Forums/Z31P/z31-performance-upgrade-forums engine-management/1984 na ecu
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Zedstar: (2018-03-20 08:57:36)
Cannot find info on how to socket/upgrade EPROM on this ECU. There is plenty of info on how to install Nistune Board, however only want to swap EPROM for injector upgrade
kaur: (2018-03-20 13:33:30)
There might be some info on older pages. Like this for example http://redz31.suomiz.net/pages/fuel/romulator.html
Dunkine: (2018-03-20 15:40:56)
XenonZCar - http://www.xenonzcar.com/z31/nistune.php
and yes, it's about installing the NIStune board, but it shows the EPROM for the 84-85 for fuel & timing maps.
Zedstar: (2018-03-20 22:58:55)
XenonZCar - http://www.xenonzcar.com/z31/nistune.php
and yes, it's about installing the NIStune board, but it shows the EPROM for the 84-85 for fuel & timing maps.
Thanks for your reply.
However , the instructions only relate to connections from the Nistune Board to CPU chip etc - not an EPROM. It appears that a replacement EPROM can be only loaded to later i.e 88ECU which are single EPROM.