Re: Best Oil For Au 3 Xr8 220kw
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Going from synthetic to mineral there is a noticeable drop in hp which sucks.
See how it goes in the next couple of weeks,might be dropping it and using a semi synthetic.
What is shell ultra plus called these days?
Would it be 10/40 shell helix xh7?
That's the only shell semi close to 15/40 specs.
Last edited by DOOZIE DAISY; 20-09-2017 at 02:44 PM.
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