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Old 07-30-2014, 11:19 PM
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mnm99 mnm99 is offline
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I ended up going with a Optima Yellow top battery. The CCA were high and it's a dual purpose battery. It fit perfect in the box. I must have turned over the car 20x doing checks and it's still going strong. What I found was at idle the alt isn't putting out more than 12.7v as soon as I hit the gas it jumps up to 14V. I guess this type of alt has to get excited at a certain rpm to start making power. I remember on my other car with 1 wire 140a alt I was running at 14v all the time. I changed the pulley to a smaller one to get it to do it. My Ammeter is reading +25 at idle. I can't report back yet about driving, so that may drop to 0.
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