You may have enough oil in the filter to send a sample out if you really care to find out what may have happened. You might want someone to mic the lifter bores to see if they've worn beyond spec.
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Brad Yost
1973 T/A (SOLD)
2005 GTO
1984 Grand Prix
100% Pontiacs in my driveway!!! What's in your driveway?
If you don't take some of the RACETRACK home with you, Ya got cheated 
  
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