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Backfires after spraying?

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Old 06-17-2010, 07:47 AM   #1
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Default Backfires after spraying?

Is it normal to get a lot of backfiring after a nitrous run?
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Old 06-17-2010, 01:40 PM   #2
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Can you be more specific... You should not have backfires...

What does your set up consist of and is it back firing through the intake or exhaust.

Dave
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Old 06-17-2010, 01:43 PM   #3
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It backfires through the exhaust 75% of the time after making a run on the spray and some are pretty good POPS!
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Old 06-17-2010, 01:56 PM   #4
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Is it a directport?
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Old 06-17-2010, 02:10 PM   #5
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No, i have your plate.
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Old 06-17-2010, 02:23 PM   #6
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Mine does the samething
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Old 06-17-2010, 06:08 PM   #7
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Sounds like unburned fuel lighting off in the headers.
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Old 06-17-2010, 06:49 PM   #8
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The poping through the exhaust is normally unburned fuel. What is your airfuel ratio on the bottle?
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Old 06-17-2010, 10:33 PM   #9
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Quote:
Originally Posted by Nitro Dave's Nitrous Outlet View Post
The poping through the exhaust is normally unburned fuel. What is your airfuel ratio on the bottle?
Dave
I thought it was probably unburned fuel as well. Not sure what the afr's are on the bottle, its been a while since i was on the dyno. I'd have to find my last dyno sheet and look. I haven't changed anything since then.
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Old 06-17-2010, 10:38 PM   #10
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Quote:
Originally Posted by 01SOMZ28 View Post
I thought it was probably unburned fuel as well. Not sure what the afr's are on the bottle, its been a while since i was on the dyno. I'd have to find my last dyno sheet and look. I haven't changed anything since then.
You dont have a wideband or a means to log anything?
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Old 06-17-2010, 10:51 PM   #11
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Quote:
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You dont have a wideband or a means to log anything?
...no.... I live life on the edge. I haven't had a wideband or anything to long the last 2 1/2 years i've had the nitrous on the car. Although i have been looking into getting a wideband here recently...
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Old 06-18-2010, 07:31 AM   #12
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Pulled your plugs to look?
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Old 06-18-2010, 01:55 PM   #13
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I'd make a pull and then kill the car and pull some plugs to see where your at on fueling. The plugs are going to be the best way to find out without a wideband cause the plugs are the all tell.
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