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can't find cause of misfire

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  #31  
Old 07-10-2011 | 04:56 PM
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Bullitt390
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Originally Posted by mark a.
The power brake booster gets it's vacuum by that intake port. Try plugging the booster hose off and see if it clears up.
Good question, I was wondering where the main vacuum port would be on a 335 series engine as that could easily influence one particular cylinder.

Josh
 
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  #32  
Old 07-10-2011 | 05:50 PM
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and the verdict is in.....vacuum line that ran to the cab to run the hvac. the servo, hvac, and booster all run to a vacuum tree. ran one at a time and sure enough. for all yall giving their input... thank you.
 
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  #33  
Old 07-10-2011 | 07:57 PM
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thats great glad to hear you found the problem
 
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  #34  
Old 07-10-2011 | 10:05 PM
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Yeah I was right WOOOO!!!!!
 
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