What's your thoughts about the 906 heads? I thought they were brought up in here somewhere, but as luck would have it, I couldn't find . Heck, maybe I'm wrong. I uploaded the 906 head I took off the 383. I think you'll look in disbelief. Block's not cracked, heads not cracked, Valve didn't go complete through the piston.
Musta been idling. lol Yeah, if they check ok.....but again, they'll require a lot of $$$$ to get them right. Guides, hardened seats, new valves......obviously. lol You'll just have to weigh it all out.