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Tag Archives: LS Engine

Speed Secrets: Making 1000hp From a 408 Stroker!

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If you’ve been overlooking the little thing that go into modifying an engine, you’re missing the change to make big power. It’s true, it’s easy to make big power with big displacement combined with boost, but it’s not the time to overlook the supporting mods – things like fuel injectors, coil packs, and the camshaft, so let’s look at the ... Read More »

Battle of the Sixes: LQ4 vs LY6

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Words and Photos: Richard Holdener  Time, they say, marches on and that is good news for LS enthusiasts. The reason time is important for LS enthusiasts is that as each year goes by we get more and more engines in the wrecking yard to choose from. Not only do we get a fresh supply of motors for the wrecked vehicles, ... Read More »

The 100 Horsepower Upgrade: Cam Only 5.3L Test

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Words and Photos: Richard Holdener  Despite being introduced way back in the 1990’s (1999 to be exact), and being replaced by the new Gen V LT engine family, the LS engine still reigns supreme. One need only look at the popularity of the LS for all manner of performance, including its use for engine swaps. If market sales are any ... Read More »

Displacement vs Back Pressure

After installation of the turbo system on the larger 6.2L, the modified LS3 produced 807 HP and 747 lb-ft of torque. The peak boost pressure on the 6.2L was 6.9 psi, with a peak back pressure reading of 13.8 psi. Bigger motor equals more power equals more back pressure!

Words and Photos: Richard Holdener Unless you have been hiding under a rock for the last decade or two, the hottest thing going right now is the LS engine family. It is hard to believe that it was even possible to replace the original, and wildly successful, Small Block Chevy. After all, the original mouse motor was successful in just ... Read More »

FAST LSXR 102mm Intake Manifold Runner Sets

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Memphis, TN – Due to a patented removable runner design and the introduction of two additional runner sets, LSXR 102mm Intake Manifolds from FAST now have the capability to shift torque and horsepower gains to a higher RPM than the original version, making them the most flexible options on the market. In addition to the original FAST LSXR 102mm Intake Manifold & Runner Set, ... Read More »

COMP Cams Camaro Restoration Nearing Completion

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After many days of “dirty work,” the COMP Cams Camaro is now on the fun part of the build. With the body in paint and the RHS LS built and dyno-tested, things are looking better every day. Gone are the days of looking for surprise rust and hogging old paint. Now that we are over the hump and on to ... Read More »

COMP Cams Back To Basics Video: LS Valve Train Stability

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Memphis, TN – In the latest installment of the Back to Basics video series, host Richard Holdener demonstrates how an LS valve spring upgrade can help prevent valve float. GM LS engines provide an easy and inexpensive way to make horsepower, but their weak link is in the area of factory valve springs. When it comes to installing boost, an ... Read More »

How To Swap An LS Cam

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The GM LS is one of the most affordable and versatile engines on the market today. COMP Cams has enthusiastically responded to this popularity with a wide variety of high performance camshafts and upgrading to one couldn’t be easier. To demonstrate this, Xceleration Media’s Richard Holdener recently hosted a step-by-step video on swapping a more potent COMP grind camshaft into a stock ... Read More »