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-   -   Red-Lite Misery (https://www.fordbarn.com/forum/showthread.php?t=299364)

rfitzpatrick 06-02-2021 03:47 PM

Red-Lite Misery
 

After I've done a nice run outside of town, I'm getting hesitation/stalling while waiting for lite-change, they're getting longer now. Would the Model B Zenith be worth it? This is my second Model A Zenith now, and was wondering if I should consider.
Thanks

Patrick L. 06-02-2021 04:34 PM

Re: Red-Lite Misery
 

Fix what you have. If it is the carburetor, it should be an easy fix. Its a simple carburetor. Clean it, a tag wire thru the passages followed with a can of Deep Creep spray and some air should work. Set the float level. Adjust the idle mixture and speed, set the GAV at 1/4-3/4 turn out and it should be good to go.

First make sure there is not an air leak and the ignition system is good.

nkaminar 06-02-2021 05:22 PM

Re: Red-Lite Misery
 

See http://model-a.org/default.html

GPierce 06-02-2021 06:44 PM

Re: Red-Lite Misery
 

I had that problem. Sediment in the float bowl was causing it.

Chuck Sea/Tac 06-02-2021 10:13 PM

Re: Red-Lite Misery
 

What’s the ambient temperature? It sounds the the beginnings of vapor lock. Try insulating the gas line and adding some marvel mystery oil to the gas. I ended up with an isolation spacer between the carb and manifold. I also built an aluminum deflector that not only shields the carb from the engine, but directs air from the fan. My car doesn’t “hesitate” after a run at the traffic lite anymore. If you shoot your carb in different places with a temp gun, you’ll be surprised how hot the carb gets.

shew01 06-03-2021 04:12 AM

Re: Red-Lite Misery
 

Quote:

Originally Posted by Chuck Sea/Tac (Post 2022870)
I ended up with an isolation spacer between the carb and manifold. I also built an aluminum deflector that not only shields the carb from the engine, but directs air from the fan.

Can you post a picture?


Sent from my iPhone using Tapatalk

29er 06-03-2021 01:11 PM

Re: Red-Lite Misery
 

Also, check for a short in the stoplight switch

chap52 06-04-2021 07:42 AM

Re: Red-Lite Misery
 

Gas cap vent? Chap

ronn 06-04-2021 08:07 AM

Re: Red-Lite Misery
 

I had that problem. Sediment in the float bowl was causing it.

why I put a magnet in all of my float bowls.

Chuck Sea/Tac 06-05-2021 12:18 PM

Re: Red-Lite Misery
 

1 Attachment(s)
Quote:

Originally Posted by shew01 (Post 2022895)
Can you post a picture?


Sent from my iPhone using Tapatalk

I’m not sure the pic is going to come thru

redmodelt 06-05-2021 05:37 PM

Re: Red-Lite Misery
 

Xxxxxxxxxx

Chuck Sea/Tac 06-05-2021 07:30 PM

Re: Red-Lite Misery
 

Quote:

Originally Posted by redmodelt (Post 2023636)
That is not a Model A Zenith, it is 32-24 B style carb.

What does that have to do with fuel vaporizing from heat.?

shew01 06-06-2021 08:44 AM

Re: Red-Lite Misery
 

Quote:

Originally Posted by Chuck Sea/Tac (Post 2023575)
I’m not sure the pic is going to come thru


Thanks. What did you make your spacer out of?


Sent from my iPhone using Tapatalk

Big hammer 06-06-2021 10:21 AM

Re: Red-Lite Misery
 

So after a nice long drive everything is warmed up and adjusted for cruising. I would try opening the GAV and maybe retarding the timing a little. Can you get it to die parked in your driveway? after its warmed up? I would adjust your carburetor idle speed and idle air

Chuck Sea/Tac 06-06-2021 07:05 PM

Re: Red-Lite Misery
 

Quote:

Originally Posted by shew01 (Post 2023810)
Thanks. What did you make your spacer out of?


Sent from my iPhone using Tapatalk

Tacoma bob made it for me out of a phenolic plastic of some sort.

Gene F 06-06-2021 07:22 PM

Re: Red-Lite Misery
 

That shield looks interesting. Do what ya gotta do to keep driving is what I always say. So, good for you!


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