Archived posting to the Leica Users Group, 2001/01/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]You are right on the money but the old way made a better story. The best rule, to keep people honest, was that any competitor could buy the winners engine for a fixed price. Cheers, John > From: V8PWR@aol.com > > Dans un courrier daté du 19/01/01 16:15:59 Paris, Madrid, jbcollier@home.com > a écrit : > > << It is common > for race winners of restrictive classes to have to remove their heads and > have the bore and stroke checked. > > "Gosh! I did not realise my engine was 20 cubic inches bigger than stock. It > must been a factory mistake!" > > John Collier >>> > Hello John . I think heads are no longer removed to check displacement . > Now they use another method based on liquid forced by the plug(s) hole > when the piston is at BTC( bottom dead center ) , while the valves motion > is stopped by removing the corresponding rockers . Then they mesure > how much liquid is pushed out of the cylinder by bringing the piston at > TDC ( top dead center ) > Am I not right ? >