Ford essentially offered the same engine you have as the GT-40 combo in a parts program back in 1992-1993. It had GT-40 heads and a GT-40 intake, roller rockers, E-303, headers, 24 lb. injectors, and a 65 mm TB. They rated it at 275 flywheel HP with the E-Cam in a street legal package. For off-road, with the B-303 cam, they claimed either 325 or 340 flywheel HP.
In an old magazine I have it shows their parts. I'll see if I can't dig it up and scan it for you. And remember, like high explosives, most automotive challenges can be cleared up with a 150 nitrous
Congratulations and good luck with your new car.