Forums/Z31P/z31-performance-upgrade-forums engine-management/ECU chart question.

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revolt911: (2011-05-17 07:06:52)

So I was looking up an ecu ID on jim wolfs website. I was just wondering what the tag reg. meant at the top of the list I got turbo, Transmission, but i don't know what reg. means please if anyone knows that may help me out a little.

Here is the link:

http://jimwolftechnology.com/wolfpdf/ECU-ID.PDF

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OK85ZX: (2011-05-17 07:08:04)

Emissions regulations, federal vs california.

Also, references for Z31 only: http://www.redz31.net/pages/eculist.html

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THEBEAST: (2014-03-18 13:48:40)

is there a difference between a california ecu vs a federal? performance?

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Gem84Znt: (2014-03-18 15:49:43)

When I changed my 84, 5speed, NA to an 87 ECU to solve cold start problems I ended up with a Federal and a California ECU's in other words two of them. I cannot tell the difference in the way the car runs. I did this back when the car had to pass Texas emissions inspection and both ECU's passed.