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Tag Archives: LT1

Speed Secrets: Less Valve Lash = More Horsepower?

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Speed Secrets with Richard Holdener has always had an unrelenting focus on the big parts of engine building, like camshafts, cylinder heads, intake manifold, and so on. However, there is more to achieving the right setup than just choosing the correct big ticket items. In an effort to present the affects the little details have on an engine, Richard turns ... Read More »

COMP Cams® Cam Phaser Lockout Kit for GM L92, L94, L9H & Gen V LT Engines

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Memphis, TN –New COMP Cams® Cam Phaser Lockout Kits for GM L92 & Gen V LT engines allow engine builders and enthusiasts to eliminate variable valve timing (VVT) in specific GM applications, making the installation of larger camshafts possible for big power gains. This phaser lockout kit includes a plug that prevents the VVT phaser from moving the camshaft. The ... Read More »

COMP Cams® .700 Max Lift Dual Valve Springs for GM LS7, LT1 & LT4 Engines

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Memphis, TN – COMP Cams® introduces a new .700″ Max Lift Dual Valve Spring that uses the additional installed height available in newer stock GM LS7, LT1 and LT4 engines to increase valve lift capacity and improve valve control. These new valve springs are optimized to improve performance in engines with taller installed heights. Capable of sustaining up to .700” ... Read More »

TCI SFI 29.2 Flexplates for GM LT1/LT4 Applications Lighter, Stronger

TCI 29.2 Flexplates for GM LT1LT4 Applications

New one-piece flexplates from TCI offer heavy-duty strength with less weight for high-RPM GM LT1 and LT4 applications. Available in standard and lightweight versions, the TCI SFI 29.2-certified flexplates are made from 4140 forged steel and feature a hobbed-on ring gear and robotic tig-welded converter spacers. Gas nitriding provides for extra surface hardness and strength, while E-coating offers corrosion protection. CNC-milled pockets ... Read More »

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

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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 »

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 »

COMP Cams GM Gen V (LT1/L83/L86) Camshafts

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Memphis, TN -The first company to offer performance cam upgrades for GM Gen V (LT1, L83 and L86) V8 engines is none other than COMP Cams. Revolutionary GM Gen V Camshafts (LT1/L83/L86) from COMP Cams are designed to work with the direct injection (DI), variable valve timing (VVT) and Active Fuel Management (AFM) lifters featured in GM’s new Gen V V8 ... Read More »

COMP Cams GM Gen V (LT1/L83/L86) Sportsman Tool Steel Camshafts

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Memphis, TN –GM Gen V Sportsman Tool Steel Camshafts from COMP Cams are high-strength, custom-ground components utilizing aggressive direct injection lobe profile options, allowing the engine to support added horsepower. COMP Cams tool steel cam core technology, widely seen in NASCAR, NHRA and other professional race engines, is now available in the form of GM Gen V (LT1/L83/L86) Sportsman Tool Steel ... Read More »