The 4.6- and 5.4-liter modular Ford engines are finally catching up with the legendary 5.0L in terms of aftermarket support and performance parts availability. Having a lot of parts to choose from is great for the enthusiast, but it can also make it harder to figure out what parts and modifications will work best. Building 4.6/5.4L Ford Horsepower on the Dyno takes the guesswork out of modification and parts selection by showing you the types of horsepower and torque gains expected by each modification.
Author Richard Holdener uses over 340 photos and 185 back-to-back dyno graphs to show you which parts increase horsepower and torque, and which parts don't deliver on their promises. Unlike sources that only give you peak numbers and gains, Building 4.6/5.4L Ford Horsepower on the Dyno includes complete before-and-after dyno graphs, so you can see where in the RPM range these parts make (or lose) the most horsepower and torque. Holdener covers upgrades for 2-, 3-, and 4-valve modular engines, with chapters on throttle bodies and inlet elbows, intake manifolds, cylinder heads, camshafts, nitrous oxide, supercharging, turbocharging, headers, exhaust systems, and complete engine buildups.
TABLE OF CONTENTS:
Introduction: On the Dyno
Chapter 1 Throttle Bodies and Inlet Elbows
- Test 1: PI 2-Valve GT: Throttle Body & Intake Elbow Shoot-Out
- Test 2: Vortech Supercharged PI 2-Valve GT: Throttle Body & Intake Elbow Shoot-Out
- Test 3: Ford Racing Supercharged PI 2-Valve GT: Ford Racing 70-mm Throttle Body
- Test 4: Kenne Bell Supercharged Early 2-Valve GT: Cold Air, MAF, & Throttle Body
- Test 5: Kenne Bell Supercharged 2-Valve 5.4L Lightning: Throttle Body Upgrade
- Test 6: 4-Valve Cobra: Accufab Throttle Body
- Test 7: Eaton Supercharged 4-Valve ‘03 Cobra: Accufab Throttle Body & Inlet
- Test 8: 5.0L Stroker 2-Valve: Accufab 75-mm Throttle Body & Inlet
Chapter 2 Intake Manifolds
- Test 1: 2-Valve GT: PI Intake vs. Truck Intake
- Test 2: 4.6L 2-Valve Truck Divided Intake Plenum Test
- Test 3: 2-Valve GT: PI Intake vs. Ford Racing Bullitt Intake
- Test 4: 2-Valve GT: PI Intake vs. Reichard Racing Short-Runner Intake
- Test 5: 2-Valve GT: PI Intake vs. Fox Lake P51 Intake
- Test 6: 4-Valve Cobra: SHM Ported ‘01 Cobra Intake vs. Ford Racing FR500 Intake
- Test 7: Ford Racing FR500 Intake: Long vs. Short Runners
- Test 8: Vortech Supercharged 4-Valve ‘03 Cobra: Effect of Runner Length
- Test 9: 5.0L Stroker 2-Valve GT: Variable Runner Intake
Chapter 3 Cylinder Heads
- Test 1: Early 2-Valve GT vs. PI 2-Valve GT
- Test 2: Early 2-Valve GT Heads vs. TEA CNC-Ported PI 2-Valve GT Heads
- Test 3: Early 2-Valve GT vs. FPS Early 2-Valve GT Heads, Cams, & PI Intake
- Test 4: PI 2-Valve GT: Effect of Compression Ratio
- Test 5: Kenne Bell Supercharged 2-Valve GT: Effect of Compression Ratio
- Test 6: 4-Valve 5.4L: Effect of Compression Ratio
- Test 7: ATI Supercharged 4-Valve 5.4L: Effect of Compression Ratio
- Test 8: 2-Valve PI GT vs. 3-Valve ’05 GT
Chapter 4 Camshafts
- Test 1: Early 2-Valve GT: Comp Cams XE274H Camshafts
- Test 2: PI 2-Valve GT: Six Sets of Comp Cams Xtreme Energy Camshafts
- Test 3: Ford Racing Supercharged PI 2-Valve GT: Comp Cams XE262H Camshafts
- Test 4: Vortech Supercharged Early 2-Valve GT: Comp Cams XE274H Camshafts
- Test 5: Naturally Aspirated ‘03 4-Valve: Cobra Cams vs. Comp Cams XE262AH Camshafts
- Test 6: 4-Valve Cobra: Degreeing Comp XE262AH Cams
- Test 7: Eaton Supercharged ‘03 4-Valve Cobra: Comp Cams XE262AH Camshafts
