One of the most common valvetrain upgrades for pushrod-style engines is roller rocker arms, which are often said to increase horsepower through reducing friction. But is it true? You’ll find out on this episode of […]
You’re sitting around with your typical street/strip V-8 and wondering, should I get 2.5-inch-diameter exhaust pipes and mufflers, or should I go 3-inch? In this episode of Engine Masters, presented by AMSOIL, we will help […]
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 curve, though, as […]
The 408 is one of the most popular small-block V-8 stroker combinations for Chevy, Ford, and Mopar. This time on Engine Masters presented by AMSOIL and supported by Earl’s Vapor Guard and Mr. Gasket, we […]
Should you run a carburetor, or should you try the new and easy self-learning EFI setups? We’ll dish up answers in this episode of Engine Masters, presented by AMSOIL. Host David Freiburger, Steve Dulcich, and […]
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 small-blocks and […]
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 […]
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 Masters presented […]
Dual quads! Three deuces! Eight barrels! Six jugs! The lore of multiple carburetors runs deep in the hot rodding world, and in the muscle car era it was common for the OE manufacturers to up […]
How do you pick the right size exhaust header tubes for your engine? This episode may set you in the right direction. In episode 4 we famously destroyed a set of Hooker headers with a […]
The 13th episode of Engine Masters, presented by AMSOIL, is an unlucky one for a poor little 305ci Chevy small-block. It was the victim of our test of how much nitrous oxide power boost can […]
On this episode of Engine Masters presented by AMSOIL, we explore an ancient scenario but still one of the most-asked tech questions we are asked: What budget bolt-ons can be used on a stock small-block […]
This episode of Engine Masters presented by AMSOIL delivers the goods many viewers have asked for as we test the power of straight dual exhaust with no crossover pipe versus using an H-pipe versus an […]
Ever wonder what those camshaft specification numbers really mean and how they affect engine performance? This episode of Engine Masters presented by AMSOIL is here to help, as David Freiburger explains cam lift, duration, love […]