| FWIW - I've been trading emails with them over the last week Billet Turbos says they can build a GT3071R equivalent with a billet compressor wheel and ceramic bearings The Garrett 3071R specs are: compressor wheel: minor 53.1 major 71.0, 56 trim, turbine: 56.5mm exducer 84 trim .64 A/R The closest Billet specs are (Billet D-GT2 56 trim): compressor wheel: minor 53.1 major 71.0, 56 trim, Turbine: major: 60mm Exducer: 55mm 84 trim .86 A/R I emailed them to see if they can do a .64 A/R in this turbo. Probably not an issue, as this housing is offered on their 52 trim setup. Cost is 2150 AUD, plus 350 AUD for a billet compressor wheel upgrade. Too bad the exchange rate sucks right now. I remember when the exchange rate was around .65 when I bought my nistune, now it is .90 :(
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