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-   1961 - 1966 F-100 & Larger F-Series Trucks (https://www.ford-trucks.com/forums/forum40/)
-   -   Correct starting procedure inline 6 (https://www.ford-trucks.com/forums/966645-correct-starting-procedure-inline-6-a.html)

jazzmaffy 06-17-2010 04:49 PM

Correct starting procedure inline 6
 
I hate to sound like a dope but here goes. Can someone tell me how I should be starting my 65 inline 6. The reason I ask is because when I pull the choke out to full, pump it a couple times,fires right up. Then when I try to start to ease the choke in it feels like it's pushing back. Is the choke on this manual in the sense that I'm supposed to close it a little at time till it will run with no choke? It almost feels like it wants to do it's own thing. I did notice a spring and damper type device on the exaust manifold is this related to the operation of this choke ? I have not been able to get it to idle off choke. I have to feather the gas pedal to keep it running. So I'm wondering if I'm supposed to pull the choke to full open start the engine and then leave it alone. Like I said I feel kind of stupid. Any help please. BTW it's a manual three on the tree

63' f100 06-17-2010 05:45 PM

I'd recommend rebuilding the carburetor. Mine always starts without the choke, but its a 292. I do remember one day it was kinda cold out and it wouldn't start and unless i put the choke on and then started it and gave it way more throttle that it should have needed, but it was an ignition problem that i have since fixed. It wasn't firing on all cylinders and an ignition tune up took care of that.

If you haven't rebuilt the carb you should, its old and new gaskets and parts wouldn't hurt anything. Mine used to die after a minute if you didn't rev it up a little every now and then, but now it will idle all day long now that i rebuilt the carburetor.

overlandexpress 06-17-2010 05:53 PM

My choke slips in and out pretty easy on my 66 with a 300 six cyl. Your choke cable may need to be lubricated. I have been doing some research on the 1bbl carbs and am getting the impression that none of them were ever really good, alot of people state they have flat spots and a big hesitiation accelerating from a stopped position which is what I am experiancing now, seems like the accelerator pump on the carb is not working. also dont be suprised if your throttle cable breaks in the near future as thats what might be causing your issue, mine broke and was acting like yours just before it let go, don't even look for a stock replacement as they are no longer available, I switched to the LOKAR cable which was an easy retro fit and works GREAT. Here is a picture of it. Good luck.
http://i292.photobucket.com/albums/m...s/IMG_1316.jpg

292fan 06-17-2010 07:42 PM

Hi, my '60 with the 223 I had the same problem. Come to find out i had the sheath of the choke cable too far away from the end of the center cable when the choke was pulled closed. I readjusted everything so there was about 1/4 inch gap between the sheath and the choke cam when the choke is fully pulled closed. Everything was too far apart and binding up. Works good now.

camperspecial65 06-18-2010 03:20 AM

For starters, make sure the idle speed isnt set too low...
On mine, I pull it full out(max choke) once it lights off as it warms up push the choke in till its fully off...Fords are notoriously cold blooded...once they are warm though there shouldnt be any problem assuming everything is set to spec(idle, timing, etc.)
BTW...your question is a good one as not everyone is familiar with how older rigs work in all areas...especially since todays modern cars and trucks are pretty much start and go...




- cs65

jazzmaffy 06-18-2010 08:26 AM

Thanks for the help guys, I will have to look over the things you all describe. I'm sure the carb could use a rebuild. I'm not sure I'm up to the task. I'll ask a friend if he can help in that regard. It seems to run well and very smooth just not at idle. It starts in a snap no strange noises no smoke. Wish I knew more about it. I guess I'm going to learn. Has anyone ever used one of the rebuilts from auto z*ne. I think it has an eletric choke though so, is it useable on my truck?

BarnieTrk 06-18-2010 10:22 AM


Originally Posted by jazzmaffy (Post 9013106)
I hate to sound like a dope but here goes. Can someone tell me how I should be starting my 65 inline 6. The reason I ask is because when I pull the choke out to full, pump it a couple times,fires right up. Then when I try to start to ease the choke in it feels like it's pushing back. Is the choke on this manual in the sense that I'm supposed to close it a little at time till it will run with no choke?

