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Weird thing happened after spraying! ?

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Old Aug 22, 2006 | 01:39 PM
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Default Weird thing happened after spraying! ?

I wanted to get some AFR logs with my LM1 on nitrous so I took the car out and made a couple of passes. On one of the passes I noticed my exaust pop on deceleration. Didnt think a whole lot of it but once I pulled in the driveway to pull out the bottle, after killing the motor I wanted to start it up again and pull it in the garage and it didnt want to start. I hit the key again and it turned over just fine but wouldnt pop to life. I panic'd and poped off the air lid expecting to see dripping gas or something (wet kit) but everything looked ok & I smelled a little faint gas smell but nothing I thought was out of the ordinary. I then got back in the seat pressed the throttle all the way like you do when you carb'd car is flooded and after about 3 seconds it started up and smoothed out. I have since took apart all the solenoids,the nitrous filter, cleaned everything and sprayed again with no problems. My AFR on the bottle before this weird occurrance and after is 10.2.1 to 10.8.1 . What happened here? I know I'm slightly rich on the bottle for a 100 shot but not enough to cause the car to flood.
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Old Aug 22, 2006 | 01:58 PM
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BTW the bottle pressure was @ 950 PSI, I run TR-6's, & run 34* total but take out 6* when on the spray.
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Old Aug 22, 2006 | 02:27 PM
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Might not be the problem but you might want to check your plugs and see what they look like .
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Old Aug 22, 2006 | 02:32 PM
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yeah when you hold the gas while starting it the pcm wont add any fuel itll just burn the gas already in there
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Old Aug 22, 2006 | 02:58 PM
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Originally Posted by macknmikey
yeah when you hold the gas while starting it the pcm wont add any fuel itll just burn the gas already in there
My point exactly.
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Old Aug 22, 2006 | 03:02 PM
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Originally Posted by 2001z
Might not be the problem but you might want to check your plugs and see what they look like .
They did get sooted up pretty fast, I only have about 100 miles on them and there very black but my AFR is 14-16 while cruising or at idle. The only time the afr is rich is when it's warming up, about 2 minutes the afr is 11-12 but the moment you open up the throttle good it goes stoich if not more lean.
cant figure it out.
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