Mixture rod's

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Model T Ford Forum: Forum 2016: Mixture rod's
Top of pagePrevious messageNext messageBottom of page Link to this message  By thomas elliott nw pa on Sunday, November 13, 2016 - 07:48 pm:

A few days ago there is a posting on mixture rods that got me thinking, I bought a new one for my '25 coupe but I don't like that it is so short (is short of the dash) not but does fit, fire wall to carb, . The thing I'm looking at is there are three slotted holes, appear to be factory, in the firewall, could the one that will not be used, be for the '26-'27 type mixture-choke, rod? My choke is right and works just fine. Could a '25 ever have had the '26-'27 type rod from the factory?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Peter Claverie, Memphis TN on Sunday, November 13, 2016 - 08:06 pm:

1925 was a changeover year for the carb control.

At the beginning of the year the older style was used, where there were entirely separate choke rod and mixture control rod. The choke rod went through a hole in the dash, with a round knob that you pulled. The mixture was adjusted by a rod (wire, really) that came up through the firewall at a much steeper angle and ended behind the dash with a loop in it that you turned.

The later style, which was developed for the "improved" Model T (1926 & 27)but was on many '25 cars, used a single rod that went through the hole in the dash and had a round knob with a "flag" or "teat" on it. You pulled it to choke, and turned it to adjust the mixture.

It sounds like you bought a new one and got a wrong one for your car.

I had a '25 Touring with the "new" type, and now have a '23 with the "old" type, which is how I happen to know.

By the way, the carb was the same. The difference was in the way the rod(s) connected to the carb. I'm not sure whether changing a car from one to the other is feasible, but it might be.


Top of pagePrevious messageNext messageBottom of page Link to this message  By thomas elliott nw pa on Sunday, November 13, 2016 - 09:03 pm:

Thank you Peter,that is as I thought might be, I'm going to go ahead and get the combination rod for the later 26-27's, I though I had a picture of the fire wall but it isn't clear enough to show the extra hole.


Top of pagePrevious messageNext messageBottom of page Link to this message  By HARRY A DAW Troy, Mo. on Sunday, November 13, 2016 - 09:50 pm:

My 11 with a four ball carb has a single control that both adjusts the mixture and operates the chock. It is a combination of a couple of controls into one. Works nice.


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