WATCH FOR COPS AROUND N IDAHO!!!!

Mark Wainwright said

Mine too but I use my GPS and it gives me my speed. I sometimes use my tach as well. I know at 3200 I'm doing 100km or 60mph

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Every once in a while they put out a your speed set up here. On the trans Canada west of wpg it’s a permanent thing I gauge tach to speed and go