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NO SLO PK · 01-01-2002, 01:50 PM

Just my two cents. Based on my friend's experience with the Seniors, they'll wind to 6000 without a problem. It's kinda difficult to determine the exact powerband without knowing the induction system, exhaust, and cam.

Nice heads. You've got a lot of material to port, if you choose. Extreme porting on my friend's heads yielded 270 CFM Intake, 180 exhaust at 0.500 lift and 28 inches of H2O. Despite the weight, cast iron does have a few advantages over aluminum.

01-01-2002, 01:50 PM	#2
NO SLO PK Registered Member Join Date: Mar 1999 Location: Arcadia, CA, USA Posts: 731	Just my two cents. Based on my friend's experience with the Seniors, they'll wind to 6000 without a problem. It's kinda difficult to determine the exact powerband without knowing the induction system, exhaust, and cam. Nice heads. You've got a lot of material to port, if you choose. Extreme porting on my friend's heads yielded 270 CFM Intake, 180 exhaust at 0.500 lift and 28 inches of H2O. Despite the weight, cast iron does have a few advantages over aluminum. __________________ Russ L '91 LX - 331 w/ Procharger '03 Cobra Convertible - Pullied '94 Lightning '65 Mustang Coupe