Post Tagged with: "Camshafts"

This is a cam and crank gear layout just to put all this gear talk into perspective. The cam gear (top) will always have twice as many teeth as the crank gear (bottom) so that the cam spins at half engine speed.
Q&A / Tech

Ask Away! with Jeff Smith: Choosing an Optimal Camshaft and Ignition Timing for Double Hump Heads

This is directed to Jeff Smith – great article on ignition timing.  I have a few questions.   My problem is I can’t seem to get the timing right with either the initial or […]

Ask Away! with Jeff Smith: How and Why Camshaft Manufacturers Grind Advance Into Camshafts
Q&A / Tech / Tech Articles

Ask Away! with Jeff Smith: How and Why Camshaft Manufacturers Grind Advance Into Camshafts

I’ve read something about camshafts that some cam companies grind advance into the camshaft. I thought that you could only advance the cam once it was installed in the engine? […]

Video 101: An Introduction to Camshaft Profiles and Flat vs. Roller Tappets
Videos & Galleries

Video 101: An Introduction to Camshaft Profiles and Flat vs. Roller Tappets

“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 […]

Monday Mailbag: The 9 Things You Should Know Before Ordering a Camshaft
Q&A / Tech

Monday Mailbag: The 9 Things You Should Know Before Ordering a Camshaft

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

Ask Away! with Jeff Smith: How to Decode a COMP Cams Camshaft
Q&A / Tech

Ask Away! with Jeff Smith: How to Decode a COMP Cams Camshaft

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 […]

Roller Derby: How to Break In a Roller Camshaft
How Tos / Tech

Roller Derby: How to Break In a Roller Camshaft

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 […]

Mailbag: 8 Causes of Camshaft Failure and How To Prevent Them
Q&A / Tech

Mailbag: 8 Causes of Camshaft Failure and How To Prevent Them

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 […]

Monday Mailbag: Single Pattern vs. Dual Pattern Cams
Q&A / Tech

Monday Mailbag: Single Pattern vs. Dual Pattern Cams

You’ve got questions. We’ve got the answers—Mondays when 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 […]

Monday Mailbag: Camshaft Lobe Separation, Nitrous Oxide & How They Relate
Q&A / Tech

Monday Mailbag: Camshaft Lobe Separation, Nitrous Oxide & How They Relate

Got questions? We’ve got the answers—Mondays when 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: […]

Basic Tech: Standard vs. Roller Timing Chains
Tech / Tech Articles

Basic Tech: Standard vs. Roller Timing Chains

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 […]