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| Letters on the side of each cylinder https://www.slantsix.org/forum/viewtopic.php?t=22661 |
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| Author: | bwhitejr [ Wed Apr 11, 2007 9:40 am ] |
| Post subject: | Letters on the side of each cylinder |
My '72 SL 6 block has clearly visible letters on the side of each cylinder (A-F). I understand that the letter indicated how much off the cynder bore was on that cylinder and a piston more closely matching the bore was fitted. Can anyone expand on this? SSDan? bwhitejr |
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| Author: | Doc [ Wed Apr 11, 2007 11:24 am ] |
| Post subject: | |
Engine component machining and assembly - sub assembly work was happening in many different locations so there were many inspection steps to insure the proper fits. Basicly, the bored blocks would get measured and the bore size ID letter was marked on the block. The pistons / con rod assemblies were also measured and sorted into "lettered" bins, based on their sizes. The engine assembly line worker simply looked at the marking on the block and installed piston assemblies from the matching lettered bin. "A" pistons go in "A" holes, "Bs" go into "B" holes, etc. DD |
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