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Old 03-29-2014, 12:41 AM   #5
3rd Gear Member
Join Date: Nov 2013
Vehicle: 1965 shelby
Location: arizona
Posts: 522

something doesn't make sense. i havec never drilled eddy heads or seen instructions from eddy to do so.

as long as the aluminum heads have the same number of holes as the orig heads there should be no reasin to drill additional holes unless the head design sucks. they are aluminum heads, they run cooloer than iron heads so why should they run hot and why dores not trick flklow drill them out before delivery?
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