This article is from the Chrysler-Plymouth-Dodge FAQ, by Dr. David Zatz with numerous contributions by others.
Chrysler replaced acote's 1991 Acclaim 2.5's valve seals (though there was
no blue smoke on startup) and the PCV valve, and installed an oil
restrictor valve, which he thinks was made standard in 1993. See also #10
and 46. Oil pan leaks appear to be common.