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66 barracuda Carter four barrel needs starting fluid #5319440 01/11/20 09:03 AM
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VQLT Offline OP
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Quick shot of starting fluid the car fires right up. Without starting fluid I can crank and crank and crank can’t get it to start. Choke appears to be properly set Accelerator pump appears to be working but if the car sits for more than a day or two it won’t start without starting fluid

Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5319448 01/11/20 09:13 AM
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bullwinkle Offline
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Carburetor bowl leaking? Had a few Thermoquads back in the day with cracked bowls.


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Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5319483 01/11/20 09:47 AM
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mk378 Offline
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Yes it kind of sounds like all the gas is leaving the bowl while parked.

When you pump the throttle with the engine cold and not running, the choke plate should move to all the way closed and streams of gas should go into the main barrels from the accelerator pump.

Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5319486 01/11/20 09:49 AM
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Chris142 Offline
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I have had 2 afb's that did that. Never did fix them other than putting a Holley on the car.


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Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5319497 01/11/20 09:55 AM
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fraso Offline
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I've found that gasoline evaporates from my carburetor if it sits for any length of time. One thing you could do is add a solenoid-style electric pump wired into your starter circuit so that it only runs while you're cranking. See Vapor Lock.

Re: 66 barracuda Carter four barrel needs starting fluid [Re: fraso] #5319517 01/11/20 10:09 AM
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CR94 Offline
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Originally Posted by fraso
I've found that gasoline evaporates from my carburetor if it sits for any length of time. One thing you could do is add a solenoid-style electric pump wired into your starter circuit so that it only runs while you're cranking. ...
Common problem with carburetors. I installed an electric pump in the fuel line, with a momentary contact electrical switch so I could refill the carburetor before cranking. That helped a lot.


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Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5319529 01/11/20 10:19 AM
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bulwnkl Offline
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I think the auxiliary electric fuel pump is an interesting and easy idea. Still, American cars of this era didn’t require their owners to carry cans of ether with them just to operate the vehicle unless they were broken. Something is wrong with the carb.


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Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5319580 01/11/20 11:08 AM
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VQLT Offline OP
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does anyone know a carburetor repair person in So. Cal? Or is it easy to rebuild. never done it before

Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5319601 01/11/20 11:32 AM
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bullwinkle Offline
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Originally Posted by VQLT
does anyone know a carburetor repair person in So. Cal? Or is it easy to rebuild. never done it before

Honestly, with the cheap availability of aftermarket Carter carbs (Edelbrock), in both square bore & GM spread bore, I don't know why anyone would fight with an old one. Last on I put on was a 500 CFM on my brother's 283 in his Jeep, 1 year later it's still working well, they're not difficult to dial in either. Aftermarket Holleys are available too. Shame southern Cali is so far away, I always loved those old 'Cudas-I'd take it off your hands! crazy


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Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5319644 01/11/20 11:58 AM
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matching numbers original carb that’s why I want to rebuild 😀

Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5321086 01/12/20 08:03 PM
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Many years ago I had a 440 with a Holley with the choke horn milled off. Car started all the time just fine, I just had to fines it a little when it was cold. Suddenly, one winter, it would crank and not fire unless I gave it a little shot of ether. Once warm, it started fine for the rest of the day.
Once I got to a weekend, I took it inside the shop to troubleshoot it. I forget what the plugs looked like ( it was about 30 years ago) but I changed them and that was the end of the problem. Might be worth a look.

Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5321095 01/12/20 08:15 PM
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Did you ever post the type of carb and model? That would help.


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Re: 66 barracuda Carter four barrel needs starting fluid [Re: bullwinkle] #5321109 01/12/20 08:45 PM
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Originally Posted by bullwinkle
Originally Posted by VQLT
does anyone know a carburetor repair person in So. Cal? Or is it easy to rebuild. never done it before

Honestly, with the cheap availability of aftermarket Carter carbs (Edelbrock), in both square bore & GM spread bore, I don't know why anyone would fight with an old one. Last on I put on was a 500 CFM on my brother's 283 in his Jeep, 1 year later it's still working well, they're not difficult to dial in either. Aftermarket Holleys are available too. Shame southern Cali is so far away, I always loved those old 'Cudas-I'd take it off your hands! crazy
Throttle body injection kits are pretty cheap, like $1000 USD for a self-learning TBI. Why even bother with a carb at all when you can have self-tuning fuel injection for an extra $500.


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Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5321477 01/13/20 11:15 AM
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zrxkawboy Offline
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Originally Posted by VQLT
matching numbers original carb that’s why I want to rebuild 😀


In that case, you might want to send it to Scott at harmsauto.com .


"Think of all the Ford owners who will someday want an automobile." John Dodge

Re: 66 barracuda Carter four barrel needs starting fluid [Re: VQLT] #5322263 01/14/20 08:15 AM
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partspro Offline
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are you sure that your problem is 'Fuel' Starter fluid will pretty much fire by the compression. A weak spark could be your problem. After sitting for a couple of days, maybe the starter drag is dropping the voltage so that the spark is weak. Don't assume its the carb !!

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