| JohnA | -- 09-04-2022 @ 4:18 PM |
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I put a vacuum gauge on my 239/ 59a and it read late timing, how can I adjust timing??
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| 40 Coupe | -- 09-05-2022 @ 4:59 AM |
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Although the vacuum gauge reads late timing there are other causes for the gauge to read slightly low. Suggest you look for a vacuum gauge instructions that have other causes of low vacuum, such as improper adjustment of carburetor idle mixture, before changing distributor timing.
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| JohnA | -- 09-05-2022 @ 5:08 AM |
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your so smart, I will check my booklet.tks
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| 42wagon | -- 09-06-2022 @ 3:15 AM |
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As suggested check the vacuum first. However should you ever need to adjust the timing it is fairly simple and I suggest you look for the instructions in a service book that you may have. Basically it requires you to remove the distributor from the car and then using a couple of straight edges measure the distance between the tang on the back of the distributor and one of the bolt holes on the side. Sounds complicated but really isn't if you have a book with a picture.
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| 37RAGTOPMAN | -- 09-06-2022 @ 6:27 AM |
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first thing' make sure your compression is good, if in doubt take a compression test, bad valves. lower vacuum check for vacuum leaks, I use carb spray. see if engine runs diferent, I would bet on a vacuum leak, pinch off rubber line going to the wiper motor and any other that may be rottted, or loose, hope this helps 37Ragtopman
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| 51woodie | -- 09-06-2022 @ 7:39 AM |
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John. Some good suggestions above. The attached chart shows "poor rings" to be very close to "late timing" in the readings. The Ford shop manual lists the compression for a 59A, to be 100PSI, so a compression check would be recommended. Ensure the battery has a good charge, and the throttle is wide open during the testing. The BEST way to set the timing is to send your distributor out to one of the specialist that do ford distributors. You can do it yourself with the attached info. I use an unlit handheld propane torch to check for vacuum leaks. With the engine at idle, partially open the torch valve and move the nozzle around the carb base, vacuum hose and intake manifold to block gasket area. If there is a leak, the engine will speed up.
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