture getting into the oil and it will react with other contaminants and accelerate oxidation and thickening of the oil. In the same manner, those of you that do extended warm up times, particularly in the winter and then only make short trips are flooding your oil with fuel contamination that is in many ways worse than the moisture contamination. The fuel will thin out the oil in short order. Only 2% fuel contamination in motor oil is considered abnormal and I have seen that much fuel in a motor oil before and have seen it drop the oil two grades thinner. Which leaves your motor severely unprotected during high load times.
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  3. #3 Re: thinking about going synthetic 
    GTP Level Member s1795so2's Avatar
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    Quote Originally Posted by SyntheticShield View Post
    those of you that do extended warm up times, particularly in the winter and then only make short trips are flooding your oil with fuel contamination that is in many ways worse than the moisture contamination.
    So does this mean doing a remote start and leaving it for 10 minutes then going and driving about 30 minutes is not okay, or is my scenario okay? What is considered a short trip?
    Steven Oliver
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  4. #4 Re: thinking about going synthetic 
    GXP Level Member Iron Indian's Avatar
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    I've ran Valvoline Conventional 10w30 in my car since day one and i've had no problems. Infact several in my family have taken motors to the 400,000+ mile mark with Conventional Valvoline oil. I like changing my oil oil every 2,500-3,000 miles OR (since it ain't a DD anymore) every 4-6 months. Oil doesn't stay fresh forever and can contaminate. I don't feel comfortable leaving oil in a vehicle 5,000+ miles, I never have. Call me old fashion, but as much as I like to change my oil, Synthetic would be a big waste of money for me for the Motor. The tranny, that would be another story. Oil is cheap and easy to change, and for me its piece of mind.

    I'm not saying Synthetic is bad at all, I have no problems with it at all. I just think conventional can be just as good if used right, thats all i'm saying. For someone like me with his religious maintence schedule, conventional is right for me.

    Also, highway miles are always better than street miles. My car was always a highway daily until recently. Anytime I drive it though, I like to take long trips with it.
    Shawn W. Larsen

    2005 Pontiac GTO 6.0 LS2/A4... Stalled/Cam Only: 406 RWHP , 370 RWTQ

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