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Old 09-11-2009, 12:47 PM   #24
n00b Moderator
Member#: 811
Join Date: Jan 2000
Location: WA
2000 RS-Ej20G
It tastes like burning


Its a matter of personal preference. In general some people prefer to keep that last safeguard. Others are ok with removing it completely and relying on gauges and their own paranoia to keep out of trouble.

The difficulty with the EJ20G setup is that the stock MAP sensor's range is limited to 1.25 BAR, so as it stands, the ECU is not capable of a boost cut above that. So the options are either to have a 1.25 BAR boost cut, install a different MAP sensor and remap the ECU (which I haven't spent time doing yet), or eliminate boost cut all together.

And as your are finding out Ryan, ideally boost cut should be a couple PSI above where you want to run peak boost to cover random spiking.

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