You really should get the Workshop Manual specifically for the Ford GT. Your local ford dealer can get it for you or you may be able to get it from Helm Inc. in Detroit Mi.
even owners that don't work on their own cars would benifit from this book. It covers in detail with drawings, General information,Chassis and Suspension, Driveline abd Brakeing systems, Steering, Engine and Powertrain, Transmission, Clutch and transfer case, Exhaust and Fuel systems, Torque spec's, wireing diagrams, Ect.....Ect.....