Engine Mechanical Topics Discussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.

OEM cams

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Old Dec 8, 2021 | 07:04 AM
  #11  
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Is there a chance you can post a video of the noise. As for your 266 cam that is not a "Mid" cam. With a LSA of 111* it's all Mid to Hi rpm.. And as others have stated I doubt it's the cams. The woods 9B is more aggressive and can be tamed no problem...
 
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Old Dec 8, 2021 | 01:38 PM
  #12  
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The 266 should not be anymore noisier than the 640 or 622-3. My bet would be too heavy of springs.
 
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Old Dec 8, 2021 | 11:38 PM
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Today, after a conversation with my mechanic, I have decided to discontinue any further work on this bike, with the exception of routine maintenance items. We decided that trying to change cams to oem, or any other cam, would be of little or no benefit, and would negate any benefits gained from the work already done. Also, attempting to find the existing noises would be like going down different rabbit holes, with no guarantees of success. This venture was taking too much of my time and being unproductive. However, I wish to thank everyone for their input.
 
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Old Dec 9, 2021 | 09:40 AM
  #14  
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Without a video there's no way for anyone to think it's anything but normal so probably a good idea.
 
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Old Dec 9, 2021 | 12:12 PM
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Originally Posted by carlmartine
Today, after a conversation with my mechanic, I have decided to discontinue any further work on this bike, with the exception of routine maintenance items. We decided that trying to change cams to oem, or any other cam, would be of little or no benefit, and would negate any benefits gained from the work already done. Also, attempting to find the existing noises would be like going down different rabbit holes, with no guarantees of success. This venture was taking too much of my time and being unproductive. However, I wish to thank everyone for their input.
I have quieted those heads and that cam by changing to AV&V 6500's. Can be performed without removing heads.

 
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