just browsing and ran into this buy if anyone is looking for cheap means to a 3100 top end swap
http://www.gmperformancetuning.com/forums/showthread.php?s=b9c9d597dc7d6bac01d5979a619cd147&threadid=2852
anyway parts are off of a 95 grand am 3100! and ive read that the 95 heads are the ones to use (for ease of instalation)!
heads (both) selling for 75!
upper intake 30
lower intake 30 and more...
p.s. this is not my sale nor do i know the seller!!