Originally posted by Terry Haines:
Trust me , the crank does whip and tri-metal bearings are far better than the stoc version.Have used Clevite/Vanderville type berings(copper/lead) for many years .As any good engine builder,race or stoc,will tell you, in any motor they are the best way to go...30 years + around many types of engines,incl F1, tells me that.... 
Well there you have it, sounds like the best advice to me. If I do any work down there, I may get some of these bearings and throw them in soon.
warmonger
