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Veloce Publishing
October 23, 2019
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Performance Tuning & Modification > Browse Books
Modifying the Aerodynamics of Your Road Car

Modifying the Aerodynamics of Your Road Car

By Julian Edgar & Richard H Barnard
About the Author

Paperback • 25x20.7cm • 248 pages • 443 pictures

ISBN: 978-1-787112-83-4

£ 35.00 Postage + P&P (eBook prices vary, and delivery is free)

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Chapter Titles Sample Text


• Modify the aerodynamics of your road car for better performance
• Reduce drag and lift with proven modifications
• Give your road car real downforce, revolutionising grip
• Improve airflow through radiators, intercoolers and oil coolers
• You don’t need a wind tunnel – aero test your car on the road
• Measure the effectiveness of undertrays, wings and spoilers
• Understand the latest advances in car aerodynamics
• Nearly 400 colour photos, diagrams and charts
• Authoritative, deeply researched and practical
• A great read for anyone interested in car aerodynamics


Want to improve handling, straight-line performance or fuel economy? In that case, you’ll achieve best results by modifying your vehicle’s aerodynamics. This handbook is a must-read that takes you from testing the standard car through to making sophisticated aerodynamic modifications that have real impact.


This unique handbook assumes no starting knowledge of vehicle aerodynamics. It begins with simple ideas and finishes with sophisticated and effective aerodynamic modifications that work.
Three major chapters cover on-road testing techniques that give you all the information you need to decide what modifications you should make – and, after you’ve made them, how well they work.
Low-cost techniques allow you to visualise the patterns of airflow over your car so that you can actually see the problem areas that need improvement. Uniquely, you’re also shown how to measure aerodynamic pressures, so you can determine which body surfaces are creating lift, drag and downforce. Want to work out where a wing should be placed? On-road testing to find that out is covered as well. The book also shows you how to measure downforce to see if that wing is actually working!
If you wish to reduce drag, more than ten different areas are covered. Reducing frontal area, lowering cooling system drag, optimising vehicle ride height and rake, reducing the strength of the wake, achieving clean airflow separation and optimising wheel designs – they’re all covered using the latest research findings.
And if you’re a performance driver, there’s a major chapter devoted to reducing lift and improving stability. This chapter includes the design and development of undertrays and diffusers, wings and spoilers. The example car developed measurable downforce when fitted with an undertray and rear diffuser, something that transformed its on-road handling.
The author has been writing about the aerodynamics of road cars for more than 25 years. He is also an experienced and proficient car modifier who has performed numerous aerodynamic modifications and upgrades to his own cars. The book’s technical consultant, RH Barnard, is an acknowledged world leading automotive aerodynamicist.
If you want a practical, hands-on guide that demystifies and explains car aerodynamics, and shows you how to make effective aerodynamic modifications to your car, this book is for you.

Additional Information

Models Covered: All road cars
To get the best performance and fuel economy from your car, you need to understand vehicle aerodynamics.
This is the only book on the market that takes the reader from the basics of car aerodynamics through to on-road testing and making effective aerodynamic modifications.
Step-by-step instructions to improve the aerodynamics of road cars.


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