Re: Pulsing engine?

[Mike & Deb <lefevre@xxxxxxxxxx>]

Gary,
While you were testing your vacuum advance did you watch the timing light and witness the mark moving?
The advance specs are in most motor manuals and if your close to stock should be what you want.
Mike LeFevre
PS: vacuum is measured in inches of mercury






On 8/28/2011 12:04 AM, Gary Wilson wrote:

That is good.  Something else is causing your problem

On Thu, Aug 25, 2011 at 12:41 PM, Gary H. <62to65mopar@xxxxxxxxxxx> wrote:

I had to MacGyver up a t-fitting to mate a vacuum gauge to a hand-held vacuum pump. So I am not convinced the connection is 100% leak proof. But I pumped the vacuum advance up to 6 pounds and the vacuum gauge took about 25 to 30 seconds to slowly drop to 5 psi.  How's that?

Thanks,
Gary H.



>  -------Original Message-------
>  From: Gary Wilson
>

>  That is the way to do it.  Pump it up to about 5 or 6 pds if I remember
>  right and see how long it holds it pressure. 
>
>

>  On Wed, Aug 17, 2011 at 9:47 AM, Gary H.  wrote:
>
>  Is there an easy way to test vacuum advance? I have one of those Mighty
>  Vac hand-held pumps. I guess I hook it to the dist. vacuum and see if it
>  will hold pressure.
>
>  Thanks,
>  Gary H.
>
>
>  >  -------Original Message-------
>  >  From: Gary Wilson
>  >
>  >  Check the vacuum advance.  They will cause this.  It may not be
>  pulling
>  >  the vacuum that it needs at a steady speed.
>
>  --

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