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Re: C2 a i r system on my 66
Aside from the check valves, none of those parts look like corvette. They appear to be for a four cylinder engine like a corvair.Comment
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Re: C2 a i r system on my 66
I agree. These do not look like Corvette components to me.
What are the exhaust manifolds like? Do they have 4 fittings for AIR on each?In Appreciation of John HinckleyComment
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Re: C2 a i r system on my 66
Francis, were those installed on your car and you personally removed them from the manifolds on your car? The tubes in the center of your first photo look like 70’s/early 80’s C3s with the ends broken off. (They only used a tube with 2 fittings one the one manifold and used all 4 on the other manifold.) Your upper right tubes look nothing like anything Corvette from 66-82.Comment
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Re: C2 a i r system on my 66
The diverter valve looks like what was used with GM 68 and up systems. What may help to find the year those parts came off of are the clamps. Originals usually have a quarter and year stamped on them. The diverter may have numbers also which could narrow applications. Francis if you post the numbers some applications may be found.Comment
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In Appreciation of John HinckleyComment
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Re: C2 a i r system on my 66
77D098FB-A215-4F4F-882C-FCB65BE6BC49.jpg5B7F8908-F7D3-43C3-B722-8A3EF91A29D6.jpgComment
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Re: C2 a i r system on my 66
Francis-------
Well, the manifolds are likely original but little else of this AIR system is.
Your AIR system is a "cobbled together" system that probably never even originally resided on a Corvette although it's possible that the left side "tree" might have been once installed on a 1977-80 Corvette. I could not even guess where this system originally resided and it may even have been assembled from pieces from different sources. It does not matter; it's all JUNK.
I can guess how this came to be, though. Way-back-when the original AIR system was removed and, likely, discarded as many such systems once were. At some time in the mid to later 60's, the California Highway Patrol started a "pop-up" inspection program to identify and cite vehicles that had had smog control systems removed or tampered with. There was no functional test; just a visual inspection. So, whoever owned this car at the time decided they better re-install an AIR system that could fool the non-technical, visual inspection. They didn't have the original system and they didn't want to bear the cost to replace the original components with GM parts. So, they went to a wrecking yard and stripped a system off of "any old car" and found a way to "graft" the system onto their car. The ULTIMATE "bubba" job! This whole system can be trashed as absolutely worthless.
Your manifolds would be fine to use with a correct system. Unfortunately, you're going to find that the hex head plugs installed in most of the fittings and the stubs of the tubes that broke off will probably be nearly impossible to remove or, at least, impossible to remove without damage to the manifolds.In Appreciation of John HinckleyComment
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Re: C2 a i r system on my 66
joe,as you may not know my 66 coupes shipping report shows that the corvette s/n 23,414 (aprox june 1966) was shipped directly to the G M Zone office in LosAngles California where it started its life.i bought it 10 years later,in Buffalo N Y.(emission stds for the most part non existant.i will try to post was this equipment on from the factory ?Emission checks passed in Calif.(see window sticker) as you suggest bubba could have made roach job ,but my question is why?N Y insp relaxed at that time.what happened in those 10 years 66__1976 is a mystry,but i do recall removing this hardware.final year on the n y caifl road.jpgfinal year on the n y road (3).jpgComment
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Re: C2 a i r system on my 66
joe, the blue window sticker is the one calif.issued,the other two were on the car when i purchased it.thanks Francis.Comment
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Re: C2 a i r system on my 66
Francis------
I expect the reason why was that, as I mentioned, someone removed the original system, probably sometime during the "mystery" 1966-76 period. This is exactly the period when these systems were being stripped off cars en masse. Foolishly, I actually removed such a system from my new 1966 Chevelle SS 396 and had to restore it when I traded the car in in 1968 for a new Chevelle SS396. Fortunately, I had saved the entire system so re-installing it was easy. Most guys just trashed the system. I expect that's what happened to yours. So, when the owner needed to re-install a system for whatever reason, they "cobbled" one together from junk yard parts. As I mentioned, functional tests were not being performed in this period. Checks for the system were done visually only and your "cobbled" system could get by.
The blue sticker was enplaced to show that the car had been retrofitted with a NOX device. This device was sometimes referred to as the "Echlin Device" because Echlin was the primary manufacturer of them (although there were others). These were once foolishly required by the State of California in the late 60's-early 70's. No functional check of these was ever done, either----just a visual inspection that got one the sticker you see. These devices made the cars run terribly and most owners stripped them off right away. These devices were in no way connected or part of the AIR system. They were a completely different device that, as I recall, retarded the ignition timing under certain conditions. You may find a vestige of the installation on your firewall.In Appreciation of John HinckleyComment
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Re: C2 a i r system on my 66
Joe,as alwaysComment
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Re: C2 a i r system on my 66
Hi Joe--
I sent you an "off topic" question via PM that this discussion prompted/promoted.
Thanks.Rob
SPEAK YOUR MIND, but ride a fast horse. -- AnonymousComment
C2 a i r system on my 66
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