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Author Topic: Scratch on Intake Valve Guide Bullet End  (Read 7401 times)

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HDGearHead

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Scratch on Intake Valve Guide Bullet End
« on: October 05, 2014, 05:35:13 PM »
Two years ago when the dealer rebuilt my motor under ESP with the T-Man CVO Street Performer Kit, I noticed a scratch on the bullet end of the front intake valve guide.  I didn't see it until after the heads and rocker boxes where already installed.  When I questioned the builder about it, I was told that it was nothing to worry about, only cosmetic.

I just ran an endoscope/borescope down the throttlebody to have a look and take some pictures of it. 

Is this ok or should I pull the heads and ship them to T-MAN to have the guide replaced?


« Last Edit: October 05, 2014, 05:42:21 PM by HDGearHead »
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HDGearHead

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #1 on: October 05, 2014, 05:36:56 PM »
Another Pic
« Last Edit: October 05, 2014, 05:38:28 PM by HDGearHead »
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HDGearHead

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #2 on: October 05, 2014, 05:40:14 PM »
Another Pic
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HDGearHead

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #3 on: October 05, 2014, 05:41:37 PM »
One more
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HD Street Performance

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #4 on: October 05, 2014, 05:57:31 PM »
It is a scratch, ride on.
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sadunbar

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #5 on: October 05, 2014, 06:07:10 PM »
No worries...   :2vrolijk_21:
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porthole

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #6 on: October 05, 2014, 06:11:14 PM »
Has that run in the last 2 years?
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aclass

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #7 on: October 05, 2014, 06:15:05 PM »
I know one thing,   that is one cool picture.
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Ohio HD

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #8 on: October 05, 2014, 06:33:00 PM »
You can buy digital endoscopes on eBay. A good one is about $30.00, and when connected to your laptop, can take still shots or video and record it.
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HDGearHead

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #9 on: October 05, 2014, 06:42:02 PM »
Quote from: HD Street Performance on October 05, 2014, 05:57:31 PM
It is a scratch, ride on.

Quote from: sadunbar on October 05, 2014, 06:07:10 PM
No worries...   :2vrolijk_21:

Thanks.  That's what I was hoping to hear.  This has been stuck in the back of my head since it was built.  I just removed the rocker boxes to replace the comp releases and install rollers and didn't want to put it back together if this was something I needed to be concerned about. 



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johnsachs

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #10 on: October 05, 2014, 07:02:20 PM »
Ain't nothing more than a mark(scratch) that was made with a file to deburr the guide after it was shortened. ::)
Won't hurt a thing.
John
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HDGearHead

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #11 on: October 05, 2014, 07:07:31 PM »
Quote from: porthole on October 05, 2014, 06:11:14 PM
Has that run in the last 2 years?

Around 6K miles.  The heads are clean.  I found some mild carbon build up on top of the pistons.  I assume this is from burning oil from the breathers.  Another mod project to tackle this winter....

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porthole

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #12 on: October 05, 2014, 08:05:20 PM »
So tell the truth, you were really just showing off how cool your SnapOn borescope is 

:2vrolijk_21: :2vrolijk_21: :2vrolijk_21:
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HDGearHead

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #13 on: October 05, 2014, 08:29:02 PM »
Quote from: porthole on October 05, 2014, 08:05:20 PM
So tell the truth, you were really just showing off how cool your SnapOn borescope is 

:2vrolijk_21: :2vrolijk_21: :2vrolijk_21:

They are pretty cool :)  But this is one of the cheap ones off eBay.
« Last Edit: October 05, 2014, 08:43:45 PM by HDGearHead »
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porthole

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Re: Scratch on Intake Valve Guide Bullet End
« Reply #14 on: October 05, 2014, 08:47:17 PM »
Quote from: HDGearHead on October 05, 2014, 08:29:02 PM
They are pretty cool :)  But this is one of the cheap ones off eBay.


Pretty good picture for a cheap cam
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