failed cam - Team Camaro Tech
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post #1 of 5 (permalink) Old Mar 13th, 10, 08:43 PM Thread Starter
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corey
 
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Location: lethbridge alberta
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failed cam

Hey guys me and my buddie were just having a bit of a argument and I thought mybe you guys can help. We were talking about how long it would take for cam bearings to fail if installed wrong , If there was a problem with the cam or bearings would it go wrong in the initial break in or would the engine last for a little bit of time then konk out?
thanks in advance
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post #2 of 5 (permalink) Old Mar 13th, 10, 08:52 PM
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Wes
 
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Re: failed cam

Usually, a dozen other components will fail before cam bearings. They're not asked to do a heck of a lot.
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post #3 of 5 (permalink) Old Mar 13th, 10, 11:10 PM Thread Starter
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corey
 
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Re: failed cam

oh like the cam will get chewed up?
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post #4 of 5 (permalink) Old Mar 14th, 10, 01:21 PM
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Tim
 
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Re: failed cam

Quote:
Originally Posted by Straight-line-69 View Post
Usually, a dozen other components will fail before cam bearings. They're not asked to do a heck of a lot.
I agree with you, but cam bearings do crap out. I got too tough on one of the first ones I ever did my own bushings on(up until about 3yrs ago I just knocked em in with a solid driver but now I have a good driver), and crapped one out. First symptom is you won't like your warm oil pressure, then you'll notice you have sparkly oil. Then you pull the engine down and do it right. Mine happened fast, I doubt I even ran the thing 30 minutes. Didn't like my oil pressure so apart it came vs torturing it and expecting it to heal itself. All I had to replace was the one bushing(it was visibly worn and fubar), everything else was nice, and it ran a long time with great oil pressure.

I've seen pictures on the internet of cam bushings that have galded to the journal and spun in the bore but I've never had that on a car engine personally. Seen lots of industrial bushings do that though(not necessarily a cam bushing).

Tim Smith
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post #5 of 5 (permalink) Old Mar 15th, 10, 08:47 AM
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Wes
 
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Re: failed cam

Any component, if installed incorreclty, can fail including cam bearings. But if the engine is built right, the cam bearings will out-live most everything else in the engine. Again, not a lot is asked of cam bearings, unlike crank bearings, or valve-train, or piston rings, etc.
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