no offense ....but why would you want a smooth HEMI.
The good thing is no matter how rough the idle is, it will smooth out when it counts. ( he makes it down a nice country road just fine .....even obeys the local traffic laws ) :farao::D:D:D
go to 8:20 ....and especially 8:42 when it goes inside the car :burnout:
Richard Petty's 200mph Plymouth Superbird On The Road - YouTube