E-street vs Promaxx vs 440 Source

yep. now, if you have any experience :rolleyes: with the heads I've listed, or have a preference, feel free to share. Never mind the truck, or engine.
How is it no one's allowed to ask what the heads are for or what they're going to be used for? How is one to make a decision without knowing that. Is this going to be a pleasure boat or a drag boat or a fishing boat?.. a boat just for catching fish with your family or one that you need to race from spot to spot for competition?... I wonder if it could be going back into a motorhome to take the family across the Appalachian mountains? LOL...
My vote without hesitation was to do the work yourself on your own heads that you already have...