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Old 07-02-2012, 08:26 PM
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Damage??

Before putting my 427 engine in, I wanted to make sure that my timing tape was dead on, so i used a Piston stoper to make sure, well i put my piston stopper a little to far in and i think i hit the valves, the threads on the piston stoper are nicked, i'm worried i might of done damage to one of valves??

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Old 07-02-2012, 08:58 PM
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I doubt you did any damage, is this a hydraulic cam? And you were turning it slowly by hand? I would do a compression check just for peace of mind and pull the valve covers and have a look around.
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Old 07-02-2012, 09:19 PM
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Originally Posted by 68NovaSS View Post
I doubt you did any damage, is this a hydraulic cam? And you were turning it slowly by hand? I would do a compression check just for peace of mind and pull the valve covers and have a look around.
The engine was just rebuilt with Edelbrock Aluminum RPM Heads, and the engine has not ran yet, yea i was turning it by hand, i had the valve covers off when doing it, i didn't see anything, what should i look for?
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Old 07-02-2012, 09:27 PM
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The only thing you could possibly see is a valve sticking open, or a bent pushrod. It doesn't look like you hit hard enough for any of that. JMO
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Old 07-02-2012, 09:30 PM
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Yea good idea, well i thought of buying a inspection camera, i can get one with a 9.5MM camera head, so i will check it out tomorrow
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Old 07-02-2012, 10:07 PM
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and yes it is a roller cam
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Old 07-02-2012, 10:53 PM
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Next time loosen off the rockers completely on that cylinder before installing the piston stop.
Yes you may have bent a valve.
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Old 07-03-2012, 05:26 AM
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damage

do a leak down or comp test.you could put compressed air into that cyl and listen for air leak if you dont have comp tester or leak down gauge
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Old 07-03-2012, 07:12 AM
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I did the same exact thing with mine. I never took it apart but it has 10k miles on it since. I was using it to check timing like you(TDC) Then I would just unsecrew it and rescrew it As it go closer after that to check it. I can't say you did not hurt anything but I don't think I did Good luck
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