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You know you can use a steel crank now?
That looks like the typical one time past 8000 RPM break. I did one that looked just like that with a 540 Lola and their stupid design of having the flywheel sticking below the frame rail. It hit the ground in the dip on the old Road Atlanta track and just really didn't like it.
I never let one break after over-revving, but saw quite a few who didn't believe it was really true. You turn one of the cast iron cranks in excess of 8000 rpm and it's GOING to break. Maybe next lap, maybe next weekend, but you can bank on it.
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Sold - Black on Sand Beige 2006 S - 48K miles
18x8.5 and 10 OZ Alleggerita HLT Anthracite wheels and anthracite Cayman side grilles - lovingly adjusted Schnell Short Shift
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