how would a t3 with these sepcs perform on a 4agze, woiuld it be very laggy, and what are good A/R numbers to look for, to spool at about 3500-4000 rpm
compressor housing A/R .42
exhaust housing A/R .48
compressor inducer 42mm
compressor exducer 60mm
exhaust turbine diameter 48mm
the guy sellign it said it's good for 7 - 25psi