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#1 |
Registered Member
Join Date: Nov 2000
Location: Buffalo Grove, Illinois
Posts: 3
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![]() I have just purchased a 2000 Mustang GT. Two questions:
1) What octane should be used. The manual says 87, the dealer has told me 92. 2) I have never heard of 5W20 Oil. Although it does say to use it. The manual says 5W30. The filler cap says 5W20. If it happens to be 5W20 where do I get it. Is it made by Ford only. I have always used synthetic oil on all my cars. What would be the grade to use if 5W20 is not available in synthetic.Thanks... ------------------ Anthony M. Morrongiello |
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#2 |
Registered Member
Join Date: Nov 2000
Posts: 1
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![]() I also have a 2000 GT and I was using 92 octane. I got carbon buildup because of it and now I have to have a carbon wash. Each wash is approximately $100 and if not your engine will knock. This is only after 5 months. Use 87 octane!
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#3 |
Registered Member
Join Date: Oct 2000
Location: Dallas, TX
Posts: 12
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![]() 1. Dont use 92 unless you have some type of power adder (NOS, supercharger). Thats when it becomes absolutely necessary. A stock GT will be fine on 87 octane.
2. as for the oil. I live in the south and my dealer told me 10W40. Since the blower has been on I have run mobil 1 synthetic. But I can tremeber if I saw a 5W20 or not. --------------------------- 2K blown electric green GT Mustangworks, Girlscantoo "Dec. Mare of the Month" |
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#4 |
Registered Member
Join Date: Nov 2000
Location: Buffalo Grove, Illinois
Posts: 3
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![]() I also use synthetic oil. I know for sure Mobil does not make a 5W20 synthetic. They do have a conventional 5W20 motor oil. I have been using 87 octane without a problem. I appreciate your feedback. Thanks again.
------------------ Anthony M. Morrongiello |
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