10-18-2011, 01:39 PM | #1 |
Registered User
Join Date: Oct 2011
Location: Houston
Posts: 3
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Exhaust Question
I have a 350 in my 69 GMC (after market motor 74') On my exhaust manifold (driver side) there is a lever. Does anyone know what the lever is called and what it is for? It appears to adjust the exhaust flow..
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