Can you mix Semi Synthetic with Mineral Oil?
05-03-2007, 01:20 PM
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Can you mix Semi Synthetic with Mineral Oil?
Hi all,
My mechanic uses Shell Helix 10W40 Semi Synthetic oil in my 911. However, he is over 100 miles away and all I can get locally is Shell Helix Fully Synthetic and Helix Mineral oil. Which should I buy to be able to mix for top ups into my engine? I bought the mineral one but I will exchange it for fully synthetic if you guys can let me know...
Thanks a mil.
Adrian
My mechanic uses Shell Helix 10W40 Semi Synthetic oil in my 911. However, he is over 100 miles away and all I can get locally is Shell Helix Fully Synthetic and Helix Mineral oil. Which should I buy to be able to mix for top ups into my engine? I bought the mineral one but I will exchange it for fully synthetic if you guys can let me know...
Thanks a mil.
Adrian
