Computers and tweaker

[91lsc5spd]

Wondering what computer i have guys and if anyone has used the tweaker utility for mustangs and lightnings. it says the tweaker program works on 89 mark VII's but didn't know.

 

[JoshMcMadMac]

Do you mean twEECer? If so, then yes it works on the Mark VII.

 

[NYC LS8]

This site tells you how to find out what ECM you have, along with a bunch of other awesome info:

http://www.fordfuelinjection.com/