yup i'm an idiot....

Well I just learned something :) Googleing a RTR msd now Joe, glad everything worked out and you enjoyed some time in your Dart :thumbsup:
this is it.. https://www.summitracing.com/parts/msd-8388

the last page tells you how to sett eh limiter.. https://static.summitracing.com/global/images/instructions/msd-8388_frm30249.pdf