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Just have a quick question are alcohol heads different design than gas/fuel heads on a hemi, or are they the same between the two fuels? If they are different what are the changes? Also what are the differences in piston design? Would an alcohol head work on a fuel motor with correct pistons? Thanks



Are you saying fuel as in gasoline OR fuel as in a
top fueler... because the only differences in my alky
head vs a gas head was the valve dia, being the alky
head gets a larger valve dia..... this is on a W-9