Quote:
Originally Posted by Colonel
I have a six year old ford script repro battery that is marginal in starting the car. I have added water numerous times over the years. My hydrometer indicates the battery acid in each cell is very dilute and in the red zone. Can I add fresh battery acid to the cells and recharge? Thoughts..... Don't want to give up on the battery if possible. Don't want to have a safety problem either!
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In the past, I have drained a battery completely, flushed it with water a couple times and refilled it with new acid at 1275 sp. gr.
This battery was partially sulfated so I added a teaspoon of epsom salt to each cell also. I got another 3 months from that battery.