what kind of oil do you all use? I have been using mobile one 15w 40 synthetic in the summer and 10 w 50 syntheic in the winter

nt

...but it seemed too heavy. Engine seems much happier on the 10w-30 Mobil-1. I'm not too concerned with traditional thoughts on viscosity as the Mobil-1 protects so much better than conventional dino oil. My $0.02...

Andy Hedin