Re: Great wedding; horrible start next day...
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Your starting procedure is correct. Your problem sounds like a stuck "ON" (always full rich) power valve and/or power piston. Certainly, the 10MPG and black soot in the tailpipe indicates that. Flooding at cold start with choke full on also indicates this since this would be a "double rich" condition.
Have someone who knows these carbs and knows what they are doing remove the 4GC and check/fix the power system. Craig
Posted on: 2013/11/3 17:06
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Nuke them from orbit, it's the only way to be sure! Ellen Ripley "Aliens"
Time flies like an arrow. Frui |
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Re: Great wedding; horrible start next day...
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Home away from home
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Quote:
Your starting procedure is correct. Your problem sounds like a stuck "ON" (always full rich) power valve and/or power piston. Certainly, the 10MPG and black soot in the tailpipe indicates that. Flooding at cold start with choke full on also indicates this since this would be a "double rich" condition. Aha! Very useful tips; many thanks! It seemed to me that acute flooding at what is a relatively benign temp was unusual. Have we ever achieved consensus on what road mileage should be? I tend to be gentle with the car, although around here the tollway traffic bears a marked resemblance to a nascar road circuit. 70mph is routine; more is not unusual. Coming home today was bumper to bumper at 70 in construction zones (which is the entire tollway...)
Posted on: 2013/11/3 17:48
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When two men ride the same horse, one has to be in the back...
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Re: Great wedding; horrible start next day...
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My 55 Pat gets 15-17MPG on the freeway, 12-13MPG around town (stop & go). I don't "hot rod" it, but you have to go 70-80 on the freeways around here to not be run over.
Craig
Posted on: 2013/11/3 18:02
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Nuke them from orbit, it's the only way to be sure! Ellen Ripley "Aliens"
Time flies like an arrow. Frui |
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Re: Great wedding; horrible start next day...
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with my 56,
i see if it will fire first, if it fires then you used the left over fuel, then i hit the carb,, i do this to non fuel injected engines
Posted on: 2013/11/3 21:18
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Riki
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Re: Great wedding; horrible start next day...
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I have 4 old cars.......What I have learned in starting them is crank the engine before touching the gas pedal........then...... while still cranking depress gas pedal. It's an easy fix to flooding issues until you are able to adjust the choke with confidence. Hope this helps.
Posted on: 2013/11/4 13:21
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Steve
Old cars are my passion 1951 Packard 200 1953 Packard Clipper Custom Touring Sedan 1955 Dodge Custom Royal Lancer Tri-tone 1966 Rambler Classic 770 Convertible |
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Re: Great wedding; horrible start next day...
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The technique I've worked out on my 56 Caribbean (dual quads) is that I always just lightly touch the gas pedal to reset the choke before starting EXCEPT when wanting a restart within 20 minutes or so of a shutdown after a long, hard and hot drive. In that case I just crank the starter without touching the gas - otherwise I've got to floor the gas pedal to unload the choke to get it started. With these two methods I pretty much get instant starts all the time except after long storage (14 days) when I have to crank a bit to fill the carbs.
Posted on: 2013/11/4 14:16
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Re: Great wedding; horrible start next day...
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I had a similar problem with my '56 Patrician after I had the carby rebuilt. The problem turned out to be exactly what Craig is suggesting. In my case a small hair or whisker, probably from the carby rebuilder, had lodged in the seat of the power valve which wouldn't allow it to reseat and seal properly. It was fixed simply by removing the hair. No prob's like this since and mileage has improved significantly. John
Posted on: 2013/11/5 3:47
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