Tech

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Video: Your Top Questions About the FiTech Go Street EFI Answered!

By now, you may have already heard about the self-tuning FiTech Go Street EFI (or other FiTech fuel-injection systems) as being the aftermarket’s most-affordable alternative to carburetors. Depending on your application, you may find a FiTech system that fits your wants and needs for about the same price as a new carb. Which is why

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Monday Mailbag: Troubleshooting Distributor Cap Meltdowns

Q: I have a 1976 Chevy Blazer with a 320 hp small block. It has a 600 cfm carburetor, MSD 6A ignition with an HEI adapter kit, and a heavy duty distributor cap and rotor. I keep melting a hole through the distributor cap, plus the center terminal (spring included) and the arc seal. I swapped

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Back in Black Nighthawk LS (Part 3): 629 Horsepower from a 408 LS Engine!

Editor’s Note: Mike Mavrigian’s shop, Birchwood Automotive, specializes in street performance and racing engines as well as vehicle restoration. We covered his last build, a 499 cubic inch Mopar 400 big block. This time, he’s building a 408 cubic inch LS engine based on a 6.0L cast iron block. In this final installment, we’ll highlight

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Video: Upgrading Valve Springs to Accommodate Cam Swap

When the gang at COMP Cams decided to swap the camshaft in a 454-cubic-inch V8 L29 L.4-liter Gen. VI motor with an aggressive profile, they were also forced to upgrade the engine’s valve springs to accommodate it. You can see that cam swap video here. There are three important considerations when choosing valve springs: Matching

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Mailbag: Setting Performance Goals for a Chevy 283

Q: I have a small block Chevy engine. Unfortunately, I don’t know what size it is! The bore is 3.87-inch so I assume it is a 283 or a 307. There is a canister type breather in the lifter valley; I understand that means the engine is a 1967 or earlier. I copied down the casting

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Losing Your Cool: 9 Cooling System Myths and Mistakes — and Why to Avoid Them!

There are many myths and misconceptions about engine cooling, but the truth is your engine’s cooling system must perform a balancing act. It needs to extract enough heat to keep your engine happy, yet maintain enough heat to keep it operating efficiently. That means keeping the engine in the 180- to 210-degree F range. To achieve and maintain optimum temperature range, a good cooling

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Video: Performing a Cam Swap on a 454 Big Block Chevy

Discover how adding a more-aggressive camshaft to a factory engine can dramatically increase power, when the good people at COMP Cams show you how to perform a cam swap in a massive big block Chevy. Using a 454-cubic-inch V8 L29 7.4-liter Gen. VI motor, which originally came equipped in 1996-’99 full-size Chevrolet and General Motors

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