Carburetor spray and choke rods

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johnernst
Posts: 40
Joined: Sat Aug 21, 2021 7:09 pm
First Name: John
Last Name: Ernst
* REQUIRED* Type and Year of Model Ts owned: 1922 Canadian Touring
Location: Edmonton Alberta

Carburetor spray and choke rods

Post by johnernst » Thu Apr 27, 2023 3:27 pm

My recent purchase of a 1927 Model TT truck. I have a few questions about the carburetor choke and spray needle. From what I can see it has the later version Holly NH carburetor that has the drain centred on the bowl (T6202) rather than offset drain like the earlier ones, however the spray needle is the 1920-1926 style (T6213). Is there any advantage to changing the spray needle to a swivel/u-joint style?

i also need a new choke rod and I will probably be getting the 32" (T4129-B) choke rod that runs from the carburetor directly to the dash as this model didnt have the priming bell crank.
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ModelT46
Posts: 1627
Joined: Sun Jan 06, 2019 8:35 pm
First Name: Darel
Last Name: Leipold
* REQUIRED* Type and Year of Model Ts owned: 1910 touring
Location: Excelsior MN
Board Member Since: 1999

Re: Carburetor spray and choke rods

Post by ModelT46 » Thu Apr 27, 2023 4:31 pm

The 1927 TT trucks were really 1925 TT trucks - at least for the body style. It may be that the carb set up is correct for your truck.


Topic author
johnernst
Posts: 40
Joined: Sat Aug 21, 2021 7:09 pm
First Name: John
Last Name: Ernst
* REQUIRED* Type and Year of Model Ts owned: 1922 Canadian Touring
Location: Edmonton Alberta

Re: Carburetor spray and choke rods

Post by johnernst » Thu Apr 27, 2023 8:41 pm

Ill just upgrade the choke wire from the coat hanger wire version. LOL
John


Norman Kling
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Last Name: Kling
Location: Alpine California

Re: Carburetor spray and choke rods

Post by Norman Kling » Thu Apr 27, 2023 9:26 pm

I think you would have a problem changing. The style you have works fine with the fire wall you have. You have a 26- 27 type coil box which had been moved to put the gas tank behind the firewall, but you still have the old style firewall. So if it works don't change it.
Norm

User avatar

Humblej
Posts: 1957
Joined: Sun Jan 06, 2019 12:23 pm
First Name: Jeff
Last Name: Humble
* REQUIRED* Type and Year of Model Ts owned: 1926 Canadian coupe, 1924 TT C-cab, 1924 runabout
Location: Charlevoix, Mi
Board Member Since: 2006

Re: Carburetor spray and choke rods

Post by Humblej » Fri Apr 28, 2023 7:46 am

Need to see your dash panel, but if your firewall and dash are configured for the combination choke/mixture rod I recommend it, if not, I agree with others to leave what you have alone. You have a lot of mixing and modifications as it stands, and you might want to be cautious opening cans of worms. Of course over time it may be best to put it all back to factory configuration.

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