[Shotimes] there arose such a clatter
Dave Kegel
Dave Kegel" <d.kegel@comcast.net
Thu, 28 Aug 2003 10:09:59 -0500
Well, I don't know what engine was pinging loud enough to hear over open
headers, but it wasn't a SHO motor.
Pinging on the SHO is very difficult to hear. Often the only way to hear it
is up against a concrete divider, like going through a tollbooth. It's
pretty subtle. And it's quick. It only has to ping a little before the EEC
retards the timing.
I've heard stories of SHOs with very loud exhaust that were pinging big time
and no one knew.
Dave
----- Original Message -----
From: "Ron Porter" <ronporter@prodigy.net>
To: <shotimes@autox.team.net>
Sent: August 28, 2003 9:45 AM
Subject: RE: [Shotimes] there arose such a clatter
> Ahh, the infamous "phantom pinging that can't be heard"!!
>
> Well, it's like Santa Claus or the Tooth Fairy.....some believe in it,
> others of us don't.
>
> Just remember that the knock sensor works on a sound frequency. Pinging
can
> be heard over the sound of open headers (BTDT)!!
>
> Ron Porter