At 03:09 PM 3/17/98 -0600, you wrote:
>My brother races in the SCCA and while browsing through one of his
>racing supply catalogs I came across some interesting items.

>Second is an air/fuel ratio monitor which hooks up to your O2 sensor
>and graphically depicts your air/fuel ratio under any conditions (idle,
>part throttle, full throttle, etc.).  There are three different
>versions ranging from $99 to $169, and can either be permanently or
>temporarily mounted.

Would this just be a limited range dc voltmeter ?

Austin