This is a direct comparison of the MHI 8-Turbo vs the MHI 9-Turbo at the same boost on the same car. Graph 3: Evo VIII with 8-Turbo (10.5) vs 9-Turbo I would say the next turbo upgrade past a Evo9 Turbo would be the FP-Red if staying with a factory based bolt-on turbo, but I would jump into a Twinscroll BorgWarner S200 or Garrett 30R getting the spool of an FP-Green but the power of exactly what was used. Detroit Diesel FP Diesel offers the most complete coverage in the. I would say the FP-green is worth some power over the MHI-Evo9 Turbo, but not enough to justify its expense.Įvo VIII owners should consider the FP-Green as a substantial improvement over the 8-Turbo, but not over the 9_turbo. TURBO-DIESEL-FREAK said: 1) The tune of your choice from Green Diesel Engineering. The Fp-Green equipped Evo is also running slightly higher boost which can also contribute to some power increase. The fuel choice isn’t all the increase but is defiantly some of it. You can see in this graph there is a substantial improvement in power from 4000-6300rpm, but because the FP-Green equipped Evo9 is running E85 it will naturally make a little more power. Stock Motor w/ Cams (can’t remember at this moment which ones) Graph2 Evo IX w/Stock Turbo vs Evo IX w/FP Green I also want to add that the FP-Green will never spool faster or the same as a 9-Turbo or 8-Turbo as I have seen some people state that it will. I don’t think there will be any arguments here. The Evo VIII was also running 4psi more by redline than the EvoIX. So yes the Evo IX has variable timing, but the Evo VIII does have an AEM without the MAF and a Magnus SIM that we have shown to make more power than the stock intake manifold toward the last third of the powerband. They do rate the turbo at 700cfm, but from what we have tested it seems to fall a little short of those numbers.ġst Graph Evo VIII w/FP-Green vs Evo IX w/Stock TurboĪll the customers that have come in with the FP-Green all run higher boost levels (over 25psi) so I don’t have a great depiction of a lower boost level FP-Green. Larger Compressor Cover w/increased A/RĪ hybrid turbocharger made by Forced Performance useing the new developments by MHI (Mitsubishi Heavy Industries) and stuck a larger compressor and turbine wheel in it increasing the flow to around approx. The 9-Turbo came with a few improvements over the 8-Turbo for 2006 when it was released making it the largest Mitsubishi turbo used on the 4G63. Shortly after the 9-Turbo release Forced Performance took it another step furthur by offering their 9-Green Model using the 9-Turbo housings making it a direct bolt-on upgrade. The CT9A chasssis came with a few different turbo configurations with a large improvement in 2006 with EvoIX the MHI-9-Turbo. This comparison was done to show the difference in the OEM turbo options and a good initial upgrade for the EvoVIII and IX.
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