help!!!rev limiter comming in 6k in forth

[95 geser]

i have a 95 gsr,and all the sudden my rev limiter feels like its commng in at 6000 rpm,,i have a p72,im thinking that might have someting to do with it but i dont no,,it only does it in 4th gear at 6000 grand,,i dont no why it wont let me go above that any more,,any one no what the problem might be??

[tsugsr]

you will know it if its your rev limiter, you need the right ECU for whatever motor you swapped in.

[95 geser]

its never done it before,,it just started,,it has the p72 for the gsr motor,,and i have a gsr,,so everything should be correct,,i just dont no what the deal is