im running my saff with 380 bhp on the 15/50 mobil ,and have noticed that oil consumption is a bit higher than i would have thought normal,without any blue smoke.it has the gaham good breather system,and last night i noticed that the block was quite oily.is there any maintenance on these breather systems,or could it be the crank oil seal,or is this oil so thin it finds its way out of the engine through the seals?