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Blue Thunder stage X heads Blue Thunder stage X heads
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  #1 (permalink)  
Old 06-15-2012, 12:27 AM
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Default Blue Thunder stage X heads
Can anyone confirm if the Exhaust ports on the Blue Thunder stage X heads exit higher than standard OEM designed heads?

Or are the exit ports at the same height?


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Old 06-15-2012, 02:42 AM
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I'm pretty sure I read in BarryR's book that BT heads have the exhaust ports 0.400 higher
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Old 06-15-2012, 11:13 AM
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I think its 3/8 higher.
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Old 06-20-2012, 08:03 AM
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.400 higher is correct
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