G'day ED
i realize its wont effect the cooling of the enigine looks ugly thats all
as for the rattle it sounds a lot like loose tappets i'll run your suggestion past the mechanic and see what he reckons
BTW befor tune dyno at 50hp after dyno at 54hp a 8% increase bu lifting the needles, 45 to 48 pilot's i allready had 125 mains