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07-20-2012, 07:41 PM | #1 |
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Join Date: May 2010
Location: From Chicago. Now Nashville
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'41 Flathead Not Starting
I am trying to revive my pickup which has been sitting, well-preserved, in an Ohio barn for about 20 years. It was restored prior to being stored, but has been rather neglected.
I have rebuilt the Ford 94 carb and the fuel pump. The gas lines are clear with a new gas tank (I can pull gas through the line with a vacuum pump). The motor cranks over, I am getting spark, but it will not start. The pump seems not to be pumping fuel (it's the later style with the glass bowl and not a drop gets deposited in there when the motor cranks), but even after I have put gas in the carb float bowl, and sprayed starter fluid down the throat, the engine isn't firing up. Anybody have any ideas? |
07-20-2012, 07:54 PM | #2 |
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Location: London On, Can.
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Re: '41 Flathead Not Starting
I suggest the valves are stuck ,take the plugs out put some oil in the cylinders and turn her over on the starter or tow her .
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07-20-2012, 11:14 PM | #3 |
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Location: oroville ca.
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Re: '41 Flathead Not Starting
i believe Johnny is correct, do a compression check to really see it that is the problem, if it is, pull all the plugs and put a good amount of penetating oil in the cylinders and let set for a few days, turn the engine over and do it again, wait a few days , turn engine over to clear cylinders, replace plugs .prime the engine and see if it starts, if it does put 4 or 5 oz of marvel mystery oil in fuel tank , put a qt in crank case and run engine, if its the valves they should free up, a good penetrating oil is a home made one, 50/50 mix of acetone and auto trans fluid, just dont be in a hurry let the stuff work
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07-21-2012, 04:14 PM | #4 |
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Join Date: May 2010
Location: From Chicago. Now Nashville
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Re: '41 Flathead Not Starting
Thanks guys. I'll give that a try.
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08-13-2012, 03:27 PM | #5 |
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Join Date: May 2010
Location: From Chicago. Now Nashville
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Re: '41 Flathead Not Starting
Ok, over the past few weeks, I've squirted ATF/acetone down the plug holes three times. I've replaced the plugs, and am still not getting the engine to fire up. I can feel some compression at the end of the tail pipe. The gas in the carb float bowl that I put in has been sucked out by cranking the engine over, but even with spraying starter fluid and gas down the throat, I'm not getting anything to fire.
I would think if it has fuel, spark, and even a little compression, it should start? |
08-13-2012, 04:10 PM | #6 |
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Location: Oregon
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Re: '41 Flathead Not Starting
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Another possibility besides stuck valves is that the plug wires are mis-wired. A good spark at the wrong time won't do the job. Tom |
08-13-2012, 06:07 PM | #7 |
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Re: '41 Flathead Not Starting
you say you have a spark? how strong is the spark? does it jump a 1/2" gap-is it blue in color? remove the distributor if the spark is weak and clean the points with some fine sandpaper, make sure they are opening and closing---one set at a time, I would be willing to bet that the points have a layer of crud on them and you really can't get a good spark, also get some new plugs or at least clean and gap the old ones.
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