You can...but it will take some modification.
The car brandon is talking about should be the marauder. He put Ford GT heads on his MMR shortblock, was the first person to do it. I'm not exactly sure what it took but they aren't direct bolt-ons.
"I'm not driving too fast...just flying too low"
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
90 7up vert - new project-07 DSG Focus -DD