Choke rod on Holly NH carburetor

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Topic author
corkmodelt
Posts: 15
Joined: Thu Apr 04, 2019 11:35 am
First Name: Noel
Last Name: O'Keeffe
* REQUIRED* Type and Year of Model Ts owned: 1927 2 seater soft top
Location: Co Cork , Ireland

Choke rod on Holly NH carburetor

Post by corkmodelt » Fri Dec 23, 2022 4:52 pm

Hi Folks,

Can anybody tell me how I could stop the Choke Rod from vibrating clockwise or anti clockwise thereby changing the mixture on my 1927 Model T
Holley NH Carburettor 6200REBB item number from Langs catalogue


Norman Kling
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Location: Alpine California

Re: Choke rod on Holly NH carburetor

Post by Norman Kling » Fri Dec 23, 2022 4:56 pm

Where the swivel is connected to the top of the carburetor, there is a double edge crimp which fits the top of the jet where the needle valve enters the carburetor. Pinch those two sides closer together and it will hold the rod in place.
Norm

User avatar

DanTreace
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* REQUIRED* Type and Year of Model Ts owned: ‘12 open express,'23 cutoff, '27 touring
Location: North Central FL
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Re: Choke rod on Holly NH carburetor

Post by DanTreace » Fri Dec 23, 2022 5:06 pm

As Norm posted. Crimp the split collar around the barrel to get more resistance to prevent adjustment backing off.

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The best way is always the simplest. The attics of the world are cluttered up with complicated failures. Henry Ford
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Topic author
corkmodelt
Posts: 15
Joined: Thu Apr 04, 2019 11:35 am
First Name: Noel
Last Name: O'Keeffe
* REQUIRED* Type and Year of Model Ts owned: 1927 2 seater soft top
Location: Co Cork , Ireland

Re: Choke rod on Holly NH carburetor

Post by corkmodelt » Fri Dec 23, 2022 5:27 pm

Thanks to Norm & Dan for the very quick response. Would I be correct in thinking its the black "U" clamp that moves over the brass part of the jet. I'll try that tomorrow.

Happy Christmas, from Ireland, to you both & your families and best wishes for 2023.

Noel


speedytinc
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* REQUIRED* Type and Year of Model Ts owned: 14/15 wide track roadster. 23 touring, 27 roadster pickup, 20ish rajo touring
Location: orange, ca
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Re: Choke rod on Holly NH carburetor

Post by speedytinc » Fri Dec 23, 2022 5:30 pm

Yes. You need to remove the needle & squeeze those 2 tabs together a little.


Topic author
corkmodelt
Posts: 15
Joined: Thu Apr 04, 2019 11:35 am
First Name: Noel
Last Name: O'Keeffe
* REQUIRED* Type and Year of Model Ts owned: 1927 2 seater soft top
Location: Co Cork , Ireland

Re: Choke rod on Holly NH carburetor

Post by corkmodelt » Fri Dec 23, 2022 5:39 pm

Thanks speedytinc

Noel


rofirestone
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* REQUIRED* Type and Year of Model Ts owned: 1915 Touring--1925 Tudor
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Re: Choke rod on Holly NH carburetor

Post by rofirestone » Fri Dec 23, 2022 10:50 pm

I also put a rubber grommet in the dash.

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