the crank bolt is not designed to be used twice. obviously many people do without any issues; but that's up to you!
two different style crank bolts with different torquing procedures. see the pdf from pace performance for all torque specs.
Crankshaft Balancer Bolt – New Bolt with Flanged Head
• First Pass: 120Y (89 lb ft)
• Second Pass: Loosen 360 degrees
• Third Pass: 80Y (59 lb ft)
• Final Pass: 125 degrees
OR
Crankshaft Balancer Bolt – New Bolt with Retained Rotating Washer
• First Pass: 120Y (89 lb ft)
• Second Pass: Loosen 360 degrees
• Third Pass: 80Y (59 lb ft)
• Final Pass: 200 degrees
https://paceperformance.com/files/pd...rque-specs.pdf