Building 4.6/5.4L Ford Horsepower on the Dyno

by Richard Holdener

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

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
• inlet elbows
• intake manifolds
• cylinder heads
• camshafts
• nitrous oxide
• supercharging
• turbocharging
• headers
• exhaust systems
• complete engine buildups

208 pages, 340+ b/w photos, ISBN #1932494200