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If I recall correctly his car made mid 500's on pump gas and 600's on C16... I just don't think a 6266 will give you that much more headroom than a GT35R on this kit.
I have a powerlab kit with gt35r and have not been able to get past 525 on pump. Air flow through the hotside of the turbo is the limiting factor. I could reach my goal with e85 but it will cost me 2/3 the amount that a new turbo and tune would so rather have a new turbo and stay with 93 octane. I could sell the used turbo and recoup some of the cost of the upgrade and not have the added expense of having to used e85.
Im having the same problem, however I can not get over 500 on 93, 515 on 110 mix. I will hit 20psi until about 4700rpm then lose 4-5psi. I've got the .82 housing though. We have been fighting it for a few months, decided to probably go with the 6266 this winter and try again next season.
Im having the same problem, however I can not get over 500 on 93, 515 on 110 mix. I will hit 20psi until about 4700rpm then lose 4-5psi. I've got the .82 housing though. We have been fighting it for a few months, decided to probably go with the 6266 this winter and try again next season.
The 1.06 exhaust housing on the GT35R gave me almost 50whp more than the .82 housing on pump gas for what it's worth.
