Putting in 87 Grand National freshly rebuilt by Arizona GN (nick) Put in roller cam, upgrade timing chain, 120 Lb injectors, Fast system 2.0, Cam 210 214, Turbo 350 built for 600hp, 67series turbo, 2800 stall, LT385 70 16 MT tires (38 inch), 14 bolt rear end out of 73 3/4 ton 8lug and dana 44 up...