Great Lakes 4x4. The largest offroad forum in the Midwest banner

401 flexplate

  1. Jeep Tech
    Hello All, I certainly wish I had a better post then this to start with on this forum but I do not... Here is the deal; My engine builder externally balanced my 401, BUT, he used THE WRONG FLEXPLATE. I own a Jeep, 1979 J10 and the flexplate he used is a ATP #Z-224 designed for the 72-74...