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Thread: hot headers

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  1. #1
    Join Date
    Nov 2007
    Location
    canada
    Posts
    61

    hot headers

    hey does anybody know why my hheaders would get red hot (glowing) on the dyno it has never done that before should I be worried?

  2. #2
    Join Date
    Jan 2008
    Location
    burlington,Co
    Posts
    290
    running too lean?
    2008 Trailblazer SS 2wd red jewel 1ss
    Forged 365,Tvs1900@11psi,IW 8 rib overdrive,duel pass heat ex,Prc heads,blower cam,Yank,Aeromotive,ect

  3. #3
    Join Date
    Nov 2007
    Location
    canada
    Posts
    61
    no the air fuel ratio was a lil rich

  4. #4
    Join Date
    Feb 2008
    Location
    Alabama
    Posts
    516
    I've never seen that before but ii've seen a cat get that hot from being pluged

  5. #5
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    burned valves or very thin tubing
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  6. #6
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    Yeah, I would go with thin tubing... What headers do you have?

    2000 ECSB 6.0L
    TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's

  7. #7
    Join Date
    Nov 2007
    Location
    canada
    Posts
    61
    Quote Originally Posted by txarkitekt View Post
    Yeah, I would go with thin tubing... What headers do you have?
    ceramic coated pace setters no cats and complete 3" exhaust

  8. #8
    Join Date
    Dec 2007
    Location
    wichita falls, tx
    Posts
    3,067
    titanium header on my yfz450 glows red all the time...the people at the atv shop said it was normal...dont know bout it happening on a truck though
    ↓↓↓click pic to go to garage↓↓↓

    408, WCCHL92s, nelson tune,4L80e 3600 Circle D,
    Intro Radicalli's

  9. #9
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    Uh...that is still sounding weird to me...what were your engine temps at the time? Did the dyno shop have a large shop fan blowing air into your radiator while you were testing it?
    Having red hot headers is ok, i guess, but just don't let the plug wires--or any other wires for that matter--touch the headers...

    2000 ECSB 6.0L
    TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's

  10. #10
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,038
    You told me a/f ratio was 12.2 : 1, which is plenty safe. Now if the sensor the shop was using is old or inaccurate, it could be a lean condition.

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