FULL SPECS, AIRFLOW AND DYNO DATA, WHO MAKES BIG HP? WHAT HEADS SHOULD YOU CHOOSE FOR YOUR HIGH-POWER 5.0L (SBF) BUILD? CHECK OUT THE RESULTS OF THESE HEADS IN PART 3 OF THE MEGA SBF HEAD TEST. WE COMPARED THE STOCK E7TE HEADS TO BIG-BOY COMPETITORS FROM AFR, TFS, BRODIX, DART AND EDELBROCK. HOW DID THEY ALL COMPARE AND HOW MUCH POWER DID THE STOCK IRON HEADS MAKE ON THE 393 INCH (351W) STROKER?
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- Paul Mccartney
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