Thread: AFR heads out perform GT40X heads even after porting, polishing, milling & cam swap
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Old 12-03-2010, 06:25 AM
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MOTORHEAD MOTORHEAD is offline
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Cobra Make, Engine: KIRKHAM 427 S/C, SHELBY 427 ALUM. STROKER
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I'm not surprised, from my "reading research" and alert to others comments AFR are difficult to exhausted with the one barring getting complete high rpm breeze banned in some cases. But for low to mid ambit ability and even into the college rpm ranges they are about the best around. They would absolutely be my aboriginal choice.


WTF? English, please !
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