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Carb Backfiring

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Old Jul 4, 2009 | 08:30 PM
  #1  
smoothjazz's Avatar
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Carb Backfiring

Hi All,
A friend of mine who has a 83 z-28 305 motor just told me that his carb is backfiring.He mentioned that his first carb failed,and he replaced it with a Edelbrock 650.I told him its sounds like his tiiming is off.Any other ideas to through at him?
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Old Jul 5, 2009 | 12:01 AM
  #2  
Rolling Thunder's Avatar
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From: CT
Car: 86 T/A, 83 Z/28
Engine: 5.0 TPI, 350 2 X 4 bbl
Transmission: 4 speed auto, 5 speed manual
Axle/Gears: 3.23 posi, 3.73 std
Re: Carb Backfiring

Timeing and a lean mixture are 2 common causes for back fireing in the intake. Ide like you suggested check the timing then look for vacuum leaks. Any particular time the back fire occures?
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Old Jul 5, 2009 | 06:12 AM
  #3  
smoothjazz's Avatar
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Re: Carb Backfiring

he didnt tell me.i think its the carb he is using.he has the same year z-28 as mine(1983) and motor(305).he is trying to put a edelbrock carb on his car,and it wont work due to his dist is setup for a ccc carb.
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