Originally Posted by mrbigtrucks
they any good what do you guys think about them
I've got the Pro-1, 230s and I think they are really great heads!!! I have been running them out-of-the box (w/ cast runners) on my SBC 427 and it made around 725 HP at the crank. Off season, the Pro-1s are currently at Elliott's Port-Works (Red Oak Texas) and I'm hoping to get about 30 to 40 more HP with Lloyd's port-work and new competition valve job.
Warren