Startup and drive off
Thread Starter
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Mountain Pass
Joined: Nov 2019
Posts: 139
Likes: 12
From: California
Startup and drive off
Ford Ranger F100 1978 302 c6. When starting up I have to keep foot on gas otherwise truck will not stay on I have to keep accelerated until slightly warm then it'll stay on on its own. When warm and I'm taking off I tried to go fast but it feels like it's going to turn off Its stalls of some sort and once it gets past that then I'm able to drive off. Can't figure it out thanksin advance
Thread Starter
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Mountain Pass
Joined: Nov 2019
Posts: 139
Likes: 12
From: California
it's a electric choke, I never adjusted a carb before its a 8 month old holley. Any pointers on adjustment
FTE Legend
Joined: Nov 2015
Posts: 30,917
Likes: 4,123
From: Angier, NC
Every carb out of the box needs adjusting / tuning.
In your case it dose sound like the choke needs to be adjusted.
There should be a black cap on the side of the carb.
It should be marked "<rich lean>"
If the cap is not marked on the top edge, cap & carb body, mark both so you know where it starts at before adjusting.
Just loosen the 3 screws and turn it to rich just a little and tighten the screws back down.
You need to adjust it a little at a time till it works right.
There is also a fast idle speed that may need adjusting.
This is different than the idle speed
Now once up to temp and the idle speed set you need to adjust the idle mixing screws.
You will need a tach (to set idle speed and mix)) or a vacuum gauge (mix)
The screws are on the side of the carb and you adjust each one a little at a time in or out to get the fastest idle speed or the highest vacuum reading.
You may need to readjust the idle speed when done.
Give that a try
Dave ----
In your case it dose sound like the choke needs to be adjusted.
There should be a black cap on the side of the carb.
It should be marked "<rich lean>"
If the cap is not marked on the top edge, cap & carb body, mark both so you know where it starts at before adjusting.
Just loosen the 3 screws and turn it to rich just a little and tighten the screws back down.
You need to adjust it a little at a time till it works right.
There is also a fast idle speed that may need adjusting.
This is different than the idle speed
Now once up to temp and the idle speed set you need to adjust the idle mixing screws.
You will need a tach (to set idle speed and mix)) or a vacuum gauge (mix)
The screws are on the side of the carb and you adjust each one a little at a time in or out to get the fastest idle speed or the highest vacuum reading.
You may need to readjust the idle speed when done.
Give that a try
Dave ----
Thread Starter
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Mountain Pass
Joined: Nov 2019
Posts: 139
Likes: 12
From: California
Check these out.
If you don't have a Holley, google your specific carb.
https://www.youtube.com/watch?v=_Z7jBPdYhAc
https://www.youtube.com/watch?v=4BTiXcMHdXM
If you don't have a Holley, google your specific carb.
https://www.youtube.com/watch?v=_Z7jBPdYhAc
https://www.youtube.com/watch?v=4BTiXcMHdXM
Hotshot
Joined: Feb 2004
Posts: 10,808
Likes: 2,604
From: The Shenandoah Valley
I like my manual chokes on my carburetors, be they trucks, tractors, motorcycles, tiller, snow blower, generators, or my McCulloch. All my cars are now some type of electronic fuel injection, but except for my early pre '89 police cars, my cars that had carburetors got converted to manual chokes pretty soon after my acquiring them.
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Mountain Pass
Joined: Nov 2019
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From: California
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FTE Legend
Joined: Nov 2015
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From: Angier, NC
First thanks for getting back to let us know what the fix was but ...
How was that?
What was the sign that pointed to the coil?
Was it the wires hooked to it that had a bad connection and new fixed that?
What else was done when you did the coil?
Dave ----
How was that?
What was the sign that pointed to the coil?
Was it the wires hooked to it that had a bad connection and new fixed that?
What else was done when you did the coil?
Dave ----
Thread Starter
|
Mountain Pass
Joined: Nov 2019
Posts: 139
Likes: 12
From: California
well it was not my ignition coil it was my electric choke. It was pulling too much power and was closing fully . Now after i stopped the power works fine wònt stall after a stop this was something unexpected I had bought a distributor for it I'm glad I got a second set of eyes to look at it
Cargo Master
Joined: Sep 2013
Posts: 3,259
Likes: 1,321
From: Pryor, OK
Every carb out of the box needs adjusting / tuning.
In your case it dose sound like the choke needs to be adjusted.
There should be a black cap on the side of the carb.
It should be marked "<rich lean>"
If the cap is not marked on the top edge, cap & carb body, mark both so you know where it starts at before adjusting.
Just loosen the 3 screws and turn it to rich just a little and tighten the screws back down.
You need to adjust it a little at a time till it works right.
There is also a fast idle speed that may need adjusting.
This is different than the idle speed
Now once up to temp and the idle speed set you need to adjust the idle mixing screws.
You will need a tach (to set idle speed and mix)) or a vacuum gauge (mix)
The screws are on the side of the carb and you adjust each one a little at a time in or out to get the fastest idle speed or the highest vacuum reading.
You may need to readjust the idle speed when done.
Give that a try
Dave ----
In your case it dose sound like the choke needs to be adjusted.
There should be a black cap on the side of the carb.
It should be marked "<rich lean>"
If the cap is not marked on the top edge, cap & carb body, mark both so you know where it starts at before adjusting.
Just loosen the 3 screws and turn it to rich just a little and tighten the screws back down.
You need to adjust it a little at a time till it works right.
There is also a fast idle speed that may need adjusting.
This is different than the idle speed
Now once up to temp and the idle speed set you need to adjust the idle mixing screws.
You will need a tach (to set idle speed and mix)) or a vacuum gauge (mix)
The screws are on the side of the carb and you adjust each one a little at a time in or out to get the fastest idle speed or the highest vacuum reading.
You may need to readjust the idle speed when done.
Give that a try
Dave ----
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