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-   -   backfire though the carb (https://mustangforums.com/forum/5-0l-1979-1995-mustang/544099-backfire-though-the-carb.html)

1988TTOP 06-12-2009 09:51 PM

backfire though the carb
 
ok so i got the timming set a 10 degrees and the car runs great sitin there but when u put the pedal to the fool. she will. backfire though the front two barrels of the carb but if u easy onto the gas pedal she wont backfire

1988TTOP 06-12-2009 10:00 PM

the exhaust also smells like gas bad like it will clear u out out of the garage in a couple of minutes

67mustang302 06-12-2009 11:23 PM

Sounds like more than one problem. The carb backfire is probably too lean of a pump shot, and if it smells like gas at idle then the idle is too rich.

1988TTOP 06-13-2009 11:44 AM

ok so how do i fix that

JD1969 06-13-2009 11:46 AM

67 has it. I answered this question in your last thread.

1988TTOP 06-20-2009 02:33 PM

i fixed it my dumb ass didnt know u had to remove thevuc line from the dissy before u set the timing it was almost 20 degrees retarded she still falls on her face a little at wot

92tealcp 06-20-2009 07:05 PM

Flat face
 
What is the fuel pressure at WOT? What carb are you using? What did you set the timing at?

1988TTOP 06-21-2009 09:33 AM

holley 650 dp 10 degrees

HACKGT350 06-21-2009 10:15 AM

it falls on its face because its way too big of a carb you should be using a 600cfm. its too much fuel and the car is choking itself out in the top end.

1988TTOP 06-21-2009 10:24 AM

is there something i can do besides buy a new carb


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