i wondered about the aluminum head by hesco. besides less weight and u can run cheaper gas with the 9.2 compression ratio it might run cooler. so thats all a plus the down side is that the cost and the eaiser risk of warping.
as of air flow u can use the 91-95 ho head and run chevys valves ( 2.02 intake and 1.90 ext i think those are the ones i know th intake are right but ect i cant remember) i think the hesco comes or is casted for the bigger valves.
im in the same place that u are for when i stroke mine out. ill probly just use the chevy vavles cus i will never beable to buy the head for my stroker
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