A great write up
http://www.corksport.com/blog/the-da...ect-injection/
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A great write up
http://www.corksport.com/blog/the-da...ect-injection/
^^ rofl!!
Basic reason I use castrol oils mentioned. Modern engine oil engineering is interesting subject but anyone who is stuck on old school principles will only be interested in its viscosity. As for the pollution in the inlet and valves, the Mazda engine sucks balls from a very early point of its life.