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#1 |
Senior Member
Join Date: Nov 2014
Location: New ringgold pa
Posts: 311
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Can anyone point me in the right direction to a repair shop in north eastern PA that is really good with Flathead fords.. I can not find the issue with my 36. Runs great for about 1/2 an hour. Then is starts missing a losing power. I have replaced or repaired.
carb Coil Distributor Fuel pump Fuel filters Condenser Fuel lines Plugs Wires I just can not find the issue.
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#2 |
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Join Date: May 2010
Location: Coral Springs FL
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Have you checked for a blown head gasket?
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#3 |
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Join Date: Nov 2014
Location: New ringgold pa
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That I have not check but I have never seen oil in the radiator or water in the oil. Funny thing is if I turn the car off for 5 minutes and start it up it will run fine again but a couple of minutes later it will start acting up again. It also is not getting hot when it does this. The temp is right around 185. What ever the issue is seems to be something not related to heat because it is up to operating temp and runs fine. Seems to be something is giving out with time.
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#4 |
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Join Date: Oct 2011
Location: Shelton, WA
Posts: 3,825
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Could be the resistor wire is broken but making contact, heats up and gets intermittent. Try hotwiring the car to the coil and see if it continues to run with no missing.
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#5 |
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Join Date: May 2010
Location: Charlotte NC KiWi-L100 available here
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Take off fuel cap
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#6 |
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Location: New ringgold pa
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Ford Last edited by jacob smith; 08-31-2019 at 07:31 PM. |
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#7 |
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I did hear a story of a guy building an engine. Got everything tuned up just right and it would cut out in a minute or so. Tore everything down 3 or 4 times to find an issue and nothing appeared. Finally, he popped off the gas cap and he was greeted by a whoosh of air into the tank and realized the cap wasn't vented right and made a vacuum in the tank pulling fuel back.
The smallest things can just slip by you some times. Sent from my SM-G950U using Tapatalk |
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#8 |
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Join Date: May 2010
Location: Masterton, New Zealand
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One more possibility is that the heat riser in the inlet manifold has blown; as it heats up, more and more exhaust dilutes the incoming charge. I have experienced this exact problem, took me months to diagnose; i was convinced it was electrical.
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#9 |
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Join Date: Nov 2014
Location: New ringgold pa
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Did it run fine when you had your foot of the gas but when you gave it gas the it would start to act up. Also does it make a sound like air going through baffles. It almost sounds like the sound that is made when you blow a horn but all you get is air thought the horn.
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Ford Last edited by jacob smith; 09-01-2019 at 05:40 AM. |
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#10 |
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Join Date: May 2010
Location: Schooley's Mountain
Posts: 530
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It could be something in the gas tank moving around
and blocking the fuel pickup tube, then releasing when the engine is turned off. |
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#11 |
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Join Date: Nov 2014
Location: New ringgold pa
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No I cleaned the tank also
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#12 | |
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Join Date: Jul 2016
Location: Lake worth Florida
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Use a vacuum gauge and if it starts dropping slowly at first then steady drop till dies . |
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#13 |
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Join Date: Nov 2014
Location: New ringgold pa
Posts: 311
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I will do that also
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#14 |
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Location: Lancaster PA
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#15 |
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Join Date: Nov 2014
Location: New ringgold pa
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Under the hood
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#16 |
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It's the nut behind the wheel...……………….. Just kidding.
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#17 |
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Join Date: Nov 2014
Location: New ringgold pa
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It surely has driven me nuts trying to find the issue lol
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#18 |
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Join Date: May 2010
Location: Pocateelo Idaho
Posts: 33
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Rag or water in the gas tank.
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#19 |
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Join Date: Oct 2015
Location: Socal
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^ What he said.
You've already eliminated my favorite (condenser). |
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#20 |
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Join Date: May 2010
Location: MN
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Engine gets hot, it starts to misfire....
Coil and condenser. New doesn't always mean good usually. Get a vacuum gauge on it too... . |
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#21 |
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Join Date: Nov 2014
Location: New ringgold pa
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I had the coil and the condenser check underload when I had my distributor rebuilt. But keep the ideas coming. I am sure out of ideas
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#22 |
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Location: MN
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But how about when hot? load and engine temp is different animal.
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#23 |
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Join Date: Nov 2010
Location: Lancaster PA
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Drop the muffler out and try it again. Run a wire up the exhaust pipe from muffler to engine looking for a blockage. Has the car been together long enough for rodents to full the muffler or pipes with debris? I took a car apart that had nuts packed all the way to the valves.
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