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<blockquote data-quote="flamefox850" data-source="post: 338271" data-attributes="member: 140"><p>hahahaha this is what happen to me last time when using L2 injector on 882t engine :lol: </p><p></p><p>taqu...u r correct. change MAP sensor from 2 bar to 3bar will ensure u will never get boost cut until ur boost hit 2bar boost ! BUT..if ur ecu is stock..u will running very2 lean compare when u running on ur stock 2 bar MAP sensor</p><p>this concept is the same concept used by FCD actually.</p><p></p><p>it goes like this...ur ECU will cut fuel if it got 5volt signal from MAP sensor. if using 2bar MAP sensor..0.9bar boost will hit almost 4.8volt but when using 3bar MAP sensor with same ECU..1.8bar will transfer 4.8volt also.</p><p></p><p>but what happen if using 3bar MAP sensor and running only 0.9bar...i think MAP sensor will send signal not more than 3volt and u will running lean if other part is still stock.</p><p></p><p>what fcd or other modded ecu does is preventing the ecu from getting 5volt signal to prevent boost cut. so, if usually 1.0bar get 5volt signal..it will ensure that 1.3bar boost only send 4.9volt, 1.5bar boost also 4.9volt, even 1.8bar boost also 4.9volt. and u will end up running leaner and leaner when u boost higher. that's why u have to get bigger injector as well</p><p></p><p>correct me if i was wrong dude</p></blockquote><p></p>
[QUOTE="flamefox850, post: 338271, member: 140"] hahahaha this is what happen to me last time when using L2 injector on 882t engine :lol: taqu...u r correct. change MAP sensor from 2 bar to 3bar will ensure u will never get boost cut until ur boost hit 2bar boost ! BUT..if ur ecu is stock..u will running very2 lean compare when u running on ur stock 2 bar MAP sensor this concept is the same concept used by FCD actually. it goes like this...ur ECU will cut fuel if it got 5volt signal from MAP sensor. if using 2bar MAP sensor..0.9bar boost will hit almost 4.8volt but when using 3bar MAP sensor with same ECU..1.8bar will transfer 4.8volt also. but what happen if using 3bar MAP sensor and running only 0.9bar...i think MAP sensor will send signal not more than 3volt and u will running lean if other part is still stock. what fcd or other modded ecu does is preventing the ecu from getting 5volt signal to prevent boost cut. so, if usually 1.0bar get 5volt signal..it will ensure that 1.3bar boost only send 4.9volt, 1.5bar boost also 4.9volt, even 1.8bar boost also 4.9volt. and u will end up running leaner and leaner when u boost higher. that's why u have to get bigger injector as well correct me if i was wrong dude [/QUOTE]
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