False 5 main bearing crank.
http://www.swiftune.com/Product/972/swi ... n-set.aspx
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therefore creating two “false” journals which enables the counterbalance to be doubled - much like a modern crankshaft!
The DC5 engine has already been used in anger, powering the Mini-based DART to a win in the Fordwater Trophy at Goodwood in September. Nick Swift says,” The double counterbalance engine revved easily to 8400rpm and the traditional harsh harmonic vibration which saps the power at the top end is gone, it is brilliantly smooth.”
Stuart wrote:They say it is about balance and smoothness, I see the Dart used an engine with that crank to win at Goodwood a couple of years ago.The DC5 engine has already been used in anger, powering the Mini-based DART to a win in the Fordwater Trophy at Goodwood in September. Nick Swift says,” The double counterbalance engine revved easily to 8400rpm and the traditional harsh harmonic vibration which saps the power at the top end is gone, it is brilliantly smooth.”
So would you like to order one? I'm on commission
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