[Shotimes] Engine Vacuum

[Carl Prochilo]

Why is this subject important?  Looking for a primer type dissertation. 
I've already heard that the PCV system should be defeated...
-- 
Thanks and Cheers,
Carl Prochilo
92 Ultra Red Crimson

On Sat, June 19, 2004 1:41 pm, Alan Fanning said:
> FWIW, I recently tested several SHO's for engine vacuum at a group
> get-together. I saw a steady 25 inches as a typical reading on a stock
> SHO.
> On my engine with Stage 1 cams I was down to about 15 inches, but still
> steady.  If the needle is flopping all over you have problems, but I don;t
> recall the details.
>
>     Alan
>
>> From: "Kevin & Cheryl Airth" <clubairth@peoplepc.com>
>> To: "Paul Nimz" <pnimz@v8sho.com>, <cmichaelo@optonline.net>
>> Cc: "shotimes" <shotimes@autox.team.net>
>> Subject: Re: RE: [Shotimes] What can destroy a cat?
>> Date: Sat, 19 Jun 2004 12:12:21 -0500
>>
>> Thanks Paul!!
>> I had forgot about using a vacuum gauge. Here is why. Have you attempted
>> this? I have found the vacuum gauge and it's actions are so wide open to
>> interpretation that everyone who looked at the readings came up with a
>> different answer!! I think vacuum tests would be more useful if we could
>> some how get a baseline for each engine. Maybe with 2 SHO's side by side
>> and
>> using the same gauge and the same tests. That might give you a leg up on
>> what is actually happening inside the engine. You do mention something
>> that
>> may have messed up my experiences. My vacuum gauge does NOT have the
>> gauge
>> damper control. I have not seen one with it? Maybe my gauge is a cheap
>> one
>> but the damper adjustment would put another variable in the system that
>> has
>> too many already?
>> .
>> .
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