Motor oil, What weight? |
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Motor oil, What weight? |
911914 |
Dec 27 2004, 11:33 PM
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#1
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Member Group: Members Posts: 51 Joined: 24-December 04 From: Vancouver, Washington Member No.: 3,334 |
I am sure this has been hashed out here many times before and I don't want to start another oil thread but I be a newbie. Car I just purchased was rebuilt about 20k ago ('74 2.o) and the records show 15-40 weight has been used since rebuild and at all services. Now is this not a heavy diesel weight oil? I use this weight in my BMW 535i as recommended from factory, but a small air cooled VW mill using this heavy weight? Doesn't sound right to me. Clue me in please. Oh, engine is dual Weber's and a Web cam.
Thanks. |
Steve |
Dec 29 2004, 11:50 AM
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#2
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914 Guru Group: Members Posts: 5,614 Joined: 14-June 03 From: Orange County, CA Member No.: 822 Region Association: Southern California |
The higher the number the thicker the oil.
I remember reading that Castrol has foaming problems and some people don't recommend it. In Bruce Anderson's Porsche 911 Performance handbook he lists the following oils and does not list Castrol: Kendal, Quaker state, Valvoline and Pennzoil or Mobile One for synthetic. I'm running 15-50 Mobile One in my 3.2 and I'm planning on switching to regular 15W-40 because of new oil leaks. Can anyone recommend a good oil in this weight? How much more is Kendal versus Quaker State? I will have to see what's available at Costco. |
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