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Why is stock PCV grounded?

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Old 03-01-2003, 07:39 AM
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Default Why is stock PCV grounded?

I have had to modify my PCV system since installing a set of LS6 centerbolt valve covers on my 98 TA. I needed the centerbolt covers since I now have installed a set of TEA 5.3 heads (had to dump the stock perimeter bolt valve covers).

Anyway, does anyone know why the hell GM would use a grounding strap on a PCV valve? Makes NO sense to me. My modified PCV system is now not grounded.

Thanks,
Ron
Old 03-01-2003, 07:54 AM
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Default Re: Why is stock PCV grounded?

The only thing that comes to mind is to avoid static discharge from igniting fuel/oil vapor in the block (stating the obvious), but this is the first I have heard of it. <img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" />
Old 03-01-2003, 10:37 AM
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Default Re: Why is stock PCV grounded?

It is a heat sink, not a ground <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

Why does it need a heat sink? Good question, all I remember is that one of my manuals listed it as a heat sink...
Old 03-01-2003, 03:37 PM
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Default Re: Why is stock PCV grounded?

Thanks everyone for the replies.

The heat sink makes sense, but I am not going to loose any sleep over this at all. We don't need no stinkin heat sink... <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

Ron,
Old 03-01-2003, 03:57 PM
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Default Re: Why is stock PCV grounded?

I wouldn't worry. Mine's been off for over two years since I did the verticle PCV mod. No issues here. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
Old 03-02-2003, 12:14 AM
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Default Re: Why is stock PCV grounded?

I hear wire/heat sink keeps the PCV valve warm in cold weather.




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