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Collapsed Lifter ?

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Black94DSM

15+ Year Contributor
815
27
Jan 17, 2006
Madison Heights, Michigan
Ok so i have a question for you guys who have ever had this happen to you. About 3 or so weeks ago i was at the local drag strip making some passes. One of my passes I just so happend to find 2nd gear instead of 4th. DsmLink logged some high 9,8XX rpm! OUCH!!!!

Now the car is making some fluttering noise upon load. Somewhere around 3,500 or more rpm. It sounds alot like an exhaust leak, but I know its not. I took the valve cover off thinking that i possibly broke a spring or maybe even a rocker or something. From what i seen in there, nothing is harmed. The only thing else that i can think of is going to be a collapsed lifter, or a few. If that is the case, will it make this fluttering noise im hearing ? The car still drives fine, seems to make the same amount of power as it did before.

What would be the simptom of a collapsed lifter ?

I've already did a compression test and all of my cylinders are comming up with 145 psi cold. I have comp 200 cams, so i dont know if this is normal or not. I belive i had 150 before this all happened on a warm motor, so its still withen range.


A little help in understanding whats going on is all im asking. Becasue i am puzzled right at the moment.


Thanks in advance,

~Bob
 
To futher more show what actually happened.

Here is a pic of what went on in the motor.
Shavings in the oil, and even a few good chunks.
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#2 Rod Bearing was toast!!
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Pic of the Thrust Bearing which didnt have an easy time either. And the #2 Rod Journal.
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That's what actually happened.

Just bringing some closure to the thread.

Thanks
~Bob
 

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