[Fot] Crankcase Venting - testing

[Christopher Bock]

Are we talking about PVC or PCV?

Chris

On Feb 1, 2013, at 2:31 AM, "MadMarx" <tr4racing at googlemail.com> wrote:

> How to test a PVC valve?
>
> After I had these several failures I've checked the valve before each run:
>
> - I pull the hose from the valve cover
> - blow by mouth into the hose (to operate the valve)
> - and suck back
>
> On sucking the valve has to block, totally block the sucking back. If there
> is gentle blow by the valve is gone.
>
> My HD valve construction can be easy made by people who has a lathe. The
> dimensions aren't important.
> You can take the normal PVC valve as pattern.
>
> The spring is the important part. I used a snippet of a SU carb spring for
> valve operating.
>
> Installed:
>
https://lh4.googleusercontent.com/-tEf8uoPfIBo/UJJmlQug4SI/AAAAAAAABhI/GcSEH
> 3d4wnU/s983/20121101_130726.jpg
>
>
>
> Cheers
> Chris
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