check your headers!

Discussion in 'Pit Buzz' started by Will Hanna, Mar 22, 2004.

  1. Will Hanna

    Will Hanna We put the 'inside' in Top Alcohol
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    for those of you wondering what happened to us (jason cannon) in r2, a cracked header got by us. it blew the tube completely off about 150 ft out. from what we could diagnose, it then dropped the exaust valve, got very lean, melted the piston, kicked the rod, etc. not to mention cost us any chance of winning the round.

    we'll be thrashing trying to get ready for montgomery in 2 weeks. hopefully bae will get our blocks repaired in time (we torched the other at the divisional). until then..
     
    #1
    Will Hanna, Mar 22, 2004
  2. Rapid Randy AA/FA

    Rapid Randy AA/FA Comp Eliminator

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    Thanks for the up-date Will. Hope you get it together in time. :cool:
     
    #2
    Rapid Randy AA/FA, Mar 22, 2004
  3. M Tigges

    M Tigges TAFC

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    SCREW BLOWERS.NOT EVEN SPRING YET AND REPAIRING 2 BLOCKS,NO OFFENSE WILL BUT THIS IS REDICULIS,WE PUT ON A NEW SCREW LAST YEAR AND RAN WELL BUT IT JUST WEARS EVERYTHING OUT SO FAST,WE SOLD IT AND WENT BACK IHRA RACING.
     
    #3
    M Tigges, Mar 22, 2004
  4. Will Hanna

    Will Hanna We put the 'inside' in Top Alcohol
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    mark,

    our parts breakage has nothing to do with screw blowers. would have happened no matter what kind of blower was on it.

    first block we torched, intake adjuster broke about half track. when you run any kind of blown car on the edge, and then put more boost b/c of the broke intake adjuster, then you're probably going to burn something. in our case it was a torched headgasket and block.

    the second block we hurt was due to the header situation mentioned above. again, i feel if you were running a roots on the edge, you would have the same results.

    our parts breakage hasn't been tune-up related. or blower type related.
     
    #4
    Will Hanna, Mar 22, 2004
  5. DHE

    DHE New Member

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    Will,check the port nozzle for blockage.I don't think a header pipe falling off would lean the cylinder.We had a grain of sand get in a nozzle and it did the same thing!
    Dale Hill
     
    #5
    DHE, Mar 22, 2004
  6. nick bell

    nick bell TAFC

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    Hey if you think a grain of sand is a pain how about a piece of silicon that blocks a nozzel and bangs the blower but everytime it bangs the blower and burns the piston the silicon moves to another cylinder and hurts that piston the next run...happened to us that wasnt fun to figure out.
     
    #6
    nick bell, Mar 22, 2004
  7. Wendland

    Wendland Guest

    One time, in band camp........ [​IMG]
     
    #7
    Wendland, Mar 23, 2004
  8. Will Hanna

    Will Hanna We put the 'inside' in Top Alcohol
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    i certainly plan to check the nozzles, but the theory is this:
    header tube falls off - extreme difference in temperature of exaust valve causes valve to break off (valve head found in pan), now on intake stroke, cylinder is sucking air thru exaust port in addition to having air forced from intake. cylinder temperature rapidly exceeded 1200 deg melting point aluminum.

    keep in mind, we're not talking about the tube kinda being broke, the tube flew off the car. so we're talking about air probably 1000 degrees cooler hitting the valve all of a sudden.

    unfortunately the aftermath is just theories. this thread wasn't intended to start a bash session. i was just offering some information, and a friendly reminder to check one of those things that sometimes, as in our case gets overlooked.

    rest assured we'll be some header checkin fools from now on. among other areas, our nightly checks will get much more in depth.
     
    #8
    Will Hanna, Mar 23, 2004
  9. Ken Sitko

    Ken Sitko Super Comp

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    I was wondering what would happen if a tube fell off. We were racing in Spokane last season, and noticed just before the final round that one tube was broke completely off. I managed to scrounge up another header in time, but I was planning to run without one tube if I had to. Maybe I was lucky I didn't.
     
    #9
    Ken Sitko, Mar 23, 2004
  10. nitrohawk

    nitrohawk New Member

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    Will,
    I think you might be a little off base with your series of events that caused a borken valve and burnt piston. You need to think about this some more and seek some solid advice before ruling out other possibilities.
     
    #10
    nitrohawk, Mar 23, 2004
  11. KJC

    KJC Authorized Merchant

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    Hey Mark, Why do you always think the psi brake part? LOL! Kevin Cantrell.
     
    #11
    KJC, Mar 23, 2004
  12. SPIKE

    SPIKE New Member

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    Will,
    See now, if you would of had one of my overboost saftey valves on there, you would only have to fix one block...
     
    #12
    SPIKE, Mar 23, 2004
  13. jb

    jb New Member

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    hey spike, what's going on. haven't talked to you in a while. hope everything is great. call me if you come to houston. keb and i will be on the sidelines for awhile unless we find several bags of $100's. talk to you soon. john
     
    #13
    jb, Mar 24, 2004

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