When Edelbrock introduced their Mopar small-block heads a couple of years back, they filled a sorely needed void in the Mopar performance marketplace-an affordable, bolt-on, high-flow replacement for ...
Yes, the new Edelbrock Performer RPM heads are good. On our 2006 5.7L-based test engine, we picked up 49 hp and 28 lb-ft of torque by simply bolting them on. The heads are available with three ...
In our last installment, we visited RaceKrafters Automotive Machine in Lancaster, PA to test the Edelbrock RPM Air-Gap LT1 Intake Manifold on a nearly stock 355cid LT1. Using a much smaller plenum ...
Normally, when issues like damage and high mileage make replacing the cylinder heads on a 6.6L Duramax diesel engine necessary, most people use rebuilt stock heads. This has been the standard practice ...
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