I got 10 tanks thru on new .16 Cen mill. On the last tank just before shutting er down, At an idle, holding it off the ground it was running like it was in gear. Now would this be a idle speed setting or LSM. And by the way, after 10 tanks glow plug I started with is clean(tip) as like new, no discolor, Is this standard. And it's running real good temps around 200-220 but not alot of blue smoke. Is this about right. I know you need smoke, but is it suppose to be alot.