SEMA 2013: BluePrint Engines Offers Supercharged 427 LS Crate Motor

After focusing mostly on naturally aspirated offerings, BluePrint Engines showed off a supercharged 427 Stroker crate engine at the SEMA Show. Rated at 750 horsepower with 725 lb-ft of peak torque, the engine includes a Magnuson TVS2300 supercharger. Target audiences include street rods, trucks, kit cars, off-road vehicles, restoration projects and musclecars.

“The engine is based on a GM LS3 short block,” explains Dru Freeze, product manager at BluePrint. “It uses all forged components.”

The engine retails for $19,999 but also includes a 30-month/50,000-mile limited warranty.

“This engine is designed for street use, and the warranty covers defects in parts or workmanship,” adds Freese.

Two views of the new BluePrint LS3 cylinder head.

The all-aluminum engine is internally balanced and features a custom cam profile developed by BluePrint as well as a 58-tooth reluctor wheel. As with all BluePrint engines, it’s dyno tested to ensure performance and owners receive a copy of the test sheet.

Two views of the BluePrint Ford small-block head on the right and two views of the Chevy big-block head on the left.

The 427 Stroker currently uses GM heads, but BluePrint unveiled a new LS3 aluminum cylinder head designed in-house that comes as-cast or CNC machined. They will be available with 72cc or 77cc combustions chambers, and there’s also a choice between 259cc and 270cc intake runners. The new head will soon become part of BluePrint’s crate-engine lineup.

BluePrint also offers a Ford small-block head with 190cc intake runners and 60cc combustion. Valve sizes are 2.20/1.60. There’s also a Chevy big-block head with 358cc runners and 119cc combustion chamber. It comes with 2.30/1.88 valves. Both are cast from aluminum and designed and produced in-house at BluePrint. The heads are also fully assembled with heavy-duty components and come with a 12-month limited warranty.

About the author

Mike Magda

Mike Magda is a veteran automotive writer with credits in publications such as Racecar Engineering, Hot Rod, Engine Technology International, Motor Trend, Automobile, Automotive Testing Technology and Professional Motorsport World.
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