There’s nothing we love more for big torque and visual impact that a good ol’ antiquated roots supercharger! On episode 25 of Engine Masters, presented by AMSOIL, hosts David Freiburger, Steve Dulcich ...

David Freiburger and Steve Dulcich are no strangers to junkyard engines and bizarre modifications on Roadkill Garage. On Engine Masters, they take that to the next level, adding crazy upgrades to ...

Does fuel really matter for your engine? Watch as the Engine Masters team takes a scientific look at just how much power and performance are produced by different types of gasoline. Video created by ...

On episode 64 of Engine Masters, the guys take a 555 big-block Chevy to the Blower Shop then test the difference in power between gas and E85, and how much more power can be made when running each on ...

As masters of the Mopar engine, David Freiburger and Steve Dulcich know how to exact the most horsepower and torque from stock Mopar engines. Here's what the've done to some pretty basic Mopars on ...

Engine Master Episode 49 $40 Muffler Test Dulcich and Frieburger test what the best bang for your buck is with a selection of $40 mufflers. What are they testing on? Their scratch-built Ford Cleveland ...

Topping your engine with a set of aftermarket cylinder heads is a near-certain method for making more horsepower and torque—but is the extra power really worth the money? In this episode of Engine ...

Hot intake air temps are bad, and cold IATs are good, right? But how bad is bad, and how good is good, especially in a boosted application? To find out, the guys explore the benefits of an air-to-air ...

On this episode of Engine Masters presented by AMSOIL, we test the long-standing Internet theory that too big of an intake port kills bottom-end torque. Watch us take the mildest of 408 Ford ...

This episode of Engine Masters presented by AMSOIL reinforces the fact that Steve Dulcich is not just the guy in the back of the dyno room—he’s a legit engine master. And you won’t question that after ...