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Posts tagged: AMSOIL

The Power of 2.5- vs. 3-Inch Exhaust. Is bigger better?

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 you decide, giving answers about power, tuning, and weight on 2.5- and 3-inch systems. You’ll also find out about a

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Best Cheap Chevy 350 Mods—Dyno-Proven!

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 Chevy 5.7 to get more horsepower? Watch as we take the cheapest Chevy 350 crate engine you can buy and

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Gas vs. E85: Power and Pros & Cons

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 we test Holley’s out-of-the-box carburetor tunes, discuss other tuning differences, and go over a long list of other considerations you

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Do Roller Rocker Arms Add Horsepower?

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 Engine Masters presented by AMSOIL, as we use a 7,000-rpm, small-block Chevy to test stock-type stamped-steel rockers, roller-tip rockers, full

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Camshaft Specs Explained

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 separation angle, and installed centerline. Next, we test a low-rpm cam and a high-rpm cam in the same engine to

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