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Discussion Topic:
Switching to Alternator
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murphy1936 |
06-28-2014 @ 1:51 PM
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New Member
Posts: 191
Joined: Nov 2013
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Any best place to get 6vpositive alternator. .? Special vendors??
Early Super Deluxe 41 Coupe
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supereal |
06-28-2014 @ 3:53 PM
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Senior
Posts: 6819
Joined: Oct 2009
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C&G (1-800-266-0470) has a complete kit with the necessary mounting kit. For your '41, 91A-10300-K6. If your car has a later year engine, be sure to tell them. The catalog price is $195.00 It uses a 50 amp, one wire system.
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murphy1936 |
06-28-2014 @ 8:13 PM
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New Member
Posts: 191
Joined: Nov 2013
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Thank you question a 50 amp output would that cause early burnout on lights??
Early Super Deluxe 41 Coupe
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Stroker |
06-29-2014 @ 6:59 AM
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Senior
Posts: 1460
Joined: Oct 2009
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Murphy1936: Amps are just a rating of the ability of the alternator to provide a given "volume" of current. Volts are the "pressure" being applied. Lights burn out prematurely due to too much voltage. So, 50 amps will not affect your lights, but will simply keep up with your use of current easily. I know this is an oversimplification, but with apologies to Supereal, I've found it useful for the electrically-challenged old folks like me who don't trust anything that they can't see move.
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4dFordSC |
06-29-2014 @ 8:09 AM
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Member
Posts: 266
Joined: Oct 2009
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Ed Whitney in Buena Park, CA, can convert your generator to an alternator and preserve the original look and fit. Send him the end plates from your generator and he does the rest. Ed Whitney, (714) 773-1611.
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TomO |
06-29-2014 @ 8:14 AM
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Senior
Posts: 7271
Joined: Oct 2009
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Before you make the switch, be aware that the alternator may not spin at a high enough rpm to function properly. The generator that came with your car will put out 35 amps, which is plenty to keep your battery charged.
Tom
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supereal |
06-29-2014 @ 6:50 PM
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Senior
Posts: 6819
Joined: Oct 2009
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I did find that the one wire alternator didn't spin fast enough to come on without revving the engine above normal, so I made a smaller pulley for the unit. The downside is that the belt has to be verry tight to prevent slippage . This has the effect of damaging the old style bushing water pumps. Installing the new ball bearing pumps will prevent the evential leakage. If I was going to do it again, I't opt fpr the two wire alternator that is turned on from the ignition curcuit. If you look at modern cars, you will find that the crank pulley diameter is considerably larger than the alternator, so it turns much faster than the relative slow turning flathead can provide.
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murphy1936 |
06-29-2014 @ 8:07 PM
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New Member
Posts: 191
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Thank you ALL for giving me choices. It appears that if one goes to alternator water pumps might be effected by tight belts .i kinda lean towards the moder update of existing generator but I need to know more about it as what is the-amperage output and are there any modifications that have to be made John
Early Super Deluxe 41 Coupe
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carcrazy |
06-29-2014 @ 8:53 PM
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Senior
Posts: 1691
Joined: Oct 2009
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If you are willing to go to a 6 or 12 Volt negative ground alternator you can obtain them from Fifth Avenue Antique Auto Parts at 785-632-3450. They also publish and have available "The Official 12-Volt Conversion Guide" which will answer your alternator questions on how to change your electrical system for maximum performance.
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TomO |
06-30-2014 @ 6:53 AM
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Senior
Posts: 7271
Joined: Oct 2009
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My experience has been that the more modifications from stock that a car has, the more problems that it has. Alternators became necessary when air conditioning became common. The air conditioner requires more current at low speeds than a generator can deliver. A generator will deliver enough current to keep a battery fully charged in most non-air conditioned cars.
Tom
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