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Steve Jelf
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Encyclopedia errors

Post by Steve Jelf » Thu Aug 11, 2022 1:16 am

It's not just the spelling. The photo sure looks like G to me.

Screen Shot 2022-08-11 at 12.10.33 AM.png
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Re: Encyclopedia errors

Post by TRDxB2 » Thu Aug 11, 2022 2:50 am

Me thinks its looks more like a Hilley H-1 :lol:
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Re: Encyclopedia errors

Post by Wayne Sheldon » Thu Aug 11, 2022 4:11 am

I sure would like a really good reference with good pictures of the changes and variations of carburetors for model T Fords. Especially for the years between mid 1912 and 1919. Every time I think I am getting a handle on it? Something else comes along and tells me what I just read was wrong?
Holley Gs with the roughly smooth choking throat and the ones with the rims and rings and heat pipe connections? When were which used? Nothing I have seen adds up to making sense. Seems like they came and went and came back again?
For my 1913 and my 1915, I worked over a couple Holley Gs and a "Pat. Pending" Kingston "L" series. Right or wrong I will just use whichever strikes me at the time I install them (one of the Holley Gs is on the 1913).

Bruce's black book has model numbers for the various years, and pictures of some models. But I don't recall anything like what I would like to see pinning down what was used when.

I do notice on the pictures copied above? That the mixture adjustment is the bar with two holes in it, not the round disc with two holes. Not sure when that started, but it was after 1912.


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Re: Encyclopedia errors

Post by Rich P. Bingham » Thu Aug 11, 2022 9:16 am

Now I'm really confused. I had always thought the "G" first appeared in 1914. ?!?
As for the bar vs. disk on the mixture needle, I'm under the general Impression the disc probably survived through 1916, perhaps even a little later.
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Re: Encyclopedia errors

Post by CudaMan » Thu Aug 11, 2022 9:19 am

Doesn't the cover plate on the carb in the picture have three screws? :)
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Re: Encyclopedia errors

Post by Been Here Before » Thu Aug 11, 2022 9:29 am

The reference books available suggest the "G" was used from 1914 to 1920.

The reason given for the "upgrade" was the quality of gasoline available. Prior to 1914 gasoline was "purer" in the way it was distilled, therefore it was a lighter product.

Around 1913-1914 gasoline became heavier and did not mix well when being vaporized. Hence the change in the design from the "H" to the "G".

To improve the performance of the older, pre-1914, Model T it was suggested either to modify the interior of the "H" or replace it with a "G".


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Re: Encyclopedia errors

Post by John kuehn » Thu Aug 11, 2022 9:34 am

Looks to me the top cover plate has 3 screws. But is the reference to something else on the carb?
Maybe somebody has a G looking carb that that has Holly on it? Carburetor collectors may have one. If Stan Howe was still around he probably would know.


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Re: Encyclopedia errors

Post by ThreePedalTapDancer » Thu Aug 11, 2022 10:48 am

EFA7A3CC-BE1C-4B15-822B-D1A7FED45676.jpeg

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Re: Encyclopedia errors

Post by TRDxB2 » Thu Aug 11, 2022 11:57 am

Perhaps its neither a H or G
Ed's pictures are of a H - he hadn't added text
hilley or.png
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Holley H - G.jpg
Holley H - G.jpg (94.14 KiB) Viewed 1234 times
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Re: Encyclopedia errors

Post by Rich P. Bingham » Thu Aug 11, 2022 12:24 pm

I think we're getting somewhere now !
There was a Holley S on my ''13 when I got it, reportedly "year model correct".
I had thought the "G" appeared on production cars in 1914. ??
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Re: Encyclopedia errors

Post by Steve Jelf » Thu Aug 11, 2022 12:42 pm

Gail Rodda's Volume I has ten pages of carburetor photos and information, from 1909 to the end of Model T production. They are nearly all from Russ Potter's collection. It may not show every carb used in Model T production, but I expect it includes almost all.

I've never seen the introduction of the G dated to 1917 before. McCalley and Rodda both say 1914, and I believe I've seen it in other references too.
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Re: Encyclopedia errors

Post by TRDxB2 » Thu Aug 11, 2022 12:42 pm

Think this is the answer from the Encyclopedia (and MTFCA)- had to dig Note the Holley G had 3 different ways it was constructed

So the initial picture of the Holley H-1 in the discussion appears to be a Holley G 1915 versions with the groove


Holley 1912
Holley 1912.png
--
Holley S aka 2 screw Holley
Holley 2 screw op 1.png
Holley 2 screw op 1.png (331.07 KiB) Viewed 1204 times
Model S.jpg
--
Holley H Stan Howe picture
Holley H image 3.jpg
Holley H image 3.jpg (86.75 KiB) Viewed 1204 times
--
--
Holley G NOTE 3 versions
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Holley G versions.png
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Re: Encyclopedia errors

Post by Rich P. Bingham » Thu Aug 11, 2022 1:29 pm

Bery helpful information. Thanks to all who posted !
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