This question is best answered by a search. We have been turbocharging these cars since they were new.

There's not much to trick on the ECU. 96+ cars will fuel cut when they see boost, so most people add a voltage clamp on the MAP sensor to prevent the ECU from seeing any value above 0psia.

Fuel is usually added in a manner the ECU has no control over, e.g. increasing fuel pressure via a variable rate-of-gain regulator.

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'95 Eclipse TurboGS (garage deco)
'95 TSi AWD (restoring a survivor)
'97 Talon ESi-T (poor impulse control)
'99 Eclipse RS-T (daily beater)
'13 Evo X (mostly stock)
'17 Sienna (Middle Aged Dad Mobile)



Factory Service Manuals: http://nawdu.de/files/