I need some advice.   Some of you may have seen from my build log that my 310S chassis arrived without a MAP sensor installed on the chassis or included in the parts. Not a problem, Josh at RMC has requested one and it is on its way. I would like a little advice about installing it when it arrives.   1) I know it will be installed on the passenger side foot well. How do I attache it? Do I just drill two holes and use sheet metal screws, or drill two holes and use a nut and bolt arran