Grimace427
Well-Known Member
It has heads that are slightly better than the Boss heads, the same exhaust cams as the Boss, and very slightly better intake cams. On the other hand, it has an intake manifold that is worse and it doesn't have the forged pistons/rods or some of the beefed up stuff Ford added to be extra confident about the 7500 rpm redline in the Boss. Based on that I'm guessing it comes very close to the Boss rating, but just a hair under - probably 435 or 440.
Agree with Brent, and furthermore the cams are closer to the Cobra Jet than the Boss 302 with 13mm lift both intake and exhaust(versus 11mm intake for the '11-14 GT and Boss). Also the 2015 5.0 includes mid-phase lock Ti-VCT which allows greater cam timing control throughout the rev range.You are misinformed.
-Sinter forged connecting rods that are lighter and more durable for high-rpm operation
-Redesigned piston tops with deeper cutouts to clear the new larger valves
-Rebalanced forged crankshaft that supports higher-rpm operation
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