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Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re offering up some winter performance tips for diesel trucks. S.M. • Ann Arbor, […]

Our friends at Klotz Synthetic Lubricants used a joking tone, but what they said was true nonetheless: In the United States, you have many freedoms. And one of them is […]

I’ve heard that gas ports drilled into pistons for race engines could also be used for hot street engines but that they don’t work very well because eventually the ports […]

These are interesting times over at The Motor Company. And it looks like they’re about to get interesting-er. On the heels of a few other fresh designs, Harley-Davidson’s newest model […]

I’m confused. I see all kinds of opinions about iridium and platinum spark plugs versus the normal copper plugs. Some say they’re good while others say not to use them […]

Flare fittings are often used in high pressure plumbing applications, where sealing and reliability are critical. So it’s probably no surprise that flare fittings are common in vehicle brake and […]

I am building a new 355ci Gen. 1 small block Chevy for my Buick Skylark that also has a Procharger supercharger. I’m upping everything inside with a forged crank, rods, […]

Editor’s Note: The following letter is in response to an answer in a previous column concerning whether to go with a 5.3L LS engine or a larger 350ci small-block Chevy. […]

Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we troubleshoot a carburetor and build some serious LS horsepower! From: Joe […]

The champions are no more. The Yenko Nova came up short in its bid to repeat as Muscle Car Match-Ups champion. And the 2013 champion, the 1965 Shelby Cobra 427, failed […]