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Ok so I started to try and start sizing the turbos for this. I'm looking for more info. Does anyone have logs or dyno charts with the boost levels from launch to 4000rpm. I think a S400SX S374 with a 1.25a/r is pretty close to what is needed for the top end. But I don't really know what to run for boost on the low end so I'm having trouble sizing it. I was thinking an efr series(6258 or 6758) for simplicity and to minimize the piping.
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07 335XI (A008006) 6AT ~94K miles JB4 G5 ISO VSRF DP's
09 135I M (VK80379) 6MT. Race Project car. 1) Install Cobb/piggyback? and Motiv 600 Kit[HTA3076R w/ tial .82] 2) JRZ or Moton suspension. 3) Build high flow intake manifold with multi-port fuel and relocate OFH 4) Build full cage 5) Complete staged twin setup with HTA4205R [w/Tial 1.16] 6) Complete dry sump system
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