I install new head gaskets and one new head but.

Tiny
RJAJRJ2005
  • 2002 CHEVROLET IMPALA
  • 132,000 MILES

I install new head gaskets and one new head but when I tighten the rocker arms the valve stays open

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Sunday, December 16th, 2012 AT 2:57 PM

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Tiny
HMAC300
  • EXPERT
  • 45,785 POSTS

Did youi install them 14 ft lbs plus 30 degrees? If not that may be why. If this is a 3.4Lif a 3.8 it's 15 NM + 90 degrees.

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Sunday, December 16th, 2012 AT 4:48 PM

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