Valvetrain Vigilantes? Camshaft vs. Roller Rockers Test
How much power are roller rockers worth? How do rockers compare to a cam swap? Can I get the same power gains with rockers and not have to tear apart […]
Ask Away! with Jeff Smith: Matching Up Vacuum & Mechanical Advance
I have a 1990 C1500 with a 1984 454 carb and an HEI distributor. I can’t seem to get it tuned right. I installed a Moroso timing curve kit with […]
How a Stuck Carburetor Fuel Shutoff Float Valve Led to a Poor-Running Motorcycle (& How it Got Fixed!)
In contrast to a series of misadventures with other bikes, my 2000 CB 750 Nighthawk has been the epitome of motorcycle reliability. Yup, save for some leaky gaskets and typical […]
Ask Away! with Jeff Smith: How to Tune a Holley Street Avenger Carburetor for High Altitude Operation
My 670 cfm Holley Street Avenger carburetor on my 427ci Cobra engine (small block Stroker) has never worked properly since I have owned it. Just as your articles on tuning […]
Ask Away! with Jeff Smith: How to Connect a GM CS-130D Style Alternator in Place of an Original CS130
I have been looking for how to wire a CS-130D alternator in place of my CS-130. I came across your article on how to hook up a new alternator in […]
Ask Away! with Jeff Smith: Can I Run Solid Roller Lifters on a Hydraulic Roller Cam?
I have a small-block 350 street/strip engine that I continue to play around with. In my last session at the track, it seems like the engine doesn’t pull as hard […]
What is a Leakdown Tester? And How Do You Use It?
If you build engines or if you campaign a race car (or any street-strip car for that matter), a leakdown tester is pretty much a go-to tool. Why Do a […]
Single or Twin Turbos—Which One is Better for Boosting Your LS Engine?
Is it better to run one big turbo or two smaller turbos? This is a very common question among enthusiasts, and while it usually comes down to packaging, a single […]
Exploring Growth Potential: Trick Flow Performance Upgrades to a 5.0L Ford Explorer Engine
To start things off, head on over to your local junkyard and snatch up a fresh 5.0L Mustang engine. …Wait, what’s that you say? This isn’t the late 1990s (or […]
Bearing Down: Engine Crankshaft & Cam Bearing Basics
It should be no secret to anyone reading this that bearings are used for the camshaft along with the crankshaft main and rod journals in an automotive application. While some […]