excessive's 4.6 heads 69+hp
In the mm&ff the excessive motorsports 4.6 power parts come in 3 stages from ported 4.6 heads that make 69hp to fully ported motorsport heads that makes an unlisted amount of hp. Has anyone bolted any of these in the 4.6 because I want to know if the gains are correct, If not I'm going to get a supercharger first. I wonder if the heads will make quicker 1/4 times than with the superchargers.
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