41 Ford engine help Hello,
I just got a 1941 Ford Sedan with a V8 flathead. I believe it to be the original engine. This is my first flathead and I am having a bit of trouble. I can get the engine to start every time but when you hit the gas pedal it falls on its face and stalls. It has no power and wont rev up. I believe that to be a timing issue but I am not sure. I am not sure just how to time a flat head and how to find top dead center. I have read quite a bit about guys having no power and it being the coil. I have bought a kit to relocate the coil but I have not installed it yet. Not sure where to start. All advise is welcome. Thank you, |
Re: 41 Ford engine help thinking it's a fuel issue at this point, maybe timing (but I'd look at fuel first). I'd hold off on the coil relocation. If you get it running and 20 minutes later it leaves you stranded. I'd look at coil.
If it sits at idle, I'd guess the timing is within running. Flatheads are very forgiving with timing, they will run full throttle off. Better timed well, but will run. Just my opinion. |
Re: 41 Ford engine help Give us a little history on the car.....such as when did this problem start. Has the car been sitting for a long period of time etc. etc...
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Re: 41 Ford engine help Lot of carb guys here. If you have another carb try it. or rebuild it.
Something to try, two guys. When it starts to fail take a bottle and feed the carb/intake with fuel (air cleaner off of course). If it runs then think fuel. Best to have a squirt bottle not a can of fuel. Keep a fire extinguisher close. yikes :) |
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Re: 41 Ford engine help Ya or next week. We all have things to do! :)
Might be a line leak, pump, carb, but that little test will help to narrow it down at least to fuel. You can make a squirt bottle with a plastic coke bottle and drilling a little hole in the cap for a one time use (don't keep something like that in the shop if a little kid sees it and thinks its coke, throw it away) Be careful though, fuel and fire :). Best of luck! . |
Re: 41 Ford engine help Check that the fuel cell is vented. Loosen gas cap and run the engine.
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Re: 41 Ford engine help If you idle the car for a while and turn it off, remove air cleaner and view down the carb. turn throttle linkage and you should see two strong streams of gas squirting down the center of the carb. If not then rebuild carb.
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I agree 100% with you as a place to check first and only wonder why it took so long for someone to post it. Charlie Stephens |
Re: 41 Ford engine help This is definitely a fuel delivery problem I agree with Terry!
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Re: 41 Ford engine help Thank you all for your advise I will check and get back with you.
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Re: 41 Ford engine help A fuel pump that looks new does not make it a good one. Sounds like you have very low fuel pressure. Blockage or leak in line from tank bad pump... Need to check fuel pressure for 2-3 psi.
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Re: 41 Ford engine help I would also check the oil to be sure the fuel pump is not leaking fuel into the crankcase.
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It was not properly vented. I have fixed that but even with the gas cap off it did not change the issue. |
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Hello, I did check as you suggested and the accelerator pump was not working. I rebuilt the carb tonight and will try it tomorrow. However after finding the accelerator pump was bad I started the car again and while I turned that throttle linkage and added some gas to the top of the carb from a small squirt bottle and the engine did not rev up. It did not change. It just sounds like it is missing. I have not checked the plugs yet that too will be tomorrow. |
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The accelerator pump on the carb was bad and I rebuilt it tonight. I will try it in the morning. I did try as you suggested and as it started to fail when accelerating I added some gas from a small squirt bottle. It did not run, or rev up it just sounds like it is missing. |
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