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Old 07-26-2010, 08:53 AM
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lnfletcher lnfletcher is offline
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Join Date: Feb 2006
Location: Alexander, AR
Cobra Make, Engine: B&B 427 Stroked Windsor TKO 600 w/3.50 posi 9"
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Will do,
Shows my ignorance, I thought if the secondary butterflies were mechanically linked to open, then it was mechanical secondaries and that the AVS refered to the adjustable spring flap on then top of the Thunder series.
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