well i am getting ready to pick up a 460 to drop in/ replace my 351m on a 78 f-150 4x4 and am questioning the horsepower out put. i am going to have the block bored .030 over with keith black flat top pistons ported and polished heads the cam iam going to go for has a 585 lift as well a v-tunnel ram with dual 600 holleys headers and 3" exhaust does anyone have an idea of what my hp out put as well torque out put will be around?the truck will primarily be a play toy/mud truck...thanks for the info in advace.