Truck Cam Swap Testing to Add Low-End Torque
The LS engine remains the darling of the performance world, but does that mean all LS owners are looking for the same thing when it comes time for upgrades? Obviously […]
Tech Articles
Tech Articles
Tech Articles
Ask Away! with Jeff Smith: Matching Fuel Pumps, Lines & Injectors for Max Power
I need help understanding EFI high pressure fuel systems. I have researched all over but the answer eludes me. What determines line size? I’m trying to build a Whipple Supercharged […]
Tech Articles
Installing a Hotchkis Sport Suspension Kit on a 1981 Chevy Camaro
In the high-performance world, nothing ever remains stock. That makes it difficult for aftermarket companies to design parts and kits that are true, easy bolt-ons for every car—where literally nothing […]
Tech Articles
Old vs. New: Comparing Vintage and Modern Intake Manifold Design
Intake manifold technology has progressed by leaps and bounds over the years. (Or, has it?) Additionally, there are many more players in the intake manifold business than we saw years […]
Tech Articles
Mailbag: Explaining Valve Overlap for Camshafts
Q: What is valve overlap? … A: Overlap is when the intake and exhaust valves are open at the same time. It is expressed in degrees of crankshaft rotation. Not […]
Tech Articles
Ask Away! with Jeff Smith: Tuning an Edelbrock 1406 Carb to Cure Fat-Running ’72 Jeep CJ-5
I have a 1972 Jeep CJ-5 with a 3.73:1 gear and 33-inch M/T tires. The engine is an AMC 360 rebuilt with 8.75:1 compression, stock heads, and a COMP Thumper […]
Tech Articles
AN Fittings Torque Chart for Automotive Plumbing
AN stands for Army-Navy. The size specifications were established by the U.S. military during World War II and were originally used in the aerospace industry. AN fittings use a 37-degree […]
Tech Articles
Improving Hook with Sway Bars on Drag Cars
In the past, we’ve taken a look at the forces at work when a vehicle is accelerating. To recap: “…as each cylinder in the engine fires, the pistons (and consequently […]
Tech Articles
Piston Ring Compressors: Different Strokes for Different Folks
When installing pistons, the first step is to wipe the cylinder bores with a clean, lint-free towel, and apply a small amount of conventional (non-synthetic) oil to the walls. It’s […]
Tech Articles
It’s No Theory: How to Contain Carnage from the Big Bang Clutch Explosion
More than 40 years ago, a friend came hobbling into my shop on crutches. His right foot was in a cast. He wasn’t very happy. As the story goes, he […]
