Quote:
Originally Posted by sallen
I like your full width tray CoCyclist. I may extend mine in a similar fashion (leaving the cat open).
@lunarhighway, the spacing is only to allow me to change the angle, my fuel tank sits low and without spacers, the tray goes straight to the bumper at quite a steep angle. The rear portion of the tray is pretty much sealed at the front edge, so not much venting will happen.
The reason for the current gap is simply that was the length of bolt I had lying about. I probably need longer.
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Thanks, the 4' x8' salvaged sign went from the back bumper to the cat and almost from seam to seam on the rocker panels. I got lucky.
There is a thread on here about diffusers and some charts showing that drag is lowest at about a 4 degree rise to the back edge of the diffuser (belly pan).