Induction

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 […]

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 […]

I’ve got a direct-drive ski boat with a worn out 350 c.i.d. small-block Chevy. I’m thinking about building a new engine with modest goals. It’s a family boat, but I […]

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 […]

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 […]

It’s time to tackle the important job of plumbing the lines for all the vital fluids that will keep Firebolt alive and well. This turbo 5.3 will need plenty of […]

In today’s video, Ken from FST Performance Carburetors shows us how to install and tune an FST Billet X-Treme Series carb on a 1969 Chevrolet Chevelle. The Chevelle already had […]

I’ve been reading you for years at various magazines like PHR, Hot Rod, and Car Craft. I’ve been curious about the lower end of the torque curve. Looking at various […]

Back when I built Thunderbolt, my LS3 Miata, I had a very clear project plan laid out.  I wasn’t the first person to do an LS-based drivetrain conversion on a […]

I have a 2012 F-250 Ford built to use flex fuel. What is the best way to maximize miles per gallon? Is there any advantage to running 1/2 tank of 93 […]