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Thread: 1978 R100/7 Topend Overhaul

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  1. #23
    Administrator 20774's Avatar
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    Here is a composite shot of the interior of one of the pistons. The stamp "1275" probably indicates that it was cast in December 1975. The other marks are the Kolben-Schmidt logo, what looks like a 19 with a 7 underneath it turned sideways, the number "094022" which is probably the mold number, and a "2" and a "7+" underneath the mold number. Not sure what these last two numbers might mean. Maybe the "7+" has something to do with the weight or weight group.
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    Kurt -- Forum Administrator ---> Resources and Links Thread <---
    '78 R100/7 & '69 R69S & '52 R25/2
    mine-ineye-deatheah-pielayah-jooa-kalayus. oolah-minane-hay-meeriah-kal-oyus-algay-a-thaykin', buddy!

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