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Jeff - those AFR205 heads outflow the Vic jr heads significantly out of the box. On my own tiny block, swapping from the Edlebrocks to the AFR's would, in theory, according to desktop dyno, gain me 50 hp and lbs ft. Mainly 'cos strokers like good head flow figures.
In practice, I am going to take the existing heads off and give them a good porting job to get the same result for much lower $$$s.
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Wilf
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