well i KNOW it will fit.i am working on a 156 gta as we speak and all the mount and width on the inner wings are the same!
the 3,2 engine is no bigger physically then the 2.5 so that would also fit. the chassis legs at least are the same (only the suspension top mounts are different)
Paul R
2xHLX owner,3xHGT, (then the darkside) 1xCoupe20vt now the proud owner of a Black Coupe20vt LE!