George; Not completely right, all Super A after serial number 310300 used block 354898, same block as super C. The difference is sleeve thickness. That 310300 Super A happened about same time as first Super C was built. The Super A with thicker sleeves remained 3" bore, while the Super C was 3-1/8" bore. That same block can be fitted with 3-1/4" bore sleeves and pistons. Block 354898 was also used in 100 and 200, and is the only block in that group with 3 different bore sleeves available.
The blocks used in 130, 230, 140 and 140 only have a 3-1/8" bore sleeve available. The blocks before 1951 can also be fitted with 3-1/8" bore as well as 3" bore. All sleeve kits are specific to a particular block number. A and B used block 6342 DH, C and early SA used block 251069, Super C and late SA, all 100 and 200 used block 354898, 130 and 230 used block 366204 and 140 and 240 used block 367825.
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Today's Featured Article - Talk of the Town: Winterizing Engines - To Drain or Not to Drain? - by Russ Berry. What is this strange attraction I have to equipment and machinery? How did I get this way? I came from the suburbs and own a small horse farm in rural Loudoun County, Virginia. You can call me a "weekend farmer." The local farmers do. Does it bother me? No. I am just happy to have their friendship. At least the word "farmer" is in my title. But what is the attraction? How can I explain the sensation and exhilaration I feel when I turn the key and hear the engine come to life (most
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