08-12-2002, 10:16 PM
I have a 300ex and im needing to change my oil again, and i want to put in a synthetic this time and i run it in the spring summer and fall, and rarly in the winter. im not sure what i need, 10w40 or what. and im not sure what brand will give me the best protection. what have been your guys impressions with synthetics? thanks guys Brent,