Performance Guides

• Return your old car to stock mileage
• Optimize your engine efficiency and mileage modifications for highway or city driving
• Boost your mileage by up to 15% over stock figures

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• 57 pages on performance upgrades including:
• Three stages of performance upgrades for all motor and supercharged cars
• Straight forward TO DO LIST and TO AVOID tips for each performance part
• A complete section on tuning
• A recommendation list of products and manufacturers that are considered the best of the best in the industry

Special Offer: Get this guide for FREE when you purchase an account for lifetime access to The Power Calculator!

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Everything you need to know to tune your car (or customer cars) for the 6 tuning objectives:

• A quick start
• A solid idle
• A lean and fuel efficient cruise
• A responsive throttle transition
• A powerful top end with impressive acceleration
• A reliable endurance tune that will stand up to the abuse

All the power is made in the head, but all that power is further enhanced and maintained with tuning

Special Offer: Get $7 off on this purchase when you purchase an account for lifetime access to The Power Calculator!

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