Quote:
Originally Posted by RICE RACING
Just buy a Precsion PT6766SP (ball bearing) Physical Exact same size as a T04Z and a Tial V44.
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Or PT6466.
Sound Performance tested back to back 6466 against 6766 at same boost level (36 psi) on stock 2JZ. 6466 has significantly better spool-up and due to higher efficiency at these exact conditions (boost and flow level) it also produced higher peak power and torque. Both compressors have capability to flow over 90 lbs/min of air, which is enough for over 700 HP even on rotary platform.
BorgWarner EFR serie is very nice on the paper and some people are reporting very good transient response which is expectable thanks to very light rotating assembly, but Precision seems to be few steps forward, at least in aerodynamics of wheels itself.
Then again, Precision doesn't bother with some burst testing or maps at all
But they have results like no one
