Engine warmed-up, cold, doesn't matter?

Counting number of strokes -- is that the number of wuh-wuh-wuh sounds the
starter makes?

--
Mike "Rocket J Squirrel" Elliott
71 Type 2: the Wonderbus
84 Westfalia: Mellow Yellow ("The Electrical Banana")
74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
KG6RCR

On 9/12/2007 8:29 PM Dennis Haynes wrote:

> Some more variables. Crank until gauge stops rising. You can hear the
> change. Count the number of strokes. Should be 4-5. The design of the
> gauge can affect this. The hose length and placement of the valve will
> make a difference. Of course you will also want to do a leak down test. On
> older engines it is common for the front two cylinders (1-3), to show
> lower compression then the rear and still check good with the leak down.
> This can indicate worn cam lobes.
>
> Dennis
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> David Kao
> Sent: Wednesday, September 12, 2007 10:31 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: How do you check compression?
>
> I was told by a mechanic that when checking compression for a 4 cylinder
> engine I should get 4 strokes, no more than that, and get the reading.
> But Bentley Manual says to continue to crank until getting the highest
> reading. So how do you folks do it? How many strokes on the average do
> you crank to get the highest reading?
>
> David
>
>
>
>
>
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