Yes,I did.Thats the same coating that is used on piston tops.It has the highest heat rating.I THINK its about 4500 F.
It's an 88mm Precision Turbo with a .96 A/R housing
Should be good for about 1000-1100 RWHP.
mfg: Get in touch with the guys at gcg turbo chargers they can help you out on sizing the right turbo for your application? for instance what rev range do you want it to come on at and what boost? (more boost isnt allways better how about more airflow,lowerboost@ cooler intake temps? ) i bought my turbo brand new $2400 gt45r you can get a none ball bearing turbo for $1400 new its up to u.