Thread: alternator

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Just finished up a 49 Chevy pickup 12 volt conversion for a customer. An 55amp alternator will do just fine unless you start hanging A/C and such. You'll have to buy or fabricate brackets,they are available on E-Bay for $75 or so bucks.You will also need a voltage dropping resistor for the fuel gauge you can get that from Jim Carter. Also will need a 12 volt coil and a ballist resistor for it.Save the fan/pulley from your generator you will have to use it on the new alternator or else change all of the other pulleys. When you remove the pulley and fan from the new alternator there will be a spacer,cut it approximatley in half and it will give you the proper spacing for the old generator pulley/fan. Napa alternator # RAY 2134011 55 amp if your gonna add stuff later go with an 80 or 100 amp alternator.