Quote Originally Posted by jjjohn View Post
Re the leather piston washers,I was told you had to ''fuel'' them and the power goes up to uk limits.
That’s ye olde Cardew ‘oil combustion assist’ theory. Obviously you need to keep the leather supple with a potion of your choice, but unless you’re actually inducing diesel detonation you won’t get 12 fpe out of a leather .177.