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stevesmowing
10-19-2006, 10:34 AM
I have read that you can use synthetic Mobil 1 15w50 in the hydro system. With this do you need the additive still? Is there much difference between the synthetic and the standard 10w40?

mowerconsultant
10-19-2006, 05:32 PM
You do not add the Lubrizol when using synthetic oil.
As far as the differences, there is plenty of reading here and on the internet about it, I am no expert myself.