honestly even on a modded engine a head isnt necessary or worth it for the price of one. it can help with flow sure but nothing that a couple more lb of boost wouldnt add. people have made over 500hp on the stock head. i used an extremely ported head and custom turbo cams with my build and if i could do it again i would just use stock head and cams and spend the money else where
Turbo Turtle Garage
Zetec and Duratec Turbo kits, engine building
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