Anyone help me out on this?
can they work?
Some sort of wheel spacer?
Grind out the axle hole some?

This is just like trying to swap the wheels on my intrepid and my gtp. The dodge wheels work perfect on the pontiac, but the pontiac wheels would need some grinding to fit safely on the dodge.

Can a spacer make this work?

Yes. Alot safer then what you have now.

Was just to seer how looked. Never drove like that Herc.

Actually, I had a similar issue on my Stratus, but in reverse. The GP wheels fit the Stratus, but the Stratus wheels wouldn't fully seat cause of the center hub size on the Pontiac. The Stratus wheels were some pretty nice 17" alloy 5-spokes too.