Because of the larger combustion chamber in the 4.0 it's recommended to taper the 258 cyl. bore out beginning above the area occupied by the piston top ring @ TDC. What type of tooling will permit not having to remove the engine to perform this mod ? --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 080706-0, 07/06/2008 Tested on: 7/6/2008 9:43:34 PM avast! - copyright (c) 1988-2008 ALWIL Software. http://www.avast.com _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list