Head difference ,once and for all.

[JSeery]

Originally Posted by Fibber Mcgee

Maybe they are just that inconsistent, I've heard 8RT and EAB are different but a while back I got a syringe and measured the two and they were almost identical volume wise.

You would need to know if the heads had ever been surfaced or milled. To make a comparison you would need to check several of each style. Very few of these engines have not been rebuilt at least once and most of them several times.

[meric42]

This might help.