Iron Ram heads on a 340???

Personally I'd use the 1.92s and you can get them from anyone selling the EQ heads for less money and add the Hugghes springs and retainer on them (or just run the stock springs and retainers). They are much better on a mild engine than the LA style heads. With a cam I'd figure 30-40hp from the swap. Just make sure you replace the pushrods and get Magnum rockers. The LA stuff won't work on them.