Month: April

A Guide to Reading Spark Plugs

Your spark plugs are like a cipher. And to read a cipher code, you usually need a cipher key. That’s what this is—a cipher key that is going to help you “read” your spark plugs and understand what they’re telling you about how your engine is running. Is your engine running too rich? Too lean?

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Handling How-To: Installing a QA1 Level 2 Handling Kit on an Early GM A-Body

Automotive suspensions have come a long way since the original muscle car era of the 1960s and early 70s. Today’s shock technology allows for tuning your suspension for maximum handling and control; and the tubular steel components offer a better, stronger alternative to stamped steel parts. Fortunately, suspension manufacturers have started to make modern suspension technology available

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Video: How Upgraded Bearings Boost Engine Performance

“Upgrading even the most basic engine parts like engine bearings can give you a great performance advantage,” said Summit Racing tech expert Norm Koval. In this short tech tip video from Summit Racing and Powerblock TV, you’ll hear Koval explain how specialty coatings which reduce friction, and include certain machined design elements give performance bearings

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Video Feature: Dennis Spencer’s 1958 Chevy Delray

[portfolio_slideshow id=53348] You might call them one-hit-wonders or unicorns. Guys like Dennis Spencer call them their favorite vehicles to collect. “He has a serious thing for single-year cars,” says Libby Spencer, Dennis’s wife and navigator. “The more obscure, the better.” Dennis shrugs. “I just like bringing something different to the show,” Dennis said. “I’ve owned my

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Atlanta Motorama: A Lambo Engine in a Motorcycle?

You did not misread that headline. And, while it’s still April, this is not another one of our famous April Fool’s pranks (but rumor has it a national sanctioning body is putting a drag strip in Cuba). We spotted this Lamborghini-powered motorcycle last weekend at the Summit Racing Equipment Atlanta Motorama. There was little info on

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Mailbag: Budget-Friendly Ways to Lower Engine Operating Temps

Q: I bought a 1988 Camaro IROC-Z with a 350 TPI (the second I have owned). My question is about engine running temperature. When the car is not moving faster than 30 miles-per-hour, the temperature climbs over 200 degrees, and the fans won’t turn on until the temperature reaches 240 degrees. Both of my IROCs did this.

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Line, B. Force, Wilkerson & Hines Win Four-Wide Nationals

Team Summit remained undefeated with its fifth-straight win in Pro Stock, and Top Fuel’s Brittany Force raced to her second victory of the season Sunday at the NHRA Four-Wide Nationals to become the first female driver to win the event. Tim Wilkerson in Funny Car and Andrew Hines in Pro Stock Motorcycle also were winners at

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