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Tag Archives: LS

COMP Cams GM Sportsman Tool Steel Camshafts Offer Strength, Flexible Profiles

COMP GM tool steel cam

Custom GM Sportsman Tool Steel Camshafts from COMP Cams feature core technology widely used in NASCAR, NHRA and other professional race engines for its high strength and profile flexibility. Special ST4 grade tool steel is available only from COMP Cams and 30 percent stronger than SAE 5150 or SAE 8620 options. Due to its higher carbon content, it has been shown to ... Read More »

Low Buck DIY: LT1 Adjustable Cam Gear

We chucked up our trusty .350 bit and made our way through the metal, slotting the holes.

When upgrading our LT1 to an LS1-style ignition with the bolt-on kit from EFI Connection, we began installing our camshaft from COMP Cams with the factory cam gear. We found our Top Dead Center and then our Intake Lobe Centerline. To meet our desired 111 degree intake centerline, the cam core was ground at 115 degree lobe separation angle with ... Read More »

FAST EFI and the Week To Wicked C10

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Every year, the crunch to bring a new vehicle to SEMA has shops working hard. While some labor for months or even years on their vehicles, Classic Trucks Magazine did it in one week. With the help of Fuel Air Spark Technology (FAST) EFI from the COMP Performance Group, project “Week to Wicked” turned a ¾-ton long bed into a lowered, ... Read More »

Low Buck DIY: LS Springs on LT1 Heads for More Lift

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Modifying heads to accommodate higher valve lift can seem like a daunting task. However, with a little knowledge and the right tools, it can be done by most people who know their way around a tool box. Our LT1 project includes a higher lift cam and a set of new COMP Cams conical valve springs designed for an LS. Our ... Read More »