340 X head advice

MOPAROFFICIAL said

That would be worth it if he were doing an all out factory iron head effort.
Here's where opinions, and SOME fact start mucking it up.

Yes go spend on another set of factory iron heads for that "fun street car" and put 800.00 into them. Best of luck!

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Sell those "desirable unobtainium" X heads to some numbers match type guy for $400 or what ever they go for these days. Pick up a set of any 360 casting for $50, the profit off the X heads pays for the machine work. Now you're into your heads for next to nothing. FACT!