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Tag Archives: LS7

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 »

FAST EFI and a Corvette in Camaro’s clothing

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Doug Holmes used FAST EFI and XIM to power his Camaro with Corvette suspension. Doug Holmes runs an engine shop called Finger Lakes Auto in Auburn, New York. He’s a frequent COMP Performance Group customer who recently shared photos of a personal project. It’s a collection of great ideas and one-off fabricated parts. It’s also a 1968 Camaro with Corvette ... Read More »

RHS Pro Elite LS7 heads offer HP gains with bolt-in simplicity

RHS offers its Pro Elite LS7 cylinder heads in 291cc and 307cc configurations to suit a wide range of street and race applications. They’re available fully CNC-ported or as raw castings. For older 3.900-inch-bore LS motors, RHS offers a 266cc small-bore variant as well. All Pro Elite LS7 heads are compatible with both stock and aftermarket intake manifolds.

Improving upon a set of mediocre OE cylinder heads is easy. Simply open up the bowls and back-cut the valves on a set of Gen I small-block Chevy heads, and — bam — an extra 20-30 horsepower is yours. Up the ante to a set of GM LS7 castings, however, and wringing out any additional airflow proves much more difficult. ... Read More »

GM High-Tech Performance – Room To Grow

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In the April issue of GM High-Tech Performance, the editorial team dyno’s its 376c.i. Camaro engine featuring a variety of COMP Performance Group™ components. The goal is to learn exactly what the power gains are with the aftermarket goodies. The power plant features RHS Pro Elite™ LS7 Cylinder Heads, a FAST™ LSXR™ 102mm Intake Manifold and Big Mouth™ Throttle Body, along ... Read More »

GM High-Tech Performance – LS7UP

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In their July 2012 issue, the editorial staff at GM High-Tech Performance makes a serious LS upgrade. Read about how they dig into the Racing Head Service Pro Elite™ Aluminum LS7 Cylinder Heads and install them on a 2010 LS3 Camaro. The project also features a FAST™ LSXR™ 102mm intake manifold and the COMP Cams LS Trunion Kit. Click on the link ... Read More »

RHS Pro Elite™ 3.900″ Bore LS7 CNC-Ported Cylinder Heads

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Memphis, TN – Racing Head Service is now offering LS7-style heads for original LS cathedral port engines. RHS Pro Elite™ 3.900″ Bore LS7 CNC-Ported Cylinder Heads not only get the best LS rectangular port heads onto all GM LS 5.7L – 6.0L blocks, they also provide up to 100 bolt-on horsepower over stock and feature all the benefits of other RHS  LS7 ... Read More »

RHS Pro Elite™ LS7 CNC-Machined 307cc Big Port Cylinder Heads

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Memphis, TN – New RHS Pro Elite™ LS7 CNC-Machined 307cc Big Port Cylinder Heads are designed for 454-502c.i. street engines that require additional runner volume and air flow to support the large cubic inch design. Big engines make big power, but often cylinder heads don’t provide the necessary flow characteristics for large power plants. New RHS Pro Elite™ LS7 Big Port ... Read More »

RHS Pro Elite™ Aluminum Assembled Cylinder Heads For LS7 Applications

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Memphis, TN – RHS Pro Elite™ Aluminum Cylinder Heads For LS7 Applications are now available in fully assembled versions that are perfect for small and large cubic inch, hardcore street applications. RHS Pro Elite™ LS7 Cylinder Heads are the aftermarket’s first high performance LS-style head to feature a raised intake runner design that fits both stock and aftermarket LS7 intake manifolds ... Read More »