Posted 3/1/2021 11:51 (#8865856 - in reply to #8865682) Subject: RE: '98 ISX?
60 miles south of Indianapolis
Correct that is the 70th one built. They did start production in 1998. The guy might be referring to the engine as a 1998 emissions model engine in the 2001 truck. The next emissions was the 02/03 cooled egr nox reduction engines in October 2002.