Hi Guys,
I currently have a 302 115k miles, GT40P Heads, GT40 Intake, 70 mm TB, Ford Racing Headers, High Flow Cats, Flowmasters. Rest is Stock. The Heads have had about $600 of machine work into them upgrades include, Upgraded Springs, Retainers, Seals, Ported Bowls/Exhaust Roofs. The heads...