Thread: Boken camshaft

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  1. #1 Boken camshaft 
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    Hello everyone itsgreat to find this website.
    I have a 1997 grand prix GTP. It died at 80 mph on the highway the other day no hauled it to a shop and they told me the camshaft had broken completely in half. The lobes also broke off the journals so the whole engine had been destroyed because of this. They told me that they have had this problem with the 3800 engine before. I have never heard of this.
    Is this common on this engine? And could you tell me some possible causes so Incan avoid this ever happening again. Oil has always been changed regularly and I use only synthetic.
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  2. #2 Re: Boken camshaft 
    DUI BABY Bio248's Avatar
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    that is super UNcommon. ive never heard of that happening.
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  3. #3 Re: Boken camshaft 
    I live here. SlowNA06's Avatar
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    Never heard of it. Maybe your oil pump failed? Extreme overheating? Pics of the carnage, please.
    Last edited by SlowNA06; 07-28-2010 at 11:41 AM.
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  4. #4 Re: Boken camshaft 
    EX GTP OWNER shawngtp's Avatar
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    Its a scam i want pix. Dont get pimped dude.
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  5. #5 Re: Boken camshaft 
    I live here. SlowNA06's Avatar
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    Quote Originally Posted by shawngtp View Post
    Its a scam i want pix. Dont get pimped dude.
    Stuff does happen, but I'd agree that it sounds fishy... If it's even possible, it's extremely rare. But that garage has now seen it at least two times. Doubtful?
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  6. #6 Re: Boken camshaft 
    Bastard Reptile's Avatar
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    I've heard of it happening when it chucks a rod, and the rod slaps the cam.
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  7. #7 Re: Boken camshaft 
    Donating Users Lawngoose's Avatar
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    i'll sell you my old stock cam for CHEAP
    02 GTP 13.6 @ 100mph - SOLD
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  8. #8 Re: Boken camshaft 
    Turbo is the way to go. BillBoost37's Avatar
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    Obviously it can happen. It's quite uncommon though.

    And I can't think of anything that we could tell you to avoid it happening in the future. It's that uncommon. Out of say the 100+ motors, I've swapped....not one has killed a cam. Rods, bearings, valves and pistons are the more common issue points. Most of those are "driver" related.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  9. #9 Re: Boken camshaft 
    SE Level Member chev1988rolet's Avatar
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    a broken cam. maybe a crank but that does sound odd. if anything maybe just worn out lobes.
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  10. #10 Re: Boken camshaft 
    Donating Users Kejross's Avatar
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    ive heard the 3100's are common for snapin the cams, well not common but happens more than it should. but never heard of a 3800 doing it...
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  11. #11 Re: Boken camshaft 
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    I've never heard of it either. I told the shop I wanted the old motor back for spare parts. I'm going to take it apart to see what exactly happened. They are dropping a complete motor with 75000 miles on it, back in the car.
    They said the cam lobes broke the journals off in the block so we will find out soon hopefully. I will take pictures and put them on here as soon as I can.
    Please excuse the typos as I am doing this on an I phone that I'm not familiar with. Thanks for the help.
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