I can't chime in with spray-gun experience but how the heck do you guys with cars that get driven a lot keep your engines so damn clean? I've put about 10k miles on my current 360 and most of the front of the engine is covered in a layer of rubbery oily grime. Granted it leaks oil from between the intake and front china rail but I can't see how that could get thrown over the entire front of the engine. It almost seems like rubber from the v-belts, maybe my belt alignment is off? Belts are still in great shape though and never get thrown even when revving to 6k RPM.
