I just had the heads serviced and I can only get.

Tiny
ICY360
  • 1999 CHEVROLET S-10
  • 235,000 MILES

I just had the heads serviced and I can only get compression when the rocker arm nuts are loosened less than zero lag. I have full compression when the nuts are loose, but when I tighten them any more than finger tight I lose all compression. This is only accruing on the number one cylinder. I think the lifters are stuck but I am not sure. The valves have a positive stop on the rocker arm studs. Any help would be greatly appreciated.

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Thursday, November 29th, 2012 AT 10:53 PM

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