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Broken lifter for me, John got it almost fixed for the 2:00 race, but tonite the nose comes off to retime the cam.. hopefully we’ll be back for tomorrow<br>
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<blockquote type="cite">On May 13, 2022, at 2:06 PM, marty sukey via Fot <fot@autox.team.net> wrote:<br>
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My Jefferson 500 weekend has been cut short by a broken crankshaft key. Post break inspection in the paddock shows some weird stuff going on. The key itself only engaged into the crank sprocket for a length of about 3/16 to 1/4 inch. It is at this point where
it sheared off. The crank is a NOS Moldex that was made probably 25 years ago. I installed it a couple of years ago, it probably has 3 race events on it. When I look at the location of the keyway in the Moldex crank and compare it to a stock Spitfire 1296
crank it looks like the keyway has been machined about 1/4 inch forward on the Moldex. I did not pay any attention to this upon assembly, never gave it a thought. This did not allow for enough engagement into the crank sprocket me thinks. My thoughts are to
have a new keyway machined into the crank farther back. Has anybody else seen anything like this? The Jefferson 500 was not kind to Spitfires. 3 for 3 went down for the count due to issues.</div>
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<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
Marty</div>
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