1. Cooper S cranks and ALL other Mini cranks are FORGED steel, NOT cast.
2. Mk1 Cooper S cranks are EN40B steel, forged, machined, ground, then nitrided.
3. I have heard Rolls Royce did the nitriding, I dunno if it's urban myth, or not.
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| crank shaft. https://www.ausmini.com/forums/viewtopic.php?f=2&t=36248 |
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| Author: | smelly [ Sun Sep 30, 2007 7:46 pm ] |
| Post subject: | crank shaft. |
Who knows any thing about rollsroice casting cranks for mk 1 cooper s motors ? |
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| Author: | Morris 1100 [ Sun Sep 30, 2007 7:56 pm ] |
| Post subject: | |
Rolls Royce never cast cranks for the Cooper S Mk1. |
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| Author: | drmini in aust [ Sun Sep 30, 2007 7:57 pm ] |
| Post subject: | |
1. Cooper S cranks and ALL other Mini cranks are FORGED steel, NOT cast. 2. Mk1 Cooper S cranks are EN40B steel, forged, machined, ground, then nitrided. 3. I have heard Rolls Royce did the nitriding, I dunno if it's urban myth, or not.
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