I bought a couple of 51s' at Walmart. I have to use a cable strecher to make the connections but that wont be much of a problem. I measured the 56s' and thought they would rub on the bolts that hold ...
I just bought a 1952 M38 with a M38A1 engine installed. The unit had been sitting for about 8 years in a garage. The batteries that are installed are group 56S. I can not find this group of batteries ...