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Discussion Topic:
Powermaster PowerGEN Alternator
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carcrazy |
05-29-2023 @ 12:01 PM
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Senior
Posts: 1651
Joined: Oct 2009
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The pulley you need is most likely available from Fifth Avenue, phone 785- 632-3450. It is part number 14415FP. It provides both the mount for your fan and the proper 2.5" diameter pulley for your alternator to charge properly at idle. The stock Ford pulley has a diameter that is too large for the alternator to charge properly. Alternators have to spin faster than generators to function as intended.
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Sneezer |
05-30-2023 @ 6:50 AM
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Member
Posts: 63
Joined: Aug 2016
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Someone replied privately to my for Sale item, the Powermasters alternator. I was unable to access the message. If still interested email me at apleuss@charter.net
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TomO |
05-30-2023 @ 8:43 AM
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Senior
Posts: 7250
Joined: Oct 2009
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Driving at night in an old car is a challenge. Most drivers today are used to the large bright LED tail lights on the modern cars. Changing to 12V will not make your tail lights as large or as bright as the modern cars. Before I went to LED bulbs,a club member was driving behind me in her modern car and she said that I was driving without tail lights. When she saw the lights in the parking lot, she said they were much brighter than her 40. Evidently the new headlights tend to wash out the small lights on our cars Make sure that you have at least 6v at the tail light pig tail with the engine running at about 20mph. Use a paper clip as a probe for your meter to get inside the bullet connector. If you don't have 6V, your bulbs will not be able to provide nominal brightness. Optimum brightness come in around 6.5 V. Halogen bulbs draw too much current for the 6V wiring. A better solution is LED bulbs. I put LED bulbs in my 40 Merc and they are bright, but drivers still scare me by changing lane at the last minute. Here are 2 photos of my Merc tail lights. The first is with the garage lights on to simulate brightly lit streets and the second is with the garage lights off to simulate dark streets. Tom
This message was edited by TomO on 5-30-23 @ 8:56 AM
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Mike_Van |
05-30-2023 @ 6:39 PM
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Member
Posts: 5
Joined: Dec 2022
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I agree that LED lights are the way to go and you probably can use a generator. I bought a 12 volt rebuilt generator for a 60's Ford and used the front cover, pulley and fan from the 6 volt gen. The rear cover has a mounting tab that can just be trimmed off. It is an AC Delco unit from Rockauto, inexpensive and looks like new, not rebuilt. You can get LED headlight bulbs from LogoLites, 6 or 12 volt positive or negative ground.
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thirtysixford |
05-31-2023 @ 7:15 PM
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Member
Posts: 210
Joined: Oct 2009
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Wow, lots of good info here....thanks to everyone Need to think this over a bit, don't want to do it twice.
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thirtysixford |
06-01-2023 @ 9:35 AM
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Member
Posts: 210
Joined: Oct 2009
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TomO I would be happy with lights like in your pictures. Is this a 6 volt system? If it is, I'm leaning towards keeping the 6 volt pos ground setup with a Powermaster alternator setup if I can keep it looking somewhat like what I now have.
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thirtysixford |
06-01-2023 @ 10:42 AM
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Member
Posts: 210
Joined: Oct 2009
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Really trying to avoid putting a GM alternator on the flathead I'm sure it would work, but....... I see this Powergen unit available 6 volt pos ground Front mount looks similar to what's on my 59 AB except the fan does not mount to he unit. I haven't disassembled my generator so I'm wondering if anyone knows if I can take the pulley assembly off my generator and put it on the Powergen.. Would the pulley line up with water pumps etc? Powergen couldn't answer
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carcrazy |
06-01-2023 @ 12:33 PM
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Senior
Posts: 1651
Joined: Oct 2009
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One thing you can do is eliminate the mechanically driven fan altogether and use a radiator mounted electrically driven fan on the back side of the radiator.
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thirtysixford |
06-01-2023 @ 2:19 PM
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Member
Posts: 210
Joined: Oct 2009
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Just removed the fan leaving the generator still installed. The generator shaft is independent of the fan. you could run the engine without the fan and generator would still function. The 1/4 -20 bolts holding the fan to the pulley are only 1/2 inch long and have a lock washer so not much thread is holding it on.. doubt this is right, If the fan came off, some expensive parts would be toast. An electric fan would work, but how many amps is a 6 volt fan? I have a feeling the PowerGen uses a Mitsubishi or Denso alternator so the shaft is probably metric. Might be able to do something with the pulley carcrazy mentioned but it's probably not metric as well. Nothing is easy.
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TomO |
06-02-2023 @ 8:46 AM
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Senior
Posts: 7250
Joined: Oct 2009
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Both of my cars are 6 volt POS ground with a generator. I would stay with the stock generator. I do use a battery tender on both cars to keep the battery at a full charge. There are problems getting an alternator to charge on the older cars. Supereal explained this in one of his posts on the use of an alternator. Search on "alternator" all forums and all dates and user name "Supereal". The bolts holding the fan to the generator pulley should be 1/4"-28 x 1/2". There are many cars still running with the generator mounted fan. If the bolts are tightened properly, they should hold the fan in place. Keep in mind that changing one component of an electrical system affects all other components is some fashion.
Tom
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