Camshafts

“Roller lifters maintain better contact with cam lobes, allowing cam designers to create profiles with more midrange and top-end power than a flat-tappet cam with the same duration,” says two-time […]

You’ve got questions. We’ve got answers—the Summit Racing tech department tackles your automotive-related conundrums. This week in our Mailbag, we’re discussing what you need to know when choosing a new camshaft. Q: I […]

I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. My buddy says it’s a mild cam that’s bigger than a stock […]

By now, it’s common practice (or should be) to use break-in oil with ZDDP or a zinc additive for a flat-tappet camshaft. But what about roller cams? Any old oil will […]

The Summit Racing tech department tackles your automotive-related conundrums. This week, we’re discussing common causes of camshaft failure and what you can do to prevent it.  Q: What causes a camshaft to […]

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re answering the basic question: What’s the difference between a single pattern and […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we examine ideal camshaft lobe separation for nitrous applications. D.M. Pitman, NJ Q: Can you […]

A timing chain doesn’t seem like it has a lot to do. All it does is turn the camshaft in concert with the crankshaft, right? Well, yes… and no. On […]

Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking valve spring pressure and how it affects valvetrain performance. C.K.• Somerville, OH […]

Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re covering rocker arm ratio and how it affects performance. S.B. • Atlanta, GA […]