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Old 08-08-2013, 08:08 AM
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Jerry Clayton Jerry Clayton is offline
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Join Date: Jul 2005
Location: Bartlett, Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Arthur----

The flow out of those cylinders are away from the spark plug a little bit and a pretty good sized dimple in the header tube wont hurt your performance( it might even increase the flow numbers!) Take a medium sized ball peen hammer and set it on the header tube where you need the clearance and tap it with another larger hammer to indent the tube for a bit more clearance----work it patiently (whats a 1/2 hour added to 10 years?)

Good to hear that you are driving it this summer-----
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