Model A backfire, can't move Still new to Model A's, and am having an issue, so I thought I would check with you guys to see if there is an obvious answer. I drove the car today on a little trip about 50 miles each way. Ran good until I was a couple of miles from home, and it started to sputter, and then backfire. It finally got so bad, that I had to pull it home. I had just put the manifold back on with a new gasket after having it planed. I had adjusted the points to .20, and put in new plugs and a coil. To me, it is acting very lean, but I have fuel at the carb and the glass in line filter is full. Is it ignition? I did notice when I adjusted the points, that they seem too closed. I had to open them up to get to .20. Could the points be bad? I am not very good with ignition either! Thanks in advance.
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Re: Model A backfire, can't move did you have the gav open enough to get enough fuel in the carb
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Re: Model A backfire, can't move I believe you might have a bad condenser cheep fix it just happens
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Re: Model A backfire, can't move I'm wondering if the problem is modern points and condenser
The foreign condensers that most offer for use with V8 points are not very reliable I notice that the list of parts that you replaced doesn't include the condenser . My guess is a bad condenser . |
Re: Model A backfire, can't move Have you retorqued the manifold?
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Re: Model A backfire, can't move I did retorque the manifold after a short drive. (Once it had cooled again) Are the points and condenser for this something I can get at the parts store, or do I need to go to a Model a site to get the? Thank you
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Re: Model A backfire, can't move You'll probably have to go to a Model A site to get your parts, especially if they are original type points/condenser. Modern type points/condenser are Ford V8 and could be bought/ordered from a good parts store. [ get the expensive ones].
My original thought was fuel delivery, did you try opening the fuel cap ? It could be a venting issue. Actually it could be several issues, which have been covered. |
Re: Model A backfire, can't move Had a similar adventure and found that my gas cap vent wasn't working. This will cause the car to backfire, sputter and stop because fuel cannot flow due to a vacuum condition in the fuel tank.
When this happens open your gas cap and if you hear a "swish" of air it is plugged. Put the cap back on loosely and drive home. I was 50 miles from home and it ran well all the way back. You can use a small piece of wire to determine if the vent in the cap is clear. I also drilled another hole in mine just in case... Chap |
Re: Model A backfire, can't move Check the water in the radiator. It’s may have overheated.
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Re: Model A backfire, can't move Is there a main fuse in the system? If you are running a stock generator and cutout,and that blows,the generator will put out up to 40 volts,that will give you some pretty spectacular backfires.
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Re: Model A backfire, can't move Quote:
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Re: Model A backfire, can't move I did take the plug out of the bowl. I had fuel flowing steady there. I did not check the cap, but I will try that as well. Wish I didn't have to work so I could do more on it!
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Re: Model A backfire, can't move Funny how "work" gets in the way of our personnel lives, even when retired.
Paul in CT :D |
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Re: Model A backfire, can't move Thank you. Not totally sure I follow, but I will check it out. Especially if the points are off again. I did order points and condenser for it as well.
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Re: Model A backfire, can't move Sorry I didn't explain that too clearly.
Basically if the contact point that screws in and out of to make the adjustment can't be clamped down on hard enough to hold it in place you will need to remove some material in the slot of the part that holds it to give it more room to squeeze down on it. Clear as mud I'm sure. |
Re: Model A backfire, can't move I had a problem w/a new B distributor cam that had a rough surface and wore the points rubbing block down quite quickly. I never thought to inspect the cam when I installed it, just assumed it was as smooth as it should have been.
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Re: Model A backfire, can't move Stipe machine offers the best and most acurate distributor cam on the market for the model A and B engines .
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Re: Model A backfire, can't move If this monster still won't start I'd suggest a compression check. I'm wondering if a back fire happens to damage the cam gear.
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Re: Model A backfire, can't move I was actually wondering about that cam gear, because I had to open up the points to gap them. I was wondering if it was wearing down. I just need to get in the shop! Stupid work!
Thanks again for the ideas |
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