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EFV-8 Club Forum / General Ford Discussion / Powermaster PowerGEN Alternator

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Discussion Topic: Powermaster PowerGEN Alternator -- page: 1 2 3 4

thirtysixford

05-27-2023 @ 12:35 PM

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Anyone using one of these alternators? I'm thinking of finally converting from 6 volt pos ground to 12 volt.
Still have a working original radio was trying not to eliminate. Pros and cons on pos or neg ground?

The fan on my car is bolted directly to the generator, I don't see this configuration on any of the conversion units.
Thanks

voced

05-27-2023 @ 5:06 PM

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Mike;
I have the same original set up on my 36 and don't have any problems.
Do you like that 6 bladed fan? I have one but haven't put it on yet. Someone said they roar a lot more than the 4 blade fan.
Jerry

51woodie

05-27-2023 @ 7:09 PM

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I have a six blade on my ‘46, and it is a bit noisy when accelerating, but fairly quiet at cruise. The engine runs at 180 deg , even at slow speeds around town.

Sneezer

05-28-2023 @ 4:03 AM

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I have one for sale. Ran it for 2 years w/o a problem. Its a 90 amp unit. Had the alternator on a 49 Mercury motor in a 1935 coupe. Made a spacer do to the need for long shaft waterpumps. Adapter goes with it. Removed when I sold the car. $145 plus shipping.

JayChicago

05-28-2023 @ 6:15 AM

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ThirtySixFord
You didn’t say why you want to convert to 12 volt. What’s wrong with what you have now?

1931 Flamingo

05-28-2023 @ 8:39 AM

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They make them in 6 volt also.
Paul in CT

thirtysixford

05-28-2023 @ 11:11 AM

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The fan roar was defiantly awful with the 4.44 rear gears the car had when I bought it. Just changed to 3.54 but haven't got everything complete and haven't driven it yet.

I have had the car since 1990, over the years lots of issues with slow cranking, dim lights etc. Have spent lots on good cables, making sure connections are clean and tight but there always seems to be an issue. Been stuck too many times with a car that won't start. Once when driving it at night a car came flying up from behind and nearly wiped me out. At he next light the guy was screaming that he couldn't see my taillights. Grand kids love riding in it, but it has to be safe.

fenbach

05-28-2023 @ 4:46 PM

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I have the 6V, positive ground alternator on a '36. It came with a pulley for mounting the stock fan. Years ago. With it I can use halogen headlights, available from Drake , also years ago. And an electric radiatorfan and a radio and halogen tail lights, all at the same time. I did double up all the wires to handle the substantially increased amperage. No need for 12V IMHO.

carcrazy

05-28-2023 @ 9:07 PM

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Contact the folks at the Fifth Ave. Garage (www.fifthaveinternetgarage.com) for info. on changing your electrical system from 6V to 12V. They can supply the pulley you need to run your original cooling fan on the front of your new alternator.

Provided you don't mind having a later model alternator on your engine, you can use an alternator for a 1978 Chevy Camaro with 350 V-8 engine and A/C. This is a Model 10 SI with a 63 amp output. It is available from Autozone under part number DL7127M. (Duralast alternate P.N. is NS7127-3). Get a rebuilt unit and the cost will be very friendly. You will also have to pay a $10.00 core charge because you won't have an old one to turn in. This alternator is 12V negative ground which is compatible with modern radios, cruise control units and most any other modern conveniences you might want to ad.

This message was edited by carcrazy on 5-28-23 @ 9:09 PM

thirtysixford

05-29-2023 @ 10:55 AM

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I have the halogen headlight kit, better but still lacks a bit. Taillights are dismal.
I contacted Powermaster, but the customer service rep I got didn't have a clue if they had a unit that would allow me to use the original fan. Also said they don't make a 12 volt pos ground unit.

Now thinking the 6 volt pos unit like Fenbach has might work Like him, I would run extra heavy wires to the lights etc
Summit is one of the suppliers for them, but again, I don't see anything my fan setup would work with. Maybe the alt/gen pulley on the units can be replaced with the Ford unit that will accept the fan?

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