Cure for lazy Magnum...Has anyone built a Magnum for 7k+ revs?

72Dart6pack said
Nascar guys push 9400 rpm all the time. 7000 rpm sounds like your building it for Grandma. Step up to the plate and go Big or go Home.
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Yeah....LOTS of NASCAR 50 year old cars seen in commuter traffic....where 9400 rpms make the most sense.