Found the vibration problem. Would you believe loose head bolts were the cause of all that vibration? I couldn't believe it either. When I put this motor together I checked the head and cylinder bolts after the first five test drives and they were fine. After 2 weeks of driving every day the head bolts loosened up a bit causing the excessive vibration. Lesson learned, check head bolts more often. Now to focus on the front suspension.
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