Interchangability of 1st gen and 2nd gen parts

[farmboy1]

I was wondering if any of the exterior engine parts are interchangeable between 1st gens and 12 valve 2nd gens. The parts I need are: Thermostat housing, fan, fan support, ect. I am putting a 92 front clip on my 90. So all of my non-intercooled parts are not going to work with the intercooled front clip that I am going to be putting on it. If this is possible, It would be a little easier to find parts for a 2nd gen than it is to find parts for my 1st gen. Any help would be appreciated. Thanks -