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Thread: Nitrous backfire Q

  1. #1

    Nitrous backfire Q

    Some of you guys are running n20 throttle plate wet kits from what Iíve seen in the ďmy garageĒ section, how many of you have had a n20 wet back fire? Iíve seen pics of ls1 intakes after a back fire and there blown apart, is the damage as bad with a truck intake manifold?

  2. #2
    Join Date
    Oct 2009
    Location
    Reidsville, Georgia
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    I had a back fire once when i was still using my shark nozzle, but it was my fault. backfired on #7 and blew the back of the intake apart and broke the oil sendin unit. if the tune is on usually, no worries
    2000 2-toned silverado, Totalled. Gone But not Forgotten.

    Now: 2002 black rcsb chevy. 5.3, P&P 862's, Comp 224/230 .58*/.59* 114 LSA, Racetronics 44lbers, ARP 2000's, Ebay long tubes, 4L80E, 3800 yank pro, transgo HD-2, 4.10's, True-Trac, Walbro 255, Nitrous Outlet plate setup for 200, 80mm BBK, 3" Magnaflow, and Raggedy traction bars! Waiting to be istalled, F.A.S.T LSx intake..........

    Best: 7.40@90 1/8th

    Tuned by: DIXIE PERFORMANCE

  3. #3
    thanks for the reply man. why was it you fault?

  4. #4
    Join Date
    May 2008
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    Crowder, OK
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    Quote Originally Posted by 00buckshot View Post
    I had a back fire once when i was still using my shark nozzle, but it was my fault. backfired on #7 and blew the back of the intake apart and broke the oil sendin unit. if the tune is on usually, no worries
    and ONLY SPRAY at WOT above 3k rpms

    1969 Chevy RCLB C10 350/TH400 SOLD
    2007 Chevy RCSB 4.8 4x4 LS SOLD
    2008 Chevy RCSB 5.3 4x4 LT SOLD
    2010 Chevy CCSB 6.2 4x4 LT SOLD
    2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
    2013 FORD CCSB F350 6.7 Powerstroke 4x4


  5. #5
    Join Date
    Apr 2008
    Location
    Birmingham, AL
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    the tune causes backfires?
    01 Silverado

  6. #6
    Join Date
    May 2008
    Location
    Crowder, OK
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    Maybe that's what caused fight fighter Jeffs truck to burnt to the ground..


    and that is the epitome of irony.

    1969 Chevy RCLB C10 350/TH400 SOLD
    2007 Chevy RCSB 4.8 4x4 LS SOLD
    2008 Chevy RCSB 5.3 4x4 LT SOLD
    2010 Chevy CCSB 6.2 4x4 LT SOLD
    2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
    2013 FORD CCSB F350 6.7 Powerstroke 4x4


  7. #7
    Join Date
    Oct 2009
    Location
    Reidsville, Georgia
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    No, smart ass, I was just tryin to reassure the guy, i said the backfire was my fault, so dont get sarcastic on me
    2000 2-toned silverado, Totalled. Gone But not Forgotten.

    Now: 2002 black rcsb chevy. 5.3, P&P 862's, Comp 224/230 .58*/.59* 114 LSA, Racetronics 44lbers, ARP 2000's, Ebay long tubes, 4L80E, 3800 yank pro, transgo HD-2, 4.10's, True-Trac, Walbro 255, Nitrous Outlet plate setup for 200, 80mm BBK, 3" Magnaflow, and Raggedy traction bars! Waiting to be istalled, F.A.S.T LSx intake..........

    Best: 7.40@90 1/8th

    Tuned by: DIXIE PERFORMANCE

  8. #8
    Join Date
    Apr 2008
    Location
    Birmingham, AL
    Posts
    3,626
    oo, sorry! ill take the internets more seriously next time!
    01 Silverado

  9. #9
    Join Date
    Nov 2007
    Location
    THE MEAN STREETS OF OKLAHOMA
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    Ive only had 1, and it took like 3 years and it was my fault, first of all it was minor all it did was blow my cold air intake off so no biggie, how it happened is after my pass while letting off the gas I didnt let go of the button
    THEY CALL ME G.

    AZRAEL
    01 GMC REG CAB BUILDING
    06 SILVERADO SS 80E 3200 YANK LS3 TOP, DD
    2013 POLARIS RANGER CREW LE EPS

    The difference between winning and losing, is having a 2nd stage.
    Quote Originally Posted by A PATRIOT View Post
    "MOLON LABE"

  10. #10
    from what ive read a back fire is caused by:
    1: lean running condition (ie bad tune/ distance between the fuel node and fogger)
    2: poor choice in temp range spark plugs
    3: what g just added
    4: lunching under n20
    5: applying under 3000 rpm or spraying into rev limiter
    have i missed any?

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