shell rotella 40w oil
Has anyone used rotella straight 40W engine oil, I have some and not sure to use it or not. I don't use the boat below 60 degrees would this oil be recommended to use. Thanks
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Fine to use.
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Make sure the oil is good and warm before pushing the sticks hard.
Ken |
I use the 15w40 to break in all my engines before switching to royal purple.....
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It's all I've ever used in my non-roller cam motors (15-40 in car and 40w in the boat)
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It is a 502 with roller lifters and rockers
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It's a diesel oil, so it probably exceeds most "car" oil specs. It also has a lot more detergents in it because it's made for diesels.
The reason I put non-roller cam is that oils were reformulated a few years ago, decreasing zinc content (EPA regs). Cam manufacturers started seeing a lot of flat tappet cam failures and blamed it on the reformulated oil. Rotella was not reformulated and still has a lot of zinc. Cam makers reccomend it for flat tappet motors. Your 502 will be fine. |
Originally Posted by rdoactive
(Post 2812102)
It's a diesel oil, so it probably exceeds most "car" oil specs.
Ken |
Originally Posted by rdoactive
(Post 2812102)
It also has a lot more detergents in it because it's made for diesels.
Ken |
1 Attachment(s)
Originally Posted by rdoactive
(Post 2812102)
The reason I put non-roller cam is that oils were reformulated a few years ago, decreasing zinc content (EPA regs). Cam manufacturers started seeing a lot of flat tappet cam failures and blamed it on the reformulated oil. Rotella was not reformulated and still has a lot of zinc.
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