Why do the rocker arm bolts keep coming loose?

Tiny
ARMANDOCAMPA
  • 2000 PONTIAC BONNEVILLE

2000 pontiac bonneville that I changed the cylinder heads on and now the rocker arm bolts keep coming loose why is that? I have already tried lock tight

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Tuesday, August 21st, 2012 AT 11:18 PM

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Tiny
HMAC300
  • EXPERT
  • 46,998 POSTS

The threads may be worn out. And the spring pressure from the valves make them do that. They may have come out hard ans trippedthe aluminum away

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Tuesday, August 21st, 2012 AT 11:52 PM

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