Quote:
Originally Posted by tubman
"Pete" - Would it be possible to post a couple of side by side pictures of a steel vs. an iron crank? I have a pristine 1CM crankshaft and would hate to "waste" it on a street engine if it is something special.
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I don't have any pics of that.
I haven't used OEM cranks for many years.
The spark test is more reliable.
Take a die grinder with a 1 inch diameter stone in it and see what the sparks look like. Bear down so the sparks are bright. A cut off wheel might produce brighter sparks. Try that also.