z4 ecu
14 August 2009, 05:38 PM
#1
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z4 ecu
hi guys i just bought a z4 ecu for my 1993 wrx import. been told they turn boost up to 1 bar got it fitted and its just as it was before 0.8, the drive is a lot better and smoother but would like some facts on what boost they run thanks
14 August 2009, 05:47 PM
#2
0.87 bar fuel cut is 1.05 bar.
I run mine with a manual boost controller to 0.95 bar.
Comparison between your original ecu and the Z4
WRX/STi Saloon ECU's 2C, U8, W6, W9 - As above, 11.47psi held to redline. Fuel-cut 14.57psi
WRX (1995/96) ECU Z4 - 12.71psi, dropping to 11.78psi @ 6600rpm. Fuel-cut 15.65psi
I run mine with a manual boost controller to 0.95 bar.
Comparison between your original ecu and the Z4
WRX/STi Saloon ECU's 2C, U8, W6, W9 - As above, 11.47psi held to redline. Fuel-cut 14.57psi
WRX (1995/96) ECU Z4 - 12.71psi, dropping to 11.78psi @ 6600rpm. Fuel-cut 15.65psi
Last edited by myblackwrx; 14 August 2009 at 05:48 PM.
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