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Old 10-12-2021, 03:34 AM
jerry455 jerry455 is online now
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Default Help / '69 Z/28 air cleaner opinion?

Hello,
This site is a great resource- so many knowledgeable guys on here to learn from.
How does this air cleaner base look off my Brother's '69 Z/28 that I've been helping document & fix little mechanical issues. (car has the ducted hood- not sure if it was added later or original) I read several places that the assembly-line versions are referred to as having a "Flat Base"- hard to tell what I have unless someone has seen several to make comparisons. I took a few pics. There was one for sale on here recently and this one looks the same to me? The car does have the original Holley carb, not a reproduction and still has the small fuel line bracket off the carb base.
Anyways, check out the pics and let me know your thoughts?
Thanks!
Jerry
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Old 10-12-2021, 10:52 AM
R68GTO R68GTO is online now
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Looks legit to me. The elbow also appears to be a 90 degree bend vs 2 45 degree bends on later/service replacements. Does the seal ring plate have a flat cut off the OD or is more oblong?
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Old 10-12-2021, 02:32 PM
KevinW KevinW is offline
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I agree, looks like an original ZL2 base to me. I recently fixed the pics on my ZL2 comparison thread on TC: https://www.camaros.net/threads/zl2-...of-pics.54696/
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Old 10-12-2021, 05:31 PM
roadster roadster is offline
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Default Air cleaner

If car has fuel line support bracket from factory (stamp rite ) should be a later car , later cars at some point went to base with ridge not flat bottom . The flat bottom breathers sell for more money . Other ways to tell if hood was added , solenoid on firewall assembly line mounting and should have switch on accelerator pedal and special lever to mount switch under hood . If his base does not have thermactor ( round gizmo on top of snorkel it is for a manual trans and quite valuable ) . Pictured air cleaner is flat base .

Last edited by roadster; 10-12-2021 at 05:53 PM. Reason: More info
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Old 10-13-2021, 04:52 PM
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Thanks for all the feedback! I'll take a look at the seal ring plate and check out the comparison photos. I was going to pull valve covers to see if "non-dripper" style or not, plus can check the head part# & casting dates. Fun stuff.
Much appreciated!
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