David Vizard's How To Build Horsepower by David VizardDavid Vizard's How To Build Horsepower by David Vizard

David Vizard's How To Build Horsepower

byDavid Vizard

Paperback | June 17, 2010

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Proven methods for increasing horsepower in any engine. High-performance street and race engine builders are always looking for the latest techniques and combination of parts to build a better, stronger, more powerful engines. Building an engine is a complex, demanding process that requires careful planning, bulls-eye parts selection, and exceptional attention to detail. If someone is building an engine for the first time, they need the information contained in this book.

Extracting maximum torque and horsepower from engines is an art as well as a science. David Vizard is an engineer and more aptly an engine building artist who guides the reader through all the aspects of power production and high-performance engine building. His proven high-performance engine building methods and techniques are revealed in this all-new edition ofHow to Build Horsepower. Vizard goes into extreme depth and detail for drawing maximum performance from any automotive engine. The production of power is covered from the most logical point from the air entering the engine all the way to spent gasses leaving through the exhaust. Explained is how to optimize all the components in between, such as selecting heads for maximum flow or port heads for superior power output, ideal valvetrain components, realizing the ideal rocker arm ratios for a particular application, secrets for selecting the best cam, and giving unique insight into all facets of cam performance. In addition, he covers how to select and setup superchargers, nitrous oxide, ignition and other vital aspects of high-performance engine building.

Vizard's top-sellingHow to Build Horsepowerexplains the latest and most effective engine building techniques and strategies. The reader is treated to the secrets and methods for building virtually any automotive engine. Vizard's unique and entertaining style of writing clearly explains the key principles and provides extreme detail and uncommon insight, so at-home engine builder can realize their performance goals.

David Vizard is a revered engine builder and acknowledged Chevy big-block engine expert, which is why GM contracted him to develop several engine packages for the Chevy big-block crate program. He has authored more than 30 highly respected engine-building and automotive titles, penned about 4,000 magazine articles, and contributed scor...
Title:David Vizard's How To Build HorsepowerFormat:PaperbackDimensions:144 pages, 11 × 8.5 × 0.38 inPublished:June 17, 2010Publisher:CartechLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:1934709174

ISBN - 13:9781934709177

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Table of Contents



Chapter 1: The Basics of Every Known Speed Secret

The Dynamometer 

When Isn&t Bigger Better? 


Chapter 2: Primary Point Induction 

Air Temperature

Ram Air: the Basics

Practical Density Issues 

Significant Pressures and Flow

Element Clogging


Chapter 3: Fuel Delivery Systems 

Mixture Ratio

Exhaust Pollutants

Mixture Quality

Carb Function Basics

WOT Calibrations 

The Boosters 

Idle and Transition Circuits 

Acceleration Enrichment

Carbs-How Big?

Carbs Versus Fuel Injection


Chapter 4: Intake Manifolds

Length and Volume 

V-8 Intake Manifolds

Tunnel Ram Intakes 


Chapter 5: Supercharging 

Supercharger Types

Turbos and Centrifugal Turbine Superchargers

Boost Curve Shapes

Supercharger Selection 

Superchargers and Built Motors

Getting the Cam Right

Turbo Cams 

Fueling System 


Chapter 6: Cylinder Heads 

Optimizing Cylinder Head Airflow

Valve Shrouding

Practical De-shrouding


Port Evolution

Cross-Sectional Area

Applied Basic Porting 

Wet-Flow Testing 

Compression Ratio 


Chapter 7: Porting and Flow Testing

Building a Really Trick Low-Cost Bench

Flowing the Exhaust




Chapter 8: Ignition Systems

Number-One Ignition Goal

The First Step

Plug Cables


Ignition Timing and Curves

Modified Motor Timing Requirements

Modified Ignition Systems 

Expected Results 


Chapter 9: Real Camshaft Science

Mechanical Attributes Simplified 

Our Hi-Perf Four-Cycle Engine 

Airflow Dynamics

Choosing a Cam


Chapter 10: Cam Event Criteria


Optimal LCA 


Valve Lift: How Much?



Chapter 11: Valvetrain: The Physical Build

Reading Cam Spec Data 



Timing Gears

Cam Timing



Chapter 12: The Short-Block Engine

The Block

The Rotating Assembly 

Connecting Rods 



Lubrication System


Chapter 13: Exhaust Manifolds

Pipe Diameter

Alternative Configurations 

Using This Header Tech 



Chapter 14: Mufflers to Tail Pipes 

Simple Steps to Success

Cats and Mufflers 

Muffler Flow: How Much is Needed? 

Pressure Waves 

Crossover and Balance Pipes

The Ultimate System?


Source Guide