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link g4 and g4+ differences

Mitchell Middleton

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Hi guys. Just trying to find out the main differences with the new g4+ over the g4 as far as the plug in units available. I have a street tuned s15 200sx with an entry level turbo and fuel upgrade running 340 hp atw. I am always looking to improve my car and am interested if the g4+ would offer me some real world advantages. Thanks.

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Hi Mitchell,

The G4+ webinar covered quite a lot of the changes between the G4 and G4+. The webinar was recorded and can be viewed here:


For a plug-in ECU some of the gains are extra inputs and outputs, for the Short header S14-S15 plug-in ECU the expansion connectors now have 14 extra inputs and outputs.

Some other G4+ features:

Optional Knock control upgrade

Configurable ECU logging

Metric and Imperial display modes


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