Hey, I was out running in the snow tonight, the truck was running fine this morning and then its started to bog down a little bit and wouldnt want to die while idling or trying to get moving. even if it did get moving it wouldnt be moving very fast, tried to tune it and everything is ok i think that the tune is just fine, the temp is about 250-240 so i think thats ok, im thinking it could be a plug, if u guys think so to, what kind should i get i like the mccoys but what temp and length? all comments welcome thanx