[quote=“focusinprogress”"]
…it has a red top sr20det
[/quote]
The GTi-R “redtop” is different than the RWD redtops and the other (blubird, ect, ect) AWD redtops.
ITBs
Higher capacity oil pump
Lower compression 8.3 vs 8.5
Larger injectors 444 vs 370
T28 vs T25