I tried to shift from 3rd to 4th but accidentally got 2nd. The problem with that is if you shift at red line from 3rd, which is about 7000RPM, and you shift into 2nd and let the clutch out, the tires force the engine to spin at about 9500RPM!!!
Bad things happen when an engine is over-revved in such a way. The most common thing is that the valve springs don't exert enough force to close the valves fast enough so a piston or two end up colliding with the partially open valve which typically breaks the valve.
Cantrell Motorsports dropped the motor out of the car last week and performed a leakdown test which shows that 2 cylinders have likely been damaged. So, on we go with tearing down the engine to fix broken bits; and take the opportunity to upgrade a few :)
As you can imagine, this is all going to cost a wee bit of money; hence the term "money shift"... ugh.
Here is the sad photo of the motor below its proper home (the under-exposure is intentional to convey to mood):
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