Day: 4

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re examining camshaft duration and piston-to-valve clearance. D.W. Nova Scotia, Canada Q: I have a 454 in a 1983 Trans Am. I would like to install a bigger camshaft with an operating range to 5,500 rpm, yet have safe piston-to-valve

Tom Hoover, the famed Chrysler engineer credited with developing the 426 HEMI, died last week following a bout with a long-term illness. He was 85. His work on high performance engines (including the Slant–Six Hyper-Pak, Max Wedge V8, and the 426 HEMI) earned him the nickname “Godfather of the 426 HEMI.” In addition to developing