Click me, I get bigger
1. Yes, I'm an idiot.
2. Yes, it's crushed/cracked.
3. See #1.
4. Yes, I already ordered a Park Tool TW-1 Torque Wrench and bits.
5. See #1 and #3
6. LBS said "No offense, but I think you already know that at your size, that could fail pretty badly on you. That is not rideable even for me." LBS guy is maybe 145 lbs soaking wet.
This is what happens when you think you can estimate how tight 5-7 N-m is by hand. You can't. Well, I can't, anyway.
Should be around a $100 lesson I just learned, plus the $50-odd bucks for the torque wrench & bits. All to save the $50 in the first place. What;s that old saying? Penny wise, pound foolish? Hi. That's me today.