The Ford Barn

bullfrog · 06-16-2018, 10:47 PM

I have a 226 flathead in a 52 ford f2. I tried converting it to 12 volt and was unable to find an alternator that would charge the up the battery because the engine rpms are to low for it to charge the battery unless I was driving 35-50 mph. I was never able to find what size pulley to use to increase the speed for the alternator to start charging. I recommend using a generator converted to 12 volt that came stock on the truck. They will match the rpms with the charging needs of the battery. Or if you are able find the appropriate pulley size for an alternator.

06-16-2018, 10:47 PM	#3
bullfrog Junior Member Join Date: Jun 2018 Posts: 12	Re: 6v to 12v conversion for the 226 I have a 226 flathead in a 52 ford f2. I tried converting it to 12 volt and was unable to find an alternator that would charge the up the battery because the engine rpms are to low for it to charge the battery unless I was driving 35-50 mph. I was never able to find what size pulley to use to increase the speed for the alternator to start charging. I recommend using a generator converted to 12 volt that came stock on the truck. They will match the rpms with the charging needs of the battery. Or if you are able find the appropriate pulley size for an alternator.

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