Any info on the current design? I just installed the current .590 to try out and installed it on a 102. Will keep ya posted on what it likes.

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Mine is just an older version,with more lift.The valve opening/closing seat to seat and @.050 events are the same. I had it in at 101.5(aiming for 102) and it lost power across the entire range. I retarded it to 105 currently,and it is down a little but not nearly as bad,104 is the clear winner on mine.
Keith