On the SC MR2 the "hood" lid is designed to have a low pressure above it to suck air out through the intercooler. With your normal hood, the intercooler would be inefective. - Just front mount it. It's more effective this way also.
and ignore the sr20 fans, the 3sgte is a way better engine + it's a toyota. I'm basicly doing a 4agze in my car, but with a lysholm...
-Jeff