Ask Away with Jeff Smith: Fixing Loose Rocker Arm Adjustment Nuts
I have a very basic small block Chevy 350 in my pickup. About three months ago, I noticed a ticking sound and pulled the left valve cover. One of the […]
Summit Racing Combo Feature: Rocker Arm and Gasket Pro Packs
A Summit Racing Pro Pack is a parts combo assembled by the automotive performance experts on Summit Racing’s tech team. Each part is proven to perfectly complement the other components in the […]
Video: Tips & Tricks to Installing Pushrods & Rockers in a GM LS Engine
For all its advantages, the LS has a few notable drawbacks—with a non-adjustable valvetrain perhaps being the most prominent. While that’s not a big deal for most engine builders, it […]
Video: How to Measure Rocker Arms & Check the Rocker Ratio
It should go without saying that correct rocker arm specs are something you want to get right the first time. But measuring a rocker arm isn’t as straightforward as you […]
Video: Why Do Rocker Arms Break? (And How to Prevent Premature Rocker Arm Failure)
From extreme heat cycles to the constant hammering from pushrods and valves, the rocker arms in your engine’s valvetrain put up with a lot. That also means that they won’t […]
Buyer’s Guide: How to Pick the Best Scorpion Rocker Arms for Whatever Engine You’re Building—Racing, Off-Roading, Boating & Beyond
Scorpion Racing Products has been in the performance engine arena for decades now, and during that time it has developed a fantastic lineup or rocker arms for a wide range […]
Ask Away! with Jeff Smith: What Causes a Pushrod to Punch Through a Stamped Steel Rocker Cup?
We started our race engine after it sat all winter and the engine started running rough. We discovered a pushrod hat had punched right up through the pushrod cup. I’ve […]
Mailbag: 5 Things to Check When Swapping to Higher Lift Rockers
I have a 1970 Nova SS with a 11.5:1 compression, 355 cubic-inch small block. It has Sportsman II heads, a COMP Cams hydraulic camshaft (292 degrees advertised duration, .507 inches […]
Video: Installing Roller Lifters, Rockers & Pushrods on a Small Block Chevy
In today’s video, our friend Eric the Car Guy will show you how install roller lifters, roller rockers, and pushrods on a small block Chevy engine. The principals for installing […]
Rocker Rolling with Jesel’s Sportsman Shaft-Mounted Rocker Technology
Tons of options are available when it comes to rocker arms for domestic V8 engines. When examining today’s crop of roller rockers, it becomes clear that a considerable amount of […]