Super A head gasket confusion

Jason S.

Well-known Member
Ok...I"ve searched the archives and it"s clear as mud...lol.My super a has the C123 block with no water pump...and somebody has installed 3.25" sleeves and pistons.Which head gasket on this site is the correct one?...or a part number for the correct one?
 
If that tractor has 354898R2 on the engine block
Napa may have the head gasket. Super C's also used that block. Hal
 

it does have 354898r2 on the block....by the serial number on the tractor it appears to have built in 1954 if that makes any difference.
 
No water pump means large holes in the gasket. Water pump means small holes. Use the part number for a Super A, not a Super A1, which had a standard water pump. The size of the pistons does not matter. The block number does not matter either, in your case. Only the lack of a water pump matters.
 
I understand the large hole gasket for thermo siphon and small hole for water pump..but i didnt know if the cylinder bore made a difference or not.I didnt know if the C113 gasket would hang over into the bore since it's now .25" bigger.
 

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