Day: 29

NHRA Pro Stock legend Bill “Grumpy” Jenkins died today. He was 81. Jenkins was a drag racing champion, a masterful engine builder, and admired by countless fans. You can read more about Jenkins’ life and immense contributions to drag racing and engine building here. In 1970, he became the first guy to break 10 seconds in

Summit Racing recently put together an A-to-Z glossary of camshaft and valvetrain terminology, which covers everything from advance to valve margin. OK—so, it’s more like an A-to-V glossary, but you get the idea. It includes everything you need to translate the complex language of cam manufacturers into something you can understand. It’s a valuable tool