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Thread: BBC heads and 6-71 blowers
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02-11-2007 #1
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BBC heads and 6-71 blowers
Getting ready to build my first blower motor, a Mark VI BBC. I'm considering a pair of cast iron heads that are available locally for a fair price, I think. They are 781 castings, oval port, with extensive bowl work, porting, CC'd, and gasket matching. They come with Manley stainless 2.19/1.88 valves, 10 degree locks, but no springs for $300. How will they work for a street only, low boost 6-71 blower? I'm not after huge HP, but I don't need it choked either. OR, should I save my money and pony up for some aluminums?
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