need help adjusting carb

1985 GMC SIERRA
58,000 MILES
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ZBURNETT
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  • 1 POST
85 Sierra 350 4 barrel, distributor keeps backing off even when i tighten the hell out of the nut. What's up with that? aftermarket carb, stock manifold, I can adjust it and it is ok until i goose the throttle or i have driven for a couple days. But either way it backs off
Nov 23, 2011 at 5:40 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Is the bolt coming lose? Is the mount bent?
Nov 23, 2011 at 5:42 AM
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