Something must be wrong with my baffle install. I'm trying to squeeze an XP 360 into my 4 and things are very tight. In particular, after trimming the sidewalls to the specified 3/8 gap with the upper cowl, I'm finding that there is virtually nothing sticking up above the head on which to rivet the rubber seal. It is particulary bad on the front cyls. Does anybody with a 360 powered 4 have pics/advice?? Thanks.