sonic113 Posted April 7, 2014 Share Posted April 7, 2014 ok Im doing a service on 2009 ford focus and a 2010 ford cmax both 1.6 zetec petrol. im thing of using Castrol magnatec 5w30 fully synthetic to ford spec in both or the ford formula f 5w30 fully synthetic in both. my question is is this ok and if so out of the 2 above whats the best oil to use? also on the spark plug change whats the best spark plug to use in these engines. my local auto parts is trying to sell me NGK plugs which are ok as i used them in older fords i had but want to know what you use and whats the best plug for these new engines? Thanks Quote Link to comment Share on other sites More sharing options...
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