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Originally Posted by Boosted2.0
Yup - built bottom end with lower CR dished pistons, rods, bearings and studs. Also an OS Giken twin disc STR clutch and an Xforce dual tip 3" exhaust. ID 1000 injectors, Fullblown rails, return system and Walbro 465 pump kit. Tuning, install and flex fuel kit by DD Performance Research. Also has an oil cooler and remote mounted filter. This tune in the video is the E85 tune. We are also using a 2 port actuator for the internal wastegate and a 4 port mac valve to control it.
The original goal was only 350 wheel for daily driving on 93. Wound up able to make well over 400 on 93, but dialed it back to about 380 wheel and we are using the ecutek boost control to raise the boost a bit on E85. Also have a detuned map for daily around town which has pretty scaled back boost in 1st and 2nd for traction reasons.
This turbo is twin scroll, and was picked because again - we were only wanting 350 wheel on pump with a very fun streetable setup. Wound up able to make a lot more than that, but we wanted fast spool with minimal lag, and this setup really delivers on it. We have done an STI fullrace kit with the same turbo and it has similarly impressive torque curve and power production.
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I'm surprised it made 530whp, was there correction applied to the dyno numbers ? Although BW rate it at 53 lb/min (older literature says 49 lb/min) I've always pegged it for a ~450whp turbo turned up.
Looks like a great match for this platform. Did your tuner dial out the compressor surge in the low to mid-range rpm as heard on the dyno ?