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backfire throgh carb and no power under load

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Old 06-27-2012, 12:03 AM
  #11  
mpissaquah
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ii is timmed at 8 degrees BTDC. Also ssems to be seetist spot when at idle. Is there something that controls (and adjustable) the amount of advance? The vacume also low at 12-14
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Old 06-27-2012, 09:49 PM
  #12  
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it is set up with the 351 firing order
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Old 06-28-2012, 01:58 PM
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Originally Posted by synthartist69
It can be a lot of things. However, one simple thing that it could be is the carb to intake gasket worn. Tightening the carb will not always solve this, you may need a new gasket. I had the same issue and went through the timing etc. and it ended up being the carb gasket.
Thanks! I have replaced the carb with a new gasket to no avial
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