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Old 12-09-2012, 05:25 PM
gearheadslife gearheadslife is offline
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iron always makes more power than alum..
alum is just easier to cast..
nascar engines make over 80 hp with iron over alum.. but are a one race deal.. when they qualified and pulled engines then ran another in the race iron was the ticket.. but where a one and done part..
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