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    1. 09-03-2008 #1
      Tom Vogel
      Tom Vogel is offline Registered User
      Join Date
      Aug 2006
      Posts
      93

      Alternator sizing

      I have a 140Amp powermaster to go on my F1R procharged BBC. It has a huge fuel pump, big duel elect. fans; 7AL ignition and AC. My mechanic says he thinks the 140 amp alt will be inadequate when cruising,... that it wont keep the battery charged at lower RPMs. He suggests dual batteries.
      Any opinions? TIA, Tom

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