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Warm weather oil change

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My 02 Cab has 10K miles on it....always ran M1-0W-40, run in the cool North East. Local Porsche dealer in Naples only carries Castrol Syntex and recommends 5W-40 because of the higher ambient year round air temp.

Do I change or stay with M1 0W-40?

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Believe it or not there is an oil message board. http://theoildrop.server101.com/cgi/ultimatebb.cgi It has an incredible amount of information for oilheads. I like their VOA and UOA reports - virgin/used oil anaylsis. These guys will send a sample of unused oil into a lab for testing. :o

What I found interesting is Mobil One 0W-40 does not get great reviews. I also like how the trash K&N filters.

Ask them what they think. You will get intelligent responses backed up with data. Oil does not behave the way us lay people think.

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Don, I have always used Mobil-1, so when I went for my first oil change, and the dealer (in Florida) wanted to use Castrol, I told them I wanted to use my own oil. They said fine, and gave me a $60 credit. The oil (two 5qt jugs from walmart) cost me $40. Cake and eat it too!

Since then, I've decided (and have) changed my own oil. Easier than any car I've ever owned. There is simply no reason to pay $200 to the dealer for an oil change. Just use a Porsche filter for waranty purposes (at least that is what I do).


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