Articles tagged #BIG-BLOCK CHEVY
Articles tagged
#BIG-BLOCK CHEVY
Big-Block Chevy 454 Top-End Upgrade: Edelbrock RPM Heads, Intake, and COMP Cam
A Gen VI 454 pulled from a wrecking yard produced 369 hp in baseline trim. After installing Edelbrock RPM 454-O aluminum heads, a Performer RPM Air Gap intake, and a COMP XR271HR12 hydraulic roller cam, output climbed to 481 hp and 527 lb-ft of torque.
Dyno-Tested: Four Power-Adders on a Junkyard Gen VI 454 Big-Block Chevy
A Gen VI 454 pulled from a salvage yard produced 370 hp in baseline form. Tested with four successive power-adders, the junkyard big-block reached 832 hp and 866 lb-ft of torque on twin turbos at 12.3 psi.