Unknown. Was told MPD but when Jack looked at it he said no. But he did say it was good and done right and put a value of $700 or so but that was a few years ago. I turned this imp. 6500 with around 830 hp and ran 103 in a placecraft with very little set up. I then installed an MPD b/c and turned the same rpm. As for speed between the two not really sure as i used a gps but this imp. was a little faster on top.
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