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Hot Rods Ever see a piston spin sideways in a cylinder bore?

Discussion in 'The Hokey Ass Message Board' started by Chaz, Jan 27, 2011.

  1. At 201 MPH on the salt this big block chevy let go... The piston spun sideways in the bore tearing off the skirts, and splitting the piston in half. It's almost a perfect sphere. The rod was bent all to hell and the wrist pin bore oblonged. That's the top of the piston facing left.
    I've seen lots of gernaded engines, but this was a new one for me.

    Last edited: Jan 27, 2011
  2. temper_mental
    Joined: Oct 22, 2006
    Posts: 2,718

    from Texas

    What type of piston?
  3. henryj429
    Joined: Jan 18, 2007
    Posts: 1,050


    Yup, been there, seen that....on a single cylinder ATV engine in my case
  4. Zombie Duck
    Joined: Oct 6, 2010
    Posts: 101

    Zombie Duck

    Nope never seen one do that before, I hope they hang it up above a fireplace or something, talk about a conversation piece.
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  5. seen a piston in a semi diesel do that...
  6. Toymont
    Joined: Jan 4, 2005
    Posts: 1,367

    from Montana

    Not sure what brand piston but it was a big block chevy engine the rod was stock
  7. We were drag racing down in Phoenix one time, the driver reported the engine rattled after he crossed the finish line. He thought it broke a piston. We did a leak down test to find the bad hole. Pulled the head, the piston was sideways, I screwed a sheetmetal screw in the top of it and pulled it up out of the hole with a pair of vice grips. Broke the rod into just below the wrist pin.
    Joined: Nov 10, 2005
    Posts: 846

    from Holly

    Looks like an old TRW/Speedpro type piston from whats left.

    I had a customer bring in a 460 Ford for rebuild. The piston was like that. Plus the rod was folded over double and wadded up alongside the piston.

    "Shut er off when I heard the noise!"
  9. 42 chevy
    Joined: Nov 1, 2006
    Posts: 623

    42 chevy

    That is creepy looking. I would kind of like to see the cylinder it came out of or what is left of it. At 201 MPH that could have been scary. I blew up my first engine at 115 MPH and it threw a rod locking up the whole rear end. I was 16 and boy was that a ride.
  10. Deuces
    Joined: Nov 3, 2009
    Posts: 17,940

    from Michigan

    Here's one for ya's!!!.... How about a train that let one loose, goes flying through the air and inbed's it's self into a wall at someone's house??? No kidding! check out the pictures! :D

    Attached Files:

  11. Rock Island Rocket
    Joined: Sep 30, 2010
    Posts: 61

    Rock Island Rocket

    Wow i have never seen that unless the rod was broken! How much piston to cylinder clearance did you have?
  12. michaelmoore
    Joined: Dec 29, 2010
    Posts: 97


    now thats some kinda cool
  13. 32-3 WINDOW
    Joined: Nov 23, 2005
    Posts: 1,696

    32-3 WINDOW
    from utah

    mama always said stay away from trains , planes and other guys wives , i wouldnt want any of them coming thru my wall , thats wild
  14. Holy Shit!
  15. Deuces
    Joined: Nov 3, 2009
    Posts: 17,940

    from Michigan

    Yeah!! Glad nobody got hurt from that one... The train company paid in full for all the repair work...
  16. A Chopped Coupe
    Joined: Mar 2, 2004
    Posts: 1,133

    A Chopped Coupe

    Knock on wood I've never scattered a motor before.
    A friend has a 71 Camaro with BBC drag car and two stage 250 shot of NO2. While running for his NHRA license (it's a 9.50 car) he lost the motor on the top end and still coasted to a 10.20..............when he tore the motor down number 4 piston had now found a home on top of number 6 piston. Surprisingly nothing came outside of the block, but the inside was mess.
  17. 52pig
    Joined: Jun 9, 2007
    Posts: 436

    Member did you throw another one in and run?:D
  18. greaseguns
    Joined: Dec 24, 2006
    Posts: 135


    semi diesel!!!! its only diesel half the time ?? lol
  19. Deuces
    Joined: Nov 3, 2009
    Posts: 17,940

    from Michigan

    Scary when you think about it, huh?? :eek:
  20. gimpyshotrods
    Joined: May 20, 2009
    Posts: 16,422


    Sure, if it is a two-stroke diesel. Otherwise it is a quarterly diesel.
  21. thats a first for me.... however i did see an engine that had a piston upside down in the bore on a blown alky dragster.... imagine how THAT happened.
  22. Trophydash
    Joined: Mar 12, 2010
    Posts: 247

    from Tulsa, OK

    My x-uncle had an old Dodge pickup with a flathead that had done that, and have seen it in an old Super H tractor.
  23. jdj9410
    Joined: Sep 4, 2007
    Posts: 324

    from Paris TX

    Seen that. Also seen Hypers turn to powder and fill the intake. Had a bag of the debris on the bench for a long time, finally threw out cleaning up one day. Broke cranks in half. Had one fill pan with alky burn hole in piston. Literaly exploded and had to beat around bolts on VC's, time cover and pan to get apart. Made helluva cool fire. Whole sides of block come out and knock starters off. Stuff gets routine in racing after a long time and ya don't even keep stuff after awhile. But that train engine explosion was spectacular.
  24. Iceberg460
    Joined: Jun 6, 2007
    Posts: 880


    Haven't seen that before, but torn down a couple late model ford diesels and have found pistons missing, biggest chunk we found was about 1/2" across...
  25. You guys collecting other folks broken parts so you don't have to make your own?:D
  26. 94hoghead
    Joined: Jun 1, 2007
    Posts: 1,290


    unless its your house! those are big ass pistons!
  27. 94hoghead
    Joined: Jun 1, 2007
    Posts: 1,290


    Another offering to the gods of speed...........?
  28. Atwater Mike
    Joined: May 31, 2002
    Posts: 9,820

    Atwater Mike

    Big Daddy Don would've...
  29. Heo
    Joined: Jan 8, 2010
    Posts: 525


    Seen a pontiac 400 with a siezed piston pin that was almost there
    And my 351 Cleveland did that and cracked the cylinder
  30. banjorear
    Joined: Jul 30, 2004
    Posts: 3,774


    Dang, talk about incoming! Hopefully nobody got hurt over that one.

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