- Test 8: Kenne Bell Supercharged ‘03 4-Valve Cobra: Comp Cams XE262AH Camshafts
- Test 9: Kenne Bell Supercharged ‘03 4-Valve Cobra: Crower Stage 2 Camshafts
- Test 10: PI 2-Valve GT: Crane Cams HR-212/550-25-15 Camshafts
Chapter 5 Nitrous Oxide
- Test 1: Early 2-Valve GT: With a 100-hp Zex Kit
- Test 2: Early 2-Valve GT: With a 125-hp Zex Kit
- Test 3: Naturally Aspirated 4-Valve ‘03 Cobra: With a 125-hp NOS NOSzle Setup
- Test 4: Naturally Aspirated 4-Valve ‘03 Cobra: Effect of Reduced Timing in Anticipation of Nitrous
- Test 5: Eaton Supercharged 4-Valve ‘03 Cobra: With a 125-hp Zex Kit
- Test 6: Kenne Bell Boost-A-Spark Cured Misfire with Supercharger & Nitrous
- Test 7: Paxton Supercharged 4-Valvepaxton Cobra: With a 75-hp Zex Kit
- Test 8: ’05 3-Valve GT: With a 75-hp Zex Kit
Chapter 6: 2-Valve Supercharging
- Test 1: PI 2-Valve GT: Ford Racing Supercharger
- Test 2: Ford Racing Supercharged 2-Valve GT: 3.6-inch Pulley vs. 3.4-inch Pulley
- Test 3: Early 2-Valve GT: Kenne Bell Supercharger
- Test 4: PI 2-Valve GT: Kenne Bell Supercharger
- Test 5: PI 2-Valve GT: Vortech T-Trim Supercharger
- Test 6: Vortech T-Trim Supercharged 2-Valve GT: 12 psi vs. 16.9 psi
- Test 7: Kenne Bell Supercharged PI 2-Valve GT: 1.7L vs. 2.2L
- Test 8: 2-Valve 5.4L Lightning: Kenne Bell Supercharger Upgrade
- Test 9: PI 2-Valve GT: Vortech T-Trim vs. JT-Trim
Chapter 7: Supercharging 3- and 4-Valve Modular Engines
- Test 1: 4-Valve ’03 Cobra: Naturally Apirated vs. Eaton Supercharger
- Test 2: Eaton Supercharged 4-Valve ‘03 Cobra: Pulley Upgrades
- Test 3: 4-Valve ’03 Cobra: Eaton Supercharger vs. Kenne Bell Upgrade
- Test 4: 4-Valve ’03 Cobra: Eaton Supercharger vs. Vortech T-Trim Upgrade
- Test 5: 3-Valve ’05 GT: Paxton Novi 1200 Supercharger
- Test 6: Kenne Bell Supercharged 4-Valve ’03 Cobra: 16.5 psi vs. 19.5 psi
- Test 7: 4-Valve 5.4L: ATI F2M Supercharger
- Test 8: 4-Valve Cobra: Paxton Novi 2000 Supercharger
- Test 9: Paxton Supercharged 4-Valve Cobra: Effect of Intercooling
- Test 10: 3-Valve ’05 GT: Kenne Bell Supercharger
Chapter 8: Turbocharging
- Test 1: Early 2-Valve GT: HP Performance Twin-Turbo Kit
- Test 2: HP Twin-Turbo Early 2-Valve GT: 10 psi vs. 14 psi
- Test 3: Early 4-Valve Cobra: HP Twin-Turbo Kit
- Test 4: 4-Valve ’03 Cobra: Turbo vs. Blower, Blower, & Blower (11 psi)
- Test 5: 4-Valve ’03 Cobra: Turbo vs. Blower, Blower, & Blower (14 psi)
- Test 6: 4-Valve ’03 Cobra: NA vs. HP Twin-Turbo Kit (20.8 psi)
- Test 7: Mihovitz 4.6L Twin-Turbo Race Motor: 25 psi vs. 29 psi
- Test 8: 3-Valve ’05 GT: HP Twin-Turbo Kit
Chapter 9: Exhaust Systems
- Test 1: Early 2-Valve GT: Hooker Long-Tube Headers
- Test 2: PI 2-Valve GT: Ford Racing Shorty Headers
- Test 3: PI 2-Valve GT: Kooks 15⁄8-inch Long-Tube Headers
- Test 4: Eaton Supercharged 4-Valve ’03 Cobra: Flow-Tech Long-Tube Headers
- Test 5: Kenne Bell Supercharged 4-Valve ’03 Cobra: Bassani Cat-Back Exhaust
- Test 6: 3-Valve ’05 GT: JBA Long-Tube Headers
- Test 7: Kenne Bell Supercharged 4-Valve ’03 Cobra: Kooks 15⁄8- vs. 13⁄4-inch Headers
- Test 8: 4-Valve Cobra: Ford Racing Shorty Headers
- Test 9: 4-Valve Cobra: Hooker Long-Tube Headers
Chapter 10: Engine Buildups
- Test 1: 407-hp PI 2-Valve GT
- Test 2: 490-hp 5.0L Stroker PI 2-Valve GT
- Test 3: 800-hp Vortech Supercharged PI 2-Valve GT
- Test 4: 990-hp Twin-Turbo 4-Valve ’03 Cobra
- Test 5: 1,350-hp ATI F2M Supercharged 5.4L 4-Valve
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