Tue Sep 07, 2010 8:49 pm
I just picked up a super A that has a stuck engine.When i pulled the head off i found that it has 1/4" over sized sleeves and stepped pistons.Does anyone know how much more power this will give me? thanks, ron
Wed Sep 08, 2010 10:01 am
OK well without being an expert I would say only a few more horse power. And really to me it would only matter if I were going to be using the tractor for serious stuff like plowing. If the tractor was being used to regular mow like mine, then I would say it would not make much difference.
Fri Sep 10, 2010 9:46 am
My grandaddy always said the "Super C Kit" in his (now my) Super A was good for one gear higher---2nd gear loads could now be pulled in third, etc.
I will add that when I started restoring it, we went back with a plain, 3" flat-top aluminum piston. I couldn't tell much difference, but then again the Fire Crater overbores were worn out.
Fri Sep 10, 2010 6:25 pm
I discovered that the tractor serial no. shows that it is a 1948 model but the engine is marked as a c123 so it is a newer engine than the tractor. The no. that is stamped on the machined flat spot on the engine is 10082 does anyone know what would be the year of this engine. thanks, ron
Fri Sep 10, 2010 6:45 pm
Probably 1955. Check the date code on the block. It should have year A.
Sat Sep 11, 2010 9:13 am
It has 4 12 A and 354898 R3 on the block. What do these stand for, thanks, ron
Sat Sep 11, 2010 10:15 am
4 12 A is the date code. It represents April 12, 1955 and is the date the raw casting was poured at the foundry.
354898 R3 is the part number of the block. That agrees with the comments already posted about it being a C-123 block. It would have left the factory with a 3-1/8 inch bore. The 3-1/4 sleeves currently in it were replacements.
Sat Sep 11, 2010 3:18 pm
Thanks for the info jim. Is there any way to tell if it came from a 100 or a 200. thanks again, ron
Sat Sep 11, 2010 4:36 pm
I'm not sure there is any difference that can be seen, certainly nothing obvious.
Sun Sep 12, 2010 9:14 pm
Thanks again for your help. When i get it running i'll what the engine rpms are and maybe that will tell me. ron
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