Yes, that is typical, according to my experience. Depending on how long it has sat since last run, how warm the outside temps are, etc. I slowly push the choke in a little a time as the engine "says" its ready to run without it. Usually within a minute (in the summer) and within two minutes (in the winter) I'd be able to push the choke completely in without the engine complaining.

It almost feels like it wants to do it's own thing. I did notice a spring and damper type device on the exaust manifold is this related to the operation of this choke?

Yes, that device is not part of the choke mechanism, but is designed to assist the engine to warm up. Originally, that device has a spring on it that expands and opens an internal flapper in the exhaust stream. Many have rusted to the point where it doesn't move any longer. Many folks simply remove the device and run without it.


I have not been able to get it to idle off choke. I have to feather the gas pedal to keep it running. So I'm wondering if I'm supposed to pull the choke to full open start the engine and then leave it alone.

You should be able to push the choke all the way in (opening it) and the engine should run without any choke within one to two minutes of idling. If you have to leave the choke partially closed, then it sounds like the carb isn't allowing enough fuel in and is ready for - at a minimum - a good spray down of carb cleaner, or more serious cleaning which would involve removal, dis-assembly and soaking in carb cleaner, followed by rebuilding it with a carb rebuild kit (new gaskets and minor parts) and re-adjustment.

If you haven't changed the fuel filter lately, that is where I'd start. If/when you know the fuel filter is good, then pick up a spray can of carb cleaner. With the engine warmed up (running for at least 5 minutes), get a helper to hold the idle at a fast idle (2000-2500rpms) while you I'd spray some carb cleaner down the carb throat (inside) and all over the outside of the carb. Once the outside of the carb was cleaned up, then spray the remainder of the can contents down the carb throat until it stalls start with a engine. Then turn the key off, and let it sit. Wait 10 minutes then restart the engine. Rev it up some and run it until it will idle smoothly again. If the above procedure doesn't cure the "keep the choke in to run" issue, then I'd plan on a carb rebuild.

Regarding going the AZone rebuild direction: Don't be intimidated by the task of a carb rebuild. They AREN'T that complicated - besides, what can you hurt - it already isn't running correctly? I'd suggest if the spray doesn't do the trick, then you should give the rebuild task a go, consider it an opportunity to 'bond' with your ol' beast !

Ahhhh, yes,,,,, the joys of owning a 40+ year old gasoline-powered vehicle!

BarnieTrk :-X22

jazzmaffy 06-18-2010 03:33 PM

BarnieTrk, Thank you for taking the time to write such a thorough answer. I have just replaced the fuel pump/filter, and rubber hoses. I have also tried the carb cleaner so I guess I know what I need to do. Thank you all again! Jazz

BarnieTrk 06-18-2010 09:16 PM

Good. I'm happy you're going for it.
Know that if you get into a pickle, or confused about it, post your concern here and I'm sure someone here will be able to "walk you around the potholes".

Keep us posted with how it goes for you.
There are some that aren't as brave as you and need to hear about your experience and successful rebuild.

BarnieTrk :-X22

flipklos 06-18-2010 11:24 PM

The carter YFA that most of us have on our 240s and 300s is kinda a mixed blessing. This carb always seems to work no mater how worn out or junky it is. Though they never ever seem to run right at all.

I have this on my 85 F150 and I have it set up with a manual choke. I need to use a small amount of choke to get it started if it is 50f or colder out. Though it starts fine at -35F in january on the first try. The thing is you need to warm up the engine a bit before the carb can properly vaporize the fuel. So using the choke as a starting tool is ok. It is why they designed it.

I do belive your cable is binding in the liner. A good shot of WD40 will improve the issue significantly for a few weeks. I just squirt some on both ends and pull it in and out a few times. A more permanant solution would be to pull the cable out and lube it up with some grease. That will last a few years. Also try taping the accelerator while pushing the choke in as sometimes the fast idle cam binds up a bit. I honestly think you just have an old truck that has its knack that you have to learn. I can start my trucks on -35F days in one or two cranks. The wife has trouble in july as she dont know the correct pumps or pulls of the various cables. Find what it needs and run with it.


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