Just wondering if someone has some background experience with the EA82 2 port heads, and knows why they all seem to crack between the valves? Are they ALL overheated? Or do they suffer from the valve seats being too tight in the casting or something? I know there is not much meat between the 2 runners, but surely FHI engineers made them good enough....
Also, is it better to buy brand new (including 2nd hand good ones, if they can be found), or repaired, like, once the heads have cracked & relaxed, then repaired are they better?
Thanks.