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Old Sep 7, 2003 | 06:05 PM
  #1  
cwethy's Avatar
cwethy
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From: Haslett, MI
Carb problems

Have a 1978 F100 with a 351M that backfired thru the carb and had no acceleration. The distributor was stuck so we couldn't adjust timing so I have replaced that and reset the timing. We also rebuilt the carb but it still doesn't feel right. I wonder if I have the carb adjusted right. It was my first carb rebuild. How should I adjust the carb and fuel mixture screws. Go all the way in and then back em out? How far out? Anything else I might look for?
Thanks for any help..
 
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Old Sep 7, 2003 | 09:32 PM
  #2  
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From: The Big, Oregon
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Carb problems

Sounds like the timing chain jumped. How far out was the timing before you pulled the distributor? Did the poor running happen suddenly, or gradually over time?
 
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Old Sep 8, 2003 | 12:22 AM
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cwethy
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From: Haslett, MI
Carb problems

It was by brother in laws and I always thought it was a dog but figured it was in the timing. I never checked the timing before pulling the distibutor so not sure about that. I did notice that after I reset the timing it seemed ok but then it died and started real hard so am going to check the timing to see if it changed.
 
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