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Old 09-19-2022, 03:33 PM
mhm1966 mhm1966 is offline
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Default Smog Tubes

Can someone tell me what application these smog tubes are for?
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Old 09-19-2022, 04:00 PM
McCune McCune is offline
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72 73 probably others.
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Old 12-02-2022, 06:23 AM
CamarosRus CamarosRus is offline
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Who offers replacement of individual 1/4" Flared End Pieces......The rest of the tree is Original and Good ??????
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Old 12-02-2022, 03:05 PM
KevinW KevinW is offline
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Hmm, I used one of the factory extension tubes. I put a steel rod inside as backing and MIG welded them up. Now I read they are stainless. Mine were rusty, not sure how that happens with stainless! and they are not magnetic. But they welded up fine! Of course, just for looks anyways.
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Old 12-02-2022, 03:16 PM
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169indy 169indy is offline
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Kevin, It may be the "Extension tubes" that live in the manifold and exhaust stream are a separate part that are Stainless & not the Trees>?

My 1968 396 Trees rotted from the inside out, definitely ordinary steel, with steel tubes crimped and brazed at the joints. I just gave up attempting to repair and got replacements back in the 90's from Bill H.
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Old 12-02-2022, 05:37 PM
KevinW KevinW is offline
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Agree, the extensions (live in the exhaust) are stainless, trees are not. But I was still able to MIG weld them together. They might not last with hot engine over time, but we will see when I install them in the future.
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