1980 Ford F-450 severe missing

1980 FORD F-450
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TLCITSME
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Engine Mechanical problem
1980 Ford F-450 V8 Manual

my friend has a late model Ford dump truck that has a severe miss in it, when kicking in the secondaries. The carborator has been rebuilt, and is not the problem. Please help with any suggestions.
Jun 3, 2010 at 4:58 PM
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RASMATAZ
  • ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Inspect and test every ignition components or the tranny could be slipping
Jun 3, 2010 at 5:10 PM
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