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gmgod · 04-24-2004, 09:34 AM

Those #'s seem a little to good to be true. How much "finishing" did you do to the runners? CHP only got about 200cfm @.5 when they tested those, they may have been casting #113 but why would gm redesign an OLD head?

04-24-2004, 09:34 AM	#9
gmgod Senior Member Join Date: Mar 2002 Location: Springfield, MO Posts: 1,176 Car: 92 T/A VERT Engine: LB9 Transmission: AUTO Axle/Gears: 7.5 / 3.42's Classifieds Rating: (0)	Those #'s seem a little to good to be true. How much "finishing" did you do to the runners? CHP only got about 200cfm @.5 when they tested those, they may have been casting #113 but why would gm redesign an OLD head?