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09-18-2018, 02:46 PM | #1 |
Senior Member
Join Date: May 2011
Location: New Berlin,Wi
Posts: 228
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1935 Ford coupe driveabilty problem
Hello fellow Barners
I need some suggestions on what could be causing a problem with my coupe,only under load. If you drive very easy and slow it's fine but as soon as you load or give it some rpm the engine it starts to run very rough and shake and surges and feels like it's missing, but it's only under load. If it's in neutral and revved up it's fine. The car is a original paint survivor that for the most part has always ran and drove fairly nice. The condition of the engine is unknown, as I said it's always ran fine but it is tired. This is a new problem the car used to run decent. I rebuild the carb and fuel pump with parts from Charlie and the condition is still there. The distributer was rebuilt years ago and I have not looked into that yet. I will say it's always started ok when cold but is pretty dam stubborn when it's warm. Any thoughts would be appreciated. |
09-18-2018, 03:42 PM | #2 |
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Join Date: Sep 2013
Location: Spalding, United Kingdom
Posts: 306
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Re: 1935 Ford coupe driveabilty problem
Electrical breakdown under load. Coil? Points? Condenser? Dirty connections? Frayed wire? Cracked cap? You need to check through all these. Do you know anyone can loan a known good distributor to swap?
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09-18-2018, 11:39 PM | #3 |
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Join Date: Jul 2011
Location: SF Bay Area
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Re: 1935 Ford coupe driveabilty problem
The rebuilding of a carburetor with known good parts is incomplete until it is adjusted and tuned to the engine it is installed on.
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Alan |
09-19-2018, 09:18 AM | #4 |
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Join Date: May 2010
Location: Plano, Texas
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Re: 1935 Ford coupe driveabilty problem
I would start with a new condenser.
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09-19-2018, 09:19 AM | #5 | |
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Join Date: May 2011
Location: New Berlin,Wi
Posts: 228
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Re: 1935 Ford coupe driveabilty problem
Quote:
I don't has access to a spare distributer but I will pull it off and have to look it over, if not I'll sent it off to Bubba. |
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09-19-2018, 09:43 AM | #6 |
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Join Date: Jun 2010
Location: San Antonio, Texas
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Re: 1935 Ford coupe driveabilty problem
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Another possibility is if something is plugging off flow inside the gas tank or if the venting isn't working for the tank. If the tank is clean inside and properly venting then there should be no issues. |
09-19-2018, 09:59 AM | #7 | |
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Join Date: Jul 2010
Location: Ventura, CA
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Re: 1935 Ford coupe driveabilty problem
Quote:
An un-vented fuel cap is a very common problem on vintage vehicles, causing a lot of problems. That would be the first thing I would check before I started to RR parts from the ignition. If the fuel cap is an old one the vent in the cap might be compromised from age.
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Bill.... 36 5 win cpe |
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09-19-2018, 10:06 AM | #8 |
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Posts: 1,771
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Re: 1935 Ford coupe driveabilty problem
what carb are you using does it have a power valve
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