found this on JeepStrokers.com posted by 'TurboTom' : "I am building a 4.0 for an AMC Spirit drag car. Megasquirt fuel injection, controlling an MSD box. Old TO-4 turbo with birficated housing, home made headers. During my first stock engine test on an engine dyno I have made 465 ft/lbs and 395 HP at 4500 RPM (14 pounds of boost) Promply cracked 2 pistons and pushed the head gasket out. Just part of testing and I knew these things would happen. milnersXcoupe 1981 series50 _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list