Q&A / Tech
by Jeff Smith × on February 22, 2021 at 10:25 am ×
I’ve got a 454 big-block Chevy that I’ve installed a hydraulic roller cam which also meant I had to also use taller hydraulic roller lifters. With it all bolted back […]
Tech Articles
I have a 355 c.i.d. small-block Chevy with a big cam, decent compression, and production iron heads. The cam is an Isky 268/272 at 0.050 with 0.640-inch lift. It has […]
Q&A
Q: What is valve spring coil bind? … A: Coil bind happens when the valve spring is fully compressed. The coils of the spring contact each other. This stops the […]
Q&A
Q: What is valve float? … A: Valve float is basically when the valvetrain gets out of control. There are two types of valve float: Loft and Bounce. Loft happens […]
Tech
Camshafts and lifters are available in two basic formats—roller and flat tappet. And then within those two formats, they can either be of the mechanical (solid), or hydraulic variety. Fair […]
Videos & Galleries
Camshafts are often erroneously blamed for valvetrain problems. Our friends at COMP Cams set the record straight in today’s video. It highlights several critical issues that are related to camshaft […]
Parts / Product Profiles
There are many roller lifters available today. They range in quality from so-so to over the top. On the over-the-top end of the scale is the lineup from Jesel. Jesel […]
Q&A / Tech
Q: We have a 1974 Ford F-100 pickup we use as a tow vehicle. It has a 360-cubic-inch two-barrel engine running Crane stock replacement cam and “anti-pump-up” hydraulic lifters. The heads […]
Tech / Tech Articles
In a previous post, we showed you how to read your spark plugs. Now we’re going explain how to read your engine valves and valve-related components and translate what they’re […]
Q&A / Tech
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re answering some basic valvetrain-related questions. J.H. Kegley, WV Q: Here are a few questions […]