Product Profile: GoPro Unveils New HERO3+ Action Camera

As expected, GoPro introduced its most-advanced camera ever today. But the company threw in an unexpected twist by naming the camera HERO3+ instead of the HERO4. What does that mean for you? Not much. Whether you call it the HERO3+ or HERO4, you’re still getting GoPro’s best product to date. The newest camera is 20 percent

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Mailbag: “What is Causing My Car to Hesitate?”

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we find possible causes and cures for engine hesitation. R.H. Grand Rapids, MI Q: I have a 1979 Trans Am powered by a 406 small block Chevy. The engine has 9.67:1 compression, GM cast iron cylinder heads with Crane

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Poteet’s ’34 Ford Nails Hot Rod of the Year Award

[portfolio_slideshow id=23656] It’s been quite a summer for Memphis-based hot rodder George Poteet. For the second time this season, a car from his stable has grabbed a signature award from the Goodguys Rod & Custom Association. George’s “Hugger Orange” 1934 Ford, built by the talented Dave Lane of Fastlane Rod Shop, captured the Goodguys 2013

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Lot Shots Find of the Week: 1969 Triumph GT6 MK3

What’s that? We had to look twice too because this British import isn’t a car you see everyday. The 1969 Triumph GT6 MKIII. In the context of nimble two-seaters, we couldn’t help but admire the way this vehicle blends old and new, modern and classic. We like things you don’t see every day. Rarity is cool.

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Mailbag: Recognizing the Symptoms of Worn Valve Springs

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we examine the signs of fatigued valve springs. S.H. Akron, OH Q: I recently built a 427-cubic-inch big block Chevy for my 1937 street rod. The tall block engine has the following parts: 4-bolt tall block, steel crank, 9.0:1 pistons

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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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