Do you have any friends/acquaintances that could build one for you or modify one of the existing units? It should be a fairly simple analog circuit - comparators for the window function and a counter for the skip-shift. Digital should be just as easy to design/build ( but more expensive) and have the benefit of a decent UI.
Edit: If the MT knows what gear it is in, you may be able to tap into that, but that would probably involve an OBD interface.
Last edited by SouthArk370Z; 12-11-2014 at 12:54 PM.
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