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07-31-2017, 07:18 AM | #1 |
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Join Date: Jul 2016
Location: Chattanooga, TN
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use of the choke
While I'm still learning the A, I've noticed the choke knob will both turn and I can pull on it. what is the correct way to use the choke?
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07-31-2017, 07:42 AM | #2 |
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Re: use of the choke
Turning the choke knob will make the carb gas mixture richer, turning to the left. To the right leaner.
Start by lightly turning knob to the right until it stops. Do not turn until tight. Now turn knob to the left one full turn. Pull choke out and hold. Hit starter button. As soon as engine starts release choke. Turn knob back to the right to half or quarter open. Be careful with choke, you do not want to suck raw gas into engine. When I shut car off I gently turn knob to the right until it stops. This will help with dripping gas at carb. Enjoy your car. |
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07-31-2017, 09:21 AM | #3 |
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Re: use of the choke
The choke rod is called the GAV [ gas adjusting valve].
Normal warm engine it should be [ if Zenith carb] about 1/4 turn out from lightly seated. Another 1/2 to 1 turn out for a cold weather start. Spark lever should full up for any start. Pull throttle lever down a few clicks. Pull rod out and hold then press start button. Release choke rod after about 1 to 2 engine revolutions and engine should start. Too much choke and the engine may flood. It that happens, open/no choke, lower/increase throttle lever and then start engine. Once engine starts, pull spark lever down 1/2 to 3/4 travel and raise throttle lever. |
07-31-2017, 10:04 AM | #4 |
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Join Date: Jul 2016
Location: Chattanooga, TN
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Re: use of the choke
thanks for the tips guys. I'm used to using a choke on old motorcycles but those are pretty simple, thos one had me a little confused.
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07-31-2017, 08:52 PM | #5 |
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Re: use of the choke
You got it!
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07-31-2017, 09:28 PM | #6 |
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Re: use of the choke
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07-31-2017, 11:28 PM | #7 | |
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Location: Walla Walla, WA
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Re: use of the choke
Quote:
The owner's manual not only explains the GAV, but also has information on all the lube points and lube schedule (500, 1000, 2000 miles, etc) and other things. |
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08-01-2017, 01:10 AM | #8 | |
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Re: use of the choke
Quote:
Here is an online one for 1931, http://www.motormayhem.net/wp-upload...ion-Manual.pdf
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08-01-2017, 07:41 AM | #9 |
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Join Date: Jul 2016
Location: Chattanooga, TN
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Re: use of the choke
Good call!
I've ordered the Les Andrews Model A Ford Mechanics handbook. It should be in today or tomorrow. I've heard you guy talk about all the great information contained within it's pages, so it seemed like a worth while investment. I will order the Owners Manual for the '29 as soon as I can. Thank you again for all the help |
08-01-2017, 10:28 AM | #10 |
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Re: use of the choke
Sorry to hijack the post but do any of you guys have to use the choke every time you start your car? I do even if it is warm.
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08-01-2017, 10:41 AM | #11 |
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Re: use of the choke
once its warmed up for the day you shouldnt unless its winter... sounds like you have a poor vacuum
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08-01-2017, 10:42 AM | #12 |
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Re: use of the choke
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08-01-2017, 12:03 PM | #13 |
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Re: use of the choke
all of the 4 As I have only need the choke for the first start in the summer, in the winter depending how long it sits after turning off and how cold it is it may need a bit of choke. Summer or winter I pull the choke out for about a revolution or two, then push it in and it starts. Happy motoring..
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08-01-2017, 12:06 PM | #14 |
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Re: use of the choke
I sometime need a little choke when warm. Depends on how long car has been sitting.
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08-01-2017, 12:41 PM | #15 |
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Re: use of the choke
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08-01-2017, 12:47 PM | #16 |
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Location: St Clair, Michigan
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Re: use of the choke
Yeah I think I am getting a leak through my head gasket because I am seeing some seeping and still trying to tune the carb. But thank you.
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Isaiah B. 1928 all metal Tudor |
08-01-2017, 01:14 PM | #17 |
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Re: use of the choke
Our 29 Sport Coupe has had a valve job but never rebuilt.
Was stored from 1945 until 1979 when we purchased it. 3,700 miles since than. Restored in 1981. Runs and drives great. We are third owner. If you have a good one, take care of it. |
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