Battery needed for a 66 vette - NCRS Discussion Boards

Battery needed for a 66 vette

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  • Harry L.
    Very Frequent User
    • December 22, 2008
    • 370

    Battery needed for a 66 vette

    What is the recommended battery for a 66 427, 390hp with factory a/c? thanks for any responce. Also , how many volts should my alternator be putting out? DUTCH
  • Bill I.
    Very Frequent User
    • January 29, 2008
    • 554

    #2
    Re: Battery needed for a 66 vette

    Dutch, my advise, a Optima Red Top 34-78 series. Your alt, measured at the battery posts at a rpm of 1800 or more should be around 14.2 to 14.5, depending of the state of the battery. Bill.

    Comment

    • Randy S.
      Expired
      • January 1, 2003
      • 586

      #3
      Re: Battery needed for a 66 vette

      Harry,

      I tried the Optima battery for my 66 but wasn't comfortable with the spacers required to make the battery fit the battery tray. I think the battery comes with a height spacer but you'll also need a spacer for depth as I recall. AC cars (like mine) also have a top mtg clamp with angle brackets that did not fit the Optima correctly. I know the Optima is a better battery technology but I went with the best Delco I could get. Fits the tray nicely.

      Randy

      Comment

      • Jim T.
        Expired
        • March 1, 1993
        • 5351

        #4
        Re: Battery needed for a 66 vette

        I was in a delimina as to what battery to buy for my 85. My 85's Delco battery was doing great until I left the fog lights on one morning and installing the car cover did not notice I left the lights on. The Delco was dead since it drained for 8 1/2 hours. Got a jump and drove home. My 9 year old Delco would not hold more than 10.7 volts now. Very good service life though.
        I was trying to decide between another Delco or a Interstate Mega-Tron.

        Decided to get a AC Delco Professional 75-7YR that has 700CCA. This battery has a 50 month free replacement with the rest of the 7 year warranty is prorated.

        I was told Johnson Controls makes batterys for AC Delco and Interstate. The Interstate battery had a 24 month free replacement.

        Comment

        • Bruce B.
          Extremely Frequent Poster
          • May 31, 1996
          • 2930

          #5
          Re: Battery needed for a 66 vette

          Try calling Tom Kobman at Restoration Battery, 513 574-4481.
          Or look him up at Carlisle, top of the hill near the food court.
          He can give you lots of info on batteries, and he's a nice guy.

          Comment

          • Mike L.
            Very Frequent User
            • January 1, 1986
            • 312

            #6
            Re: Battery needed for a 66 vette

            You might want to try Axion Power Battery@877-324-9300 they also have a web site.

            Comment

            • Chuck M.
              Very Frequent User
              • February 1, 2002
              • 335

              #7
              Re: Battery needed for a 66 vette

              You could try Antique Auto Battery in Hudson, OH. www.antiqueautobattery.com
              (330) 425-2395

              We have also bought from Restoration Battery both very good to deal with. We went with Antique this past Saturday as they are local to us.

              Chuck

              Comment

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