Tech

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Mailbag: What Lifters Should I Use For My 360 Dodge Magnum Cam Swap?

Q: I’m building a 360 Dodge Magnum engine, and want to install a performance hydraulic roller camshaft. I can’t find the replacement OEM lifter alignment bars that the stock roller lifters require. Is there another lifter option for this engine? A: Yes! You can use Howards Cams retrofit hydraulic roller lifters. They work in both LA

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Mailbag: Rejuvenating an Old 454 Big Block Chevy

Q: I have a 1973 454 big block Chevy. It has a 8.5:1 compression, stock oval port cylinder heads, a Crane PowerMax camshaft, and Edelbrock Performer intake, and a Holley 750 cfm carburetor. The engine needs an overhaul but I would like to retain the stock cylinder heads and intake. What would I need to

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Mailbag: An Easy Way to Make 500HP in an LS1-Powered 2002 Camaro Z28

Q: I want to get 450-500 horsepower out of my 2002 Chevy Camaro Z28. My car already has an 80mm BBK throttle body, a Granatelli mass airflow sensor, an SLP LS1 airbox with K&N filter, and a Flowmaster American Thunder exhaust system. I’ve thought about installing a new camshaft, cylinder heads, intake manifold, and a

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How to Set-Up and Tune Holley’s Dominator EFI System (Part 1)

It’s no secret that aftermarket electronic fuel injection (EFI) systems are becoming more and more commonplace. It should come as no surprise however, that some of the early systems were a bit complex—you had to know your way around a laptop computer to make the thing function, and even then many of the systems weren’t

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