I have been happy w/the 3.0 in my '90, but then again I have had it since it was new. Of course it had the cylinders bored out after I hydro locked it during a faled creek crossing, I am running headers, better exhaust, upograded ignition, and my own true cld air intake system. I have had two rounds of burnt valves though, but no head gasket issue. Granted it averages less mpg's than my '91 22r(e), but it is a lot more fun to drive, it will run circles around my lighter '91.