Mike Garfias wrote: > Two small valves weigh more than one single one. Not really. Think cube-square law. Titanium is denser than Aluminum. Yes, but _much_ stronger. The article stated that Ferrari "found it necessary to..." Who am I to argue? ;-) Cheers, Bob Eaton --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change you mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss