Quote:
Originally Posted by Firefighter
I just read a few things on the Road Runner... I still bet they don't break 450HP.
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-New cams with 1mm more intake lift and 2mm more lift on the exhaust side
-New cylinder heads with revised high-flow ports and slightly larger valves
-Mid-lock cam phasers to provide greater range of cam timing on the intake side
-A revised intake manifold with charge-motion control valves.
-The forged connecting rods from the current Boss 302 engine
-The forged balanced crank from the current Boss 302 engine
-Revised piston tops
-The valve springs from the current Boss 302 engine
-Standard oil cooler
It'll have the Cobra Jet intake cams, Boss exhaust cams, Boss heads with bigger valves (that even the CJ did not get), Boss rotating assembly, and a new intake manifold with IMRC's to better manipulate the airflow from the manifold to the heads. Honestly to expect a gain of only 6hp over that RoadRunner V8 seems to just be a bit of naivety. Remember that the RoadRunner heads are CNC'd so larger valves and a optimized intake manifold could and very well should hit the 475 number...even before DI is used.