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Perfdavid · 09-20-2011, 03:17 PM

I know there are numerous threads on backfiring and have read most of them.
I was getting some frequent pops when I really tried to put the pedal to the floor.
I notice a lot of people commenting that this type of problem could be timing or the float in the carb. However, I tried some common easy steps first and this is where my question comes in....
I opened up the gav more than it was, around a turn and 1/2.
I also quit leaving the spark all the advanced and put it 3/4 down.
The thing I am not sure about is that I adjusted the idle screw on the zenith.
I screwed it in all the way then opened it about half a turn. This seemed to really help the idle on the engine. After driving it for about 30 mins I had only one backfire but it seemed to have more get up and go.
Should I just run it lie this or is this not the solution? Should I go ahead and open up the carb and adjust the float?
Thanks

09-20-2011, 03:17 PM	#1
Perfdavid Member Join Date: Sep 2011 Location: Louisiana Posts: 54	Idle screw and backfire I know there are numerous threads on backfiring and have read most of them. I was getting some frequent pops when I really tried to put the pedal to the floor. I notice a lot of people commenting that this type of problem could be timing or the float in the carb. However, I tried some common easy steps first and this is where my question comes in.... I opened up the gav more than it was, around a turn and 1/2. I also quit leaving the spark all the advanced and put it 3/4 down. The thing I am not sure about is that I adjusted the idle screw on the zenith. I screwed it in all the way then opened it about half a turn. This seemed to really help the idle on the engine. After driving it for about 30 mins I had only one backfire but it seemed to have more get up and go. Should I just run it lie this or is this not the solution? Should I go ahead and open up the carb and adjust the float? Thanks Last edited by Perfdavid; 09-20-2011 at 03:22 PM.