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
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
NHRA Wrap-Up: Force, Brown, Enders-Stevens, and Smith Win in St. Louis
John Force won for the 136th time in his amazing racing career and with three races to go, is in position to fight for his 16th Funny Car world championship. Force won the NHRA Midwest Nationals by defeating defending Funny Car champ Jack Beckman at Gateway Motorsports Park in Madison, IL near St. Louis. Antron
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
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.
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
Video: How to Choose the Correct Header Primary Size
Watch this Summit Racing Quick Flicks video to learn how your header’s primary diameter affects performance. You will learn some basic rules for how to choose the best header primary size for your application.
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
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
Video: How to Replace an In-Tank Fuel Pump on a ’86-’98 Ford Mustang
Is your 1986-98 Ford Mustang’s fuel pump worn out? Are a supercharger or turbo in the plans? In this four-minute video, the experts at BBK Performance will show you how to replace or upgrade your 1986-1998 Ford Mustang’s in-tank fuel pump. Check it out!




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