Hello, I'm looking to eventually switch to a 4.0 liter cylinder head. Is there any benefit to using both a block and head rather than a 258 block with a 4.0 head. Regards, Russell _______________________________________________ AMC-List mailing list AMC-List@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list or go to http://www.amc-list.com