Originally Posted by HotRodDave
I would not run the early 5.7 heads as they will lower compression quench and flow... I am running eagle 5.7s that give it more compression. If you really want to run the early heads then you should get an SRT short block because of the dome pistons.


Dont the 6.4 hemi truck engines have sodium filled exhaust valves? Could they be swapped into the 5.7 eagle head?