I did not go from a 1.9 to a 2.1.  This swap is just for the crank, all other components are the same.  Nobody seemed to indicate any need for additional cooling.
Peter

In a message dated Wed, 20 Jun 2001  2:02:33 PM Eastern Daylight Time, "Jay L Snyder" <Jay.L.Snyder@usa.dupont.com> writes:

<< I assume you went from a 1.9l to a 2.1l?  I would expect some cooling
problems, it certainly would run hotter unless they installed the 2.1 oil
cooler with it.  That would require the 2.1 exhaust system and cooling
system layout...
                                                                  Jay