Starting questions??
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Topic author - Posts: 154
- Joined: Wed Jan 09, 2019 4:52 pm
- First Name: Larry
- Last Name: Rutt
- * REQUIRED* Type and Year of Model Ts owned: 1926 fordor
- Location: Ephrata pa
Starting questions??
So trying to start my 26 fordor with a holley vaporizer.. it will fire for 3 seconds and shut off.i crank until it seems I am going to have a heart attack. Then after 15 to 30 minutes of this it will stay running. I have no idea why it will stay running other than maybe it gets warm enough to run. I turn the gas open 1 turn or 2 turns doesn't make difference..I think it seems to run out of gas but maybe flooded I dont know. To prime the motor I pull the choke and crank it 4 or 5 complete turns. I know the vaporizer is fussy about gas level in the bowl, I think I have that right. any thoughts or suggestions would be appreciated
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- Joined: Mon Jan 07, 2019 12:08 pm
- First Name: Hal
- Last Name: Davis
- * REQUIRED* Type and Year of Model Ts owned: '22 TT Stake Bed, '18 Touring (Hers)
- Location: SE Georgia
- Board Member Since: 2005
Re: Starting questions??
Firing up and running out the prime and quitting is a classic symptom of lean mixture. I'm not real familiar with vaporizers, but seeing no difference between 1 and 2 turns open is a red flag to me. Something is going on, be it float level or restricted fuel flow, manifold leak, or something else. Hopefully, some one else will have more.
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- Posts: 702
- Joined: Sun Jan 06, 2019 2:01 pm
- First Name: Michael
- Last Name: Pawelek
- * REQUIRED* Type and Year of Model Ts owned: 1919 Touring, 1925 Coupe
- Location: Brookshire, Texas
- Board Member Since: 1999
Re: Starting questions??
Are you pulling the gas lever down 1/2” to 1” when cranking? Most T’s I have had do not start cold with the gas lever in the “idle” or up position......
Also, Vaporizer carburetors are real finicky about air leaks especially around the heater plate and the air tube. Those areas need to be sealed from pulling in outside air which creates a lean mixture.
Also, Vaporizer carburetors are real finicky about air leaks especially around the heater plate and the air tube. Those areas need to be sealed from pulling in outside air which creates a lean mixture.
Last edited by MichaelPawelek on Tue Feb 19, 2019 9:02 am, edited 2 times in total.
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- First Name: Val
- Last Name: Soupios
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- Location: Jupiter Florida
Re: Starting questions??
Next time you try to start pull the choke out a bit, not all the way, and hold it there once the car starts and see if the car keeps running. If it does you know you are too lean. My '27 did that. Float level was too low. I eventually switched to an NH as I like to hand crank and the vaporizer was hard to start on the crank without spinning it even after I raised the float level. For some reason it would start right up using the starter but either way I had to give it partial choke for a minute or so to keep it running. When using the starter I would crank it over with full choke for a few revolutions then let the choke rod back so it was still half way out. The car would start right up and I would hold the choke rod out that way, advance the spark, and let the choke rod go as soon as the engine smoothed out. I went though 3 vaporizer carburetors before switching to the NH and each one had it's own quirks. I know some people swear by them but I think more people swear at them.
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- Joined: Tue Jan 08, 2019 7:31 pm
- First Name: Dan
- Last Name: Hatch
- Location: Alabama
- MTFCA Number: 49974
Re: Starting questions??
This may have nothing to do with it, but be sure you have the right drain valve body. Part # 6291 on the vaporizer is not the same as the NH. Dan
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Topic author - Posts: 154
- Joined: Wed Jan 09, 2019 4:52 pm
- First Name: Larry
- Last Name: Rutt
- * REQUIRED* Type and Year of Model Ts owned: 1926 fordor
- Location: Ephrata pa
Re: Starting questions??
Ok thanks that gives me some things to check.. how do I check for an air leak around the heat plate ? And how would I seal a leak around the heat plate ?
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Re: Starting questions??
Once you get it started and it will idle, you can shoot a little carb cleaner or propane from a torch around the intake and see if and where the idle changes.Larry e rutt wrote: ↑Tue Feb 19, 2019 3:01 pmOk thanks that gives me some things to check.. how do I check for an air leak around the heat plate ? And how would I seal a leak around the heat plate ?
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Topic author - Posts: 154
- Joined: Wed Jan 09, 2019 4:52 pm
- First Name: Larry
- Last Name: Rutt
- * REQUIRED* Type and Year of Model Ts owned: 1926 fordor
- Location: Ephrata pa
Re: Starting questions??
Ok thanks much