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| techtalk:evo:engmech04e [2021/08/06 21:47] – [Cast Numbers and Date Coding] hippysmack | techtalk:evo:engmech04e [2021/09/01 02:28] (current) – [Cast Numbers and Date Coding] hippysmack | ||
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| ====== Cast Numbers and Date Coding ====== | ====== Cast Numbers and Date Coding ====== | ||
| - | [[techtalk: | + | [[techtalk: |
| + | [[techtalk: | ||
| You'll notice several cast-in numbers/ | You'll notice several cast-in numbers/ | ||
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| The number cast into the different rocker box sections IS NOT the part number. \\ | The number cast into the different rocker box sections IS NOT the part number. \\ | ||
| It has the -xx year code on the end but that number denotes the certain features that were cast into that certain piece. \\ | It has the -xx year code on the end but that number denotes the certain features that were cast into that certain piece. \\ | ||
| - | Even though the casting number is the same for many different boxes, the outside finish changed | + | Even though the casting number is the same for many different boxes, the outside finish |
| + | (along with the list part number) | ||
| It's the part number listed in the respective parts catalogs that differentiate the finish for the respective model motor intended. \\ | It's the part number listed in the respective parts catalogs that differentiate the finish for the respective model motor intended. \\ | ||
| - | |||
| - | **HD Model Code**: \\ | ||
| - | If you'll notice, there are arbitrary numbers also cast into the different rocker box sections. \\ | ||
| - | There is one number that is stamped in all the Sportster box sections (413). \\ | ||
| - | The number 413 is stamped into all Evo Sportster rocker boxes to distinguish these from other HD model boxes. \\ | ||
| - | I.E., there is a BT version that has one curved side and one straight side with a #380 cast into it. \\ | ||
| **Year Code**: \\ | **Year Code**: \\ | ||
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| The 4 in the day chart may be a control number as 8-4-1994 was actually on a Thursday (Monday seems to be marked in the pic below). \\ | The 4 in the day chart may be a control number as 8-4-1994 was actually on a Thursday (Monday seems to be marked in the pic below). \\ | ||
| - | | Date codes on 1994 Sportster middle rocker box spacer ((photos by Ebay seller, animalhouse2010 [[https:// | + | | Date codes on 1994 Sportster middle rocker box spacer ((photos by Ebay seller, animalhouse2010 [[https:// |
| - | |{{: | + | |{{: |
