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Old 04-09-2026, 03:07 AM
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Default Sourcing Smog Tubes for BB w/AC

The passenger side A.I.R. tube had a short life span (from what I read years ago) was attributed to the condensation created from the A/C. Mine failed years ago and I would like to re-install the A.I.R. system, mainly for aesthetic purposes so am considering trying to source a donor A.I.R. pump to de-vane and install. I can find BB tubes for non-A/C cars but have had no luck finding a set for a '68 396/325 with A/C.

Does anyone know who might produce/sell them?

Thank you!
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Old 04-09-2026, 03:53 AM
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They might've been something like the 69. The 68 was Camaro & Chevelle only. I came up with 3921910 RH. I didn't figure out the LH side. This is what it looked like in 1969. I closed off the ends on mine...Joe
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1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO
1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E
1970 'cuda Moulin Rouge, 440-6, 4 speed
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Old 04-09-2026, 05:19 AM
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Yep, due to the small amount of cars built with ac and smog on the 396, they’re hens teeth. Reproduction found here, so available other places I suppose.
https://www.ebay.com/itm/336411249742

Last edited by Rsconv68; 04-09-2026 at 05:22 AM. Reason: Found more information.
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Old 04-10-2026, 02:24 AM
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Quote:
Originally Posted by Rsconv68 View Post
Yep, due to the small amount of cars built with ac and smog on the 396, they’re hens teeth. Reproduction found here, so available other places I suppose.
https://www.ebay.com/itm/336411249742
Wow, the price! I looked all over several weeks back and could only find them for non-AC. Thank you!
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Old 04-11-2026, 01:18 AM
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Well, if you need them….
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Old 04-11-2026, 02:51 AM
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I saw a RH for a 69 on here for about 750.00 a few years back That's not a bad price....Joe
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1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO
1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E
1970 'cuda Moulin Rouge, 440-6, 4 speed
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