I believe the 3.2 and 2.7 use the same intake just like they use the same exhaust system. The 3.4 and 3.6 have different mounting holes for the intake. Youll have to drill and tap new mounting holes into your 2.7 head. The heads are cast with both.
I go over installing a 3.4 intake onto a 3.2 here.
Woody's build thread