Tech

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Shock How-To: Dialing in a Baseline Setup for Double-Adjustable Drag Race Shocks

[portfolio_slideshow id=23237] Adjustable shock absorbers are becoming popular in drag racing. You can adjust their damping characteristics to suit varying tracks and/or track conditions to eliminate wheel hop and tire shake. That leads to improved reaction times. The best adjustable shocks are the ones that offer both compression and extension adjustment. These are better known

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How to Diagnose Common Charging System Problems

Dead battery. Dim lights. Flickering gauges. Any one of these symptoms can be a sign of a weak charging system. Your charging system is responsible for restoring the charge to your car battery after use and is tasked with providing power to your lights, audio system, and other electronics while your vehicle is running. Without

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Mailbag: What Are Ignition Voltage, Millijoules & Resistance?

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we provide an introduction to ignition terminology, including voltage, millijoules, and resistance. J.M. Halethorpe, MD Q: I am putting together a hot rod and need help putting together a good ignition system. I see all of these different boxes

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Brake Tech: 6 Factors That Affect Pedal Firmness and Feel

According to the brake geniuses at StopTech, the following are the six primary factors that affect your vehicle’s brake feel. 1. Brake hoses Optimum pedal firmness cannot be achieved with the stock fabric reinforced rubber flexible hoses which swell under pressure—decreasing pedal firmness while increasing both pedal travel and brake system reaction time. The first

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Back to School Tools: Automotive Formulas, Calculators & More

It’s always a great time to brush up on your mechanical knowledge, so we’ve pulled together all the supplies you’ll need to ace your next project. No matter what the automotive subject, you’ll find links to helpful formulas, calculators, and notes below. Feel free to print ’em out and stuff them in your Trapper Keeper—or whatever it is kids

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Monday Mailbag: How to Check and Set Proper Pinion Angle

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we help cure drivetrain vibration and increase 60-foot times. J.L. Kissimmee, FL Q: I have a 1966 Dodge Coronet with a 1972 440 and a 727 Torqueflite transmission. The 8 3/4-inch rear axle has 3.90 gears and a Sure-Grip

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