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Discussion Starter #1
hi , does someone know if there is someting to tune if i hhave put gt2860 on my 1991 skyline gtr , since thaT , the car do not run good , on the ighway he always miss , what kan it be , my cylinder comp is ok , about 150 , i put 6 new spark plugs ngk heat8 , kan it be one or more injectors that is broken , ??? thanks for trying to understand my bad anglish:(
 

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you may need,

new ecu [like apexi power fc]
new air flow meterx2 [like twin rb25 or nismo afm x2, 300zx z32afm x2]
boost control, like greddy profec 2
[bigger injectors and a bigger fuel pump 555cc, 600cc etc
fuel pressure regulator [nismo]

you could always get your nissan injectors flow tested, cheaper than a new engine ! :)
 

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Discussion Starter #3
ok , thanks , i already have power apexi fc , does I really need new air flow ??(it is maf sensor??) do i am ok for the fuel regulator if i have apexi?
 
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