" From: wrambler242@xxxxxxxxxxx " " Its back toward the intake side of the head. Check throttle body. 3 " bolts is renix. 4 is HO. Should be 7120. Also HO ecu is beside left " inner fender. Renix under dash. " ------Original Message------ " From: Richard Estermyer " " Hey Gang, " " I had done reading on the 4.0 head swap and suggesting the use of the " #7120 head casting of the 4.0 head circa 1990. Does anyone know where " the casting number would be located on the head? I'm looking at a " 1991 and want to make sure I am on track. yup; '91-5 should normally be a #7120. '87-'90 [renix] would be #2686, '96-8/9 would be #0630, '99/'00-up, #0331 with cracking tendency cured on '02-up 2nd design ['TUPY' cast between #3cyl rocker studs]. ________________________________________________________________________ Andrew Hay the genius nature internet rambler is to see what all have seen adh@xxxxxxxxxxxxxxxxx and think what none thought _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com