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K10 Runs Rough When Accelarating

  #1  
Old 02-25-2011, 07:36 PM
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Default K10 Runs Rough When Accelarating

I have a1980 K10 w/1973 350 4 bolt main motor that runs rough when accelerating. I have replaced the plugs, wires, distributor cap, fuel pump, coil & module. Cant seem to figure this out. Ran fine one day and then rough the next. Anybody got any ideas?
 

Last edited by sartainb; 02-26-2011 at 07:58 AM. Reason: forgot to add year and motor
  #2  
Old 02-25-2011, 08:13 PM
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What year, motor, etc?
 
  #3  
Old 02-25-2011, 08:22 PM
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Motor is 1973 350 4 bolt main - Truck body is 1980
 
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Old 02-26-2011, 08:01 AM
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Have you checked your timing?
 
  #5  
Old 02-27-2011, 09:31 AM
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Ignition timing or crank shaft to cam timing?
 
  #6  
Old 02-27-2011, 09:35 AM
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The heads have over sized springs, would that affect factory lifters over time? The heads were made for a high performance cam but I have factory cam installed.
 
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