Quote:
Originally Posted by HellaSexyS13
how many of you guys are using conventional oil vs. synthetic?
right now im using 10w-40 conventional oil in my s14 sr20, and talking to jeff ricca from 240sxmotoring he recommended using conventional too because he says synthetic seems too thin for his liking. he uses it in his 240 race car as well.
just wondering what everyone else is using as well.
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Please, slap your friend in the face for me, and if he asks why tell him to stop talking nonsense
mineral, "half" (which is actually anywere between 5% and above. Guess how much it really is most of the time ? ) or full synth exists in various viscosities. a 10w40 has the same viscosity wether it is synth or mineral, at least when new, and will tend to thin with age when it is not fully synth.
As for the rest of the question, it is one of the biggest can of worm you could open, so please hit the search button. Oil viscosity choice depends on the health of your engine, its usage and the weather where it is running, you are not likely to get any useful answer if you dont specify these.