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Old 03-25-2020, 11:49 PM
DEUCE DEUCE is offline
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Default Four port smog canister

I have a four port smog canister and I am wondering what the application and value of this piece is. I was told it's for a 70 Camaro or Chevelle. Just looking for some direction. Thanks in advance for any info.
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Old 03-26-2020, 12:21 AM
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I don't think that's for a 70 as 1970 models with the NA9 California Emissions’ Evaporation Control System had 3 ports, (See Photo)
Might be later like 1971 or 1972 so value may be low IMO
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Old 03-26-2020, 12:32 AM
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NOS over the counter one with 4 Ports
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Old 03-26-2020, 04:26 PM
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I believe 1970 Camaro's with Holley carbs (Z28, L78) and NA9 California emissions got the 4 port. All others got 3 ports.

A little hard to see the top in this photo, but you can see the 4 hoses going to it:

http://musclecarrestorationanddesign...01_300/229.jpg

Thanks to Rick Nelson for the photo.

If you are interested in selling I may know of someone.
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Old 03-26-2020, 04:36 PM
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Actually my bad,
Re checked my files and it looks like the solid lifter motors with a Holley carb had a 4 port system while the Q-Jet carb got the 3 port system. Sorry about that.
Photo is from a 1970 Magazine of a LS6 Road test.
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Old 03-26-2020, 04:43 PM
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So for Value I am going to say $60 to $100 for a used one like yours IMO
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Old 03-26-2020, 04:57 PM
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From the assembly manual.
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Old 03-26-2020, 05:22 PM
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Unique Radiator plate label
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Old 03-28-2020, 05:15 PM
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There should be a DATE - in Julian format on "melted" into the top of the can somewhere- like this.
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