Occasional valve lifter noise - anoter EVO mystery?
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Road Captain
Joined: Nov 2007
Posts: 517
Likes: 6
From: Ottawa, ON
Can the worn out nose cone bushing do that - result in a lower pressure towards lifters?
I have a pretty strong suspicion (based on previous events) that the bushing is not in good shape!
I have a pretty strong suspicion (based on previous events) that the bushing is not in good shape!
Outstanding HDF Member
Joined: Oct 2010
Posts: 2,706
Likes: 14
From: Near Frankenmuth, MI
I'll bet the noisy lifter is going to be the front cylinder exhaust.
Seems you know what you're doing. I'm going to suggest a lubricating product I use and it's quieted down the tapping noise so many hear and can't get past it being normal.
Try a $12 bottle of Lucas Oil Stabilizer. I've mentioned it before, and often because it takes the noise right out of the valve train (unless there is something seriously wrong). Honestly I don't get anything from suggesting this other than it worked for me and the typical noise issue. I'd rather add this than be stressed over the noise a valve train can make, keeping you on edge something is wrong.
I have had many long time EVO mechs point out the motor is "out in the open" and you are bound to hear it operating. And they tell me to stop obsessing over it... LOL
Seems you know what you're doing. I'm going to suggest a lubricating product I use and it's quieted down the tapping noise so many hear and can't get past it being normal.
Try a $12 bottle of Lucas Oil Stabilizer. I've mentioned it before, and often because it takes the noise right out of the valve train (unless there is something seriously wrong). Honestly I don't get anything from suggesting this other than it worked for me and the typical noise issue. I'd rather add this than be stressed over the noise a valve train can make, keeping you on edge something is wrong.
I have had many long time EVO mechs point out the motor is "out in the open" and you are bound to hear it operating. And they tell me to stop obsessing over it... LOL
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Road Captain
Joined: Nov 2007
Posts: 517
Likes: 6
From: Ottawa, ON
How much of this stuff should we add? Do I have to drain some oil before that?
Outstanding HDF Member
Joined: Oct 2010
Posts: 2,706
Likes: 14
From: Near Frankenmuth, MI
jokenroll,
Depends on how low your oil is now. But a half a bottle would certainly give you a good test. Hopefully you have that much room to spare in your tank. If not just add as much as you can and see ... I mean, hear the difference.
Depends on how low your oil is now. But a half a bottle would certainly give you a good test. Hopefully you have that much room to spare in your tank. If not just add as much as you can and see ... I mean, hear the difference.
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