15w40 oil. diesel? RB? what????
summer was coming up and i decided to get some thicker oil since socal isnt the coolest place to be. so i ordered a case of 10w40 about a week ago. it just arrived today and i look and saw that they sent me 15w40 instead. i searched around a bit and 15w40 seems to be recommended for diesel engines. anyone think i will have problems just using this oil in my RB? i mean there's only a 5 weight difference, but the whole diesel thing worried me a bit. i think i might be okay, just wanted to get some opinions.
thanks
henry
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