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-   -   1969 small block smog tube questions (https://www.yenko.net/forum/showthread.php?t=171858)

dvss1 05-21-2022 08:07 PM

1969 small block smog tube questions
 
3 Attachment(s)
Picked up these manifolds 826 and 527. My question on the 826 manifold it has a different shape smog tube I have never seen. Both manifds are dated I 1 8 and I 17 8. We're there differences in the early to late smog tubes or cars that got air conditioning?

Thanks SYC

rszmjt 05-22-2022 06:22 PM

Does the drivers side tube have a flattened area above #1 cylinder area? Its hard to tell from the photo. If it does it is 1972 up. I have seen that rh tube with the raised area before on vacumn pot controlled heat riser applications such as 73/74 Nova etc. with AC


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