Mustang Forums - View Single Post - Anyone intrested in 5.4L swaps, in here. Need you to opine.

bassman97 · 11-12-2007, 06:21 PM

Considering the Cobra R made 376 rwhp and 385 rwtq w/ the Cobra R heads, regular Cobra heads will probably bring the power output to around the advertised 385 crankhp and 385 cranktq. Subtract more for things that will constrict the airflow.

11-12-2007, 06:21 PM	#2977 (permalink)
bassman97 blank Join Date: Jun 2006 Location: North Jersey Posts: 1,680	Considering the Cobra R made 376 rwhp and 385 rwtq w/ the Cobra R heads, regular Cobra heads will probably bring the power output to around the advertised 385 crankhp and 385 cranktq. Subtract more for things that will constrict the airflow.