Quote:
Originally Posted by rand0mn00b
the manual recommends 5w30 for my petrol focus
what effect would using 0w40 have on the engine?
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Would provide slightly better protection.
The company I blended the 0w40 Race oil for told me the RS 2.5 Turbo takes 0w40 in the book.
0w40 is a tad ballser oil with spec plus a top line group IV PAO base oil.
Cheers
Steve
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