Action-Packed Big-Block TestIn these days of all-aluminum, ... Edelbrock Intake And A Lumpier Comp Cam. ... our good thing started out life as a simple 454 offered by Demon Engines.

C.J. Baker details the exact combination of parts and modifications that he uses to make a reliable 650 hp from the 427 Chevy. The engine is topped off with an Edelbrock C-454 aluminum intake ...

Even though the Chevy 454 big-block engine is ... Topped with a dual-plane intake manifold ready ... Featuring a cast-iron block and aluminum cylinder heads, the BluePrint 454 provides 460 ...

JM:The LSX 454 comes standard with a hydraulic roller that specs out at 0.635-inch lift on the intake, 0.635-inch lift on the exhaust, and duration [at 0.050] of 236 degrees on the intake and 240 ...

The aluminum Pro Comp heads featured 320cc intake ports, a 2.25/1.88 stainless valve combination and flow numbers that easily eclipsed anything offered by the factory, especially our cast-iron ...

Thanks to its free-flowing cylinder heads, intake and exhaust manifold ports, and better engine control electronics, the 8.1 Vortec quickly surpassed the outgoing 454's performance ratings.

As opposed to the hydraulic-lifter LS5 that flexes 360 horsepower, the solid-lifter LS6 rocks 450 horsepower thanks to a Holley four-barrel carburetor and an aluminum intake manifold.

Topped with a dual-plane intake manifold ready to accept your carburetor, ... Featuring a cast-iron block and aluminum cylinder heads, the BluePrint 454 provides 460 horsepower and 479 lb-ft of ...