Eddy 625-650 4bbl and Performer intake. Leave the internals and heads alone. Install engine. Drive it and autocross it for a summer. Learn the car. Then next winter hop it up by stroking. Don't want, and don't need the blower for autocross.
Tom
"Everyone should believe in something; I believe I'll go fishing."
-Henry David Thoreau
Men and fish are alike. They both get into trouble when they open their mouths