On Sat, 25 Mar 2006 20:47:09 -0500, ThomasE <lester12@yahoo.com> wrote:


>I could not tell the strength of the spark because I was inside the car
>turning the ignition and wathcing the spark through the winshield. Could
>have been a weak spark but there was spark on all 4 cylinders. I hear that
>spark is a lot easier at atmospheric pressure as opposed to the compression
>pressure inside the cylinder and that makes sanse to me (I'm a physicist).
>So could it be that the spark is strong enough to spark at atmospheric
>pressure but not inside the cylinder?

Can't you come up with somebody to turn the key for you? You need two people to
do a home mechanic's spark test.

You use distance to compensate; if the spark can jump 1/4-1/3" outside the
combustion chamber, it'll have no problem jumping the gap in the spark plug.