The shudder like problem is like pulsating ,kind of like driving over those lines in the side of the road to warn you that you are going off . Its starting to do it more often now i noticed it when i went out last night but it was very suddle. Thanks for the info and letting bill know the problem. its nice to see how quick the responces are on here it would be nice if the rest of my day was like that . thanks again Shawn