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 […]
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: 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: 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 […]
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 […]
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 […]
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: 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 […]
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 […]
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 […]
