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Old 09-09-2013, 11:21 PM   #28 (permalink)
racprops
Master EcoModder
 
Join Date: Oct 2009
Location: Phoenix AZ
Posts: 799
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NOW your the man I want to talk with.

A) What car??

Quote:
Originally Posted by UltArc View Post
Cool, my 305+ hp car gets 38-42 normal driving, 43-46 on the highway. No vapor or hydrogen or anything.

I feel it is the OBDII ECU that is stopping any improvment.

I have not test any OBDI ECUs as they are too old for a product but will this winter.


Why does it matter about being OBDii? Can't the ECU be flashed regardless? The CTS V on here has a reflashed ECU. The mileage is okay for pure highway, it doesn't seem like its had much of an affect on the city performance- but it's been done.
Where can I get my computer reflashed for MPG??

And thanks.

Rich