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 ...

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 ...

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 ...

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 ...

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 ...

On this episode of Engine Masters presented by AMSOIL, we test the power differences between 118-octane race gas and Rockett Brand E85 ethanol-blended fuel. There’s a lot more to just the horsepower ...

Engine Masters Scoring Explanation Steve Dulcich from Engine Masters Magazine explains how the scoring system works for the compettition. Check back to popularhotrodding.com and enginemasters.com for ...

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!

2013 AMSOIL Engine Masters Challenge Video Coverage - Friday/Final Results Five days ago 30+ teams arrived to put their engine to the test at the 2013 AMSOIL Engine Masters Challenge and after a ...

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 ...

The AMSOIL 2011 Engine Masters Challenge ended on a high note. Nail-biting, heart-stopping action as the best of the best competed for the title of this years Engine Masters for the Street and Xtreme ...