Chipperd93 Posted December 13, 2014 Report Share Posted December 13, 2014 On the HMP website, there are no specifics for open motor rules in the modified class. Where can I find some rules for an "open" modified motor? Link to comment Share on other sites More sharing options...
Ford27 Posted December 16, 2014 Report Share Posted December 16, 2014 Follow the general engine rules and the min weights/left % and your good. No other rules apply that I see Link to comment Share on other sites More sharing options...
hray Posted December 17, 2014 Report Share Posted December 17, 2014 General engine rules which are primarily no dry sump motors and no titanium or alum rods, no traction control. Other than that, anything goes. That's why it's called "open motor". Link to comment Share on other sites More sharing options...
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