05-24-2012, 05:33 AM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
All you need is a measurement between the back of the tube and the firewall where it has framework behind it. You also want to check the angle or parallel between them. Lots more details and graphic pictures on the link. Those with weak dispositions should not follow it, you have been warned!
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