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Speedmaster Vortec Head Review With Real Flow Numbers
WebLARGE-PORT VORTEC BOWTIE HEAD ASSEMBLY Completely assembled, ready to bolt-on Airflow (281 cfm @ 0.600") 225-cc intake ports 77-cc exhaust ports 65-cc combustion chambers P/N 1470 exhaust gasket (minor trimming may be necessary) Bare head P/N 19331473, available separately Bring Us Your Talent WebApr 1, 1999 · Valve Sizes. 2.08/1.60. I FLow @ 0.400: 220 cfm. Brodix is one of the leaders in hot performance cylinder heads, but the -8 Pro is perhaps its best-kept street-type secret. With large 2.08-/1.60 ... how to stop body hair growth
Street-Style Vortec Head Test - Tech Article - MotorTrend
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