To tune it quickly & to see exactly (what is going on) what the A/F ratio is, no guesswork, example, engine bogs, is it a lean bog/stumble, or is it a rich bog/stumble?,,,,, you need to get a wide band O2 reader.

You can have one that is a permanent install
http://www.innovatemotorsports.com/products/MTXL.php
http://www.innovatemotorsports.com/products/g2_gauge.php

or use one of these
http://www.innovatemotorsports.com/xcart/product.php?productid=16321&cat=261&page=1

https://www.google.com/search?biw=1536&a...eband+O2+Sensor
so you can use on any car.

MBHD

12 port SDS EFI