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1968 coupe, 1968 vert, 1966 coupe
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Discussion Starter #1
Hey guys what air cleaner should be on my 1966 straight 6 the car didn’t come with one when I bought it.
 

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1967 Mustang coupe
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182 Posts
You need to see if you have a 170 or 200 ci engine. Should be 200, but there was plenty of engine swaps over the years. Also check if you have the stock carb. Here's a pic when i removed mine. Autolite 1100.
753951


Here's the filter in place
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Here's the filter flipped over.
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Lots more info on our engines on fordsix.com
 

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1968 coupe, 1968 vert, 1966 coupe
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762 Posts
Discussion Starter #4
So how come both air cleaners are different and how do I know which I should have?
 

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Mine is identical to 66conv6, except chrome due to being a Sprint model. This is the correct style for a `66. They reproduce this air cleaner assembly. Dean
 
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Hey guys what air cleaner should be on my 1966 straight 6 the car didn’t come with one when I bought it.
Is your car a CA car? Look at the DSO on the Warranty Tag. CA had stricter emissions than the other 49 states (or is it the other 56 states?) and the cars sold in CA had the smog pump system that injected air into the exhaust ports. I'm pretty sure it used a different air cleaner. I know that member "josep" has a '66 CA 6 cylinder that has the smog system on it.
 

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That "different" smog air cleaner is mine. In the above photo.
 

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1968 coupe, 1968 vert, 1966 coupe
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Discussion Starter #10
The warranty tag is not there so we’re in good luck that I’m not going for concours just period correct so I’ll be going with the one 66conv6 has
 

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1968 coupe, 1968 vert, 1966 coupe
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Discussion Starter #11
Just wanted to see because I saw so many different ones at NPD and non specify if they’re for the L6
 

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The California cars had the short 90° degree nipple on the passenger side of the air cleaner like 66conv6 ( & my Sprint 200 ). Mine is a San Jose built & Los Angeles DSO`d hardtop. Luckily all the smog equipment was removed before I purchased it. I did remove the nipple & plugged the hole with a chrome metal plug. Looks better to me this way. Dean
754006
 
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The typical 1966 200 air cleaner was the one with the "snorkle" tube inlet. Only cars with a "closed crankcase" system had the small hose connection. That would be 65 California, and 66 all with Thermactor.

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Late 66, and 67, had air cleaners with no snorkle. The air inlet on those was a slot all the way around between the lid and base.
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You can also get one that looks like the 289HP air cleaner. Looks good, and less than half the price of the stock version.
754011
 

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The typical 1966 200 air cleaner was the one with the "snorkle" tube inlet. Only cars with a "closed crankcase" system had the small hose connection. That would be 65 California, and 66 all with Thermactor.

View attachment 754007
Late 66, and 67, had air cleaners with no snorkle. The air inlet on those was a slot all the way around between the lid and base.
View attachment 754010


You can also get one that looks like the 289HP air cleaner. Looks good, and less than half the price of the stock version.
View attachment 754011
What’s the diameter of that?
 
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