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Please ID this on a Holley 1920
https://www.slantsix.org/forum/viewtopic.php?t=5184
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Author:  Spazus [ Mon Mar 10, 2003 8:35 pm ]
Post subject:  Please ID this on a Holley 1920

Hi,
I just got a remanufactured Holley 1920 back from the Holley factory. I noticed that there is a small hole in the base of the carb. See photo for location.

Image

Is this normal? My existing carb doesn't have this.

Thanks,

Tom

Author:  Dart270 [ Tue Mar 11, 2003 7:03 am ]
Post subject: 

Yep, many of my 1920s have it. I think it is maybe an air bleed for idle mixture?

Lou

Author:  slanted attitude [ Fri Mar 14, 2003 7:54 pm ]
Post subject: 

I wouldnt worry about, the original 1920 on my 61 Val has it. A few years ago I ordered a remaned 1920 to go on my A-100 to replace the carter that was on it and the first one came in with this hole so I made the parts guy send it back thinking that it was defective and the next one came in without the hole.Since then I have seen them both with and without the hole.Go figure.I assume that it is some kind of air bleed.

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