Oil Question Shell Rotella vs. Mobil 1?

Question:
What do you think for a Chevy 350 V8 4 bolt main with about 400 hp. Cam, high compression, ect., no smog, 7 qt pan, in a 43 Willy's. Should I use 10w 40 Mobil 1 or the 15w 40 Shell Rotella (has the anti-wear additives still in it)? Just thought I would ask, I am interested in the responses.

Answers:

Does any one ever had a dodge stratus 1998 2.4 I have problems with the ignition fuse bieng burn time after ti

Rotella is designed for diesel engines. Use the Mobil 1.

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I put 10W30 oil in my car. I then found out that it's supposed to have 5W30 oil in it. What should I do?

mobil 1 10W40 is thinner than 15W40 the w stands for winter in that equation so it will start easier on cool summer mornings when you want to..
just go for a ride

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10W40. It will get flowing faster in the cold and get in the tighter spaces better.

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If those were my only two options, I would choose Mobil 1... Why? Because Amsoil makes the additive package for the Mobil 1, so most of its protecting/cleaning factors are attributed to Amsoil. However, if available, I would just simply get and use Amsoil, it blows the rest away.

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