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Old 12-27-2003, 07:35 AM
Janusz Janusz is offline
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Join Date: Dec 2002
Location: Midwest, IL
Cobra Make, Engine: Shell Valley, 351 Sportsman
Posts: 118
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JL1924

My SV has the same configuration and the expanded inlets on the headers keep the connection tubes from moving down. If you search some past posts, you'll see comments around the pipes sealing against each other once they heat up. I've always found that some amount of exhaust blow-by occurs where the tubes slip into each other, which is a nuisance.

Once you locate the tubes in the headers, you could weld up one set of the joints to limit both movement and exhaust leaks. Take a look at the photos from one of CC club members, Mike Lopez, for his approach on the header/side pipe connection.
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