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08-04-2013, 03:10 PM
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#1 |
 
Drives: 2013 2SS / RS / 1LE Join Date: Jul 2013
Location: Texas
Posts: 48
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Nitrous backfire
Just wondering what causes a nitrous backfire??? I saw some pretty bad ones on YouTube, I got custom plate kit ordered from nitrous outlet I got all the bells and whistles with it cause I want to make sure it's top of the line and done correctly....bottom line I don't want a nitrous backfire happening to me, any tips or info will help.
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ITS A WORK IN PROGRESS
SIMPLE QUICK RACING TUNED BY DANIEL TIMMONS @ SQR |
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08-04-2013, 03:39 PM
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#2 |
       Drives: CGM,twin turbo, cam 2010 SS/RS Join Date: Mar 2011
Location: ROCKMART, GA
Posts: 2,185
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Make sure it's hooked up correctly and both noids are working and its jetted correctly.
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08-04-2013, 03:53 PM
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#3 |
 Drives: 2010 camaro ss l99 Join Date: Apr 2013
Location: oklahoma city
Posts: 224
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havent heard of 5th gens having any real issues with backfiring
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 TSP vvt-1 cam, Headers-catless xpipe, Knn intake 417/422 Nitrous 100 wet shot 520/585 Racestar super 94 17x4.5/17x9.5 highest trap to date 120.6mph 12.0@spinfest. rage |
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08-04-2013, 07:59 PM
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#4 |
 
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Don't activate it below 3000 rpm.
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08-06-2013, 01:59 PM
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#5 |
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Drives: 2010 2SS Join Date: Jan 2013
Location: Corpus Christi TX
Posts: 634
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Alot of times it happens when used at too low of a RPM.
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08-06-2013, 02:09 PM
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#6 |
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waiting at the tree
Drives: SIM 2010 2SS/RS A6 Join Date: Apr 2013
Location: Niagara Falls
Posts: 3,122
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Fuel puddling in a dry manifold is the usual culprit on our cars.
A leaking fuel solenoid can cause this.
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2010 2SS/RS A6 ZL1 Rims
60ft 2.03 13.08 at 107.82 (4/28) 2009 Pontiac G8 3.6L the DD |
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08-06-2013, 04:05 PM
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#7 |
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Drives: Fast! Join Date: Mar 2013
Location: Waco TX
Posts: 62
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Not having a window switch causes a lot of backfires. Spraying at too low of an rpm or tagging the rev limiter will usually do it. Another reason is the tune up not being right. Too much timing can cause detonation and a backfire.
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08-06-2013, 09:08 PM
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#8 |
Drives: 2011 Inferno Orange SS Convertible Join Date: Apr 2012
Location: Tyrone, PA
Posts: 640
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Too lean. The more you spray the lower the AFR needs to be. Alot of people don't do this and end up with a lean backfire on a fairly large shot.
Spraying at too low of an rpm. Advancing the timing during dialing it in passes without rich ending the mix. If you run it and the AFR is good then you decide to add a couple degrees of timing back in, it will then be lean. Bad intake design. Not really a concern for the LS based engines.
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2011 SS IOM Vert. ECS Vortech 13+ psi, Water/Meth, ID850’s, ZL1 pump with MSD Voltage Booster, 2800 stall, LT headers, Drag radials, Drag alignment, Cradle Bushings. A million other supporting mods. Tuned by Ted.
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