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Originally Posted by MikenOH
For the less educated, could you explain how a crankshaft is created from powered metal?
Weren't cranks forged in the old days from a solid billet and then machined?
How would you compare the new technology to the old--durability/price?
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The newer methods of component manufacturing consider cost more than longevity- just like the rest of the M96 engine- thats why they fail.
Older cranks were true forged units, typically 911, 356 and 914 cranks were 1045 steel forgings made with conventional methods.. A google search on the topic will explain exactly how a crank is forged and it'll be easier to comprehend than anything I could explain in the 10 minutes I have to make this post :-)