Rb25det series 1 limiter problems & a cut in rpm

[Neebar]

Rb25det series 1 engine, Cx racing gt30 turbo wit extractor top mount manifold, tial 38mm external wastegate, aftermarket intake manifold, walbro 255 intank fuel pump, nismo adjustable FPR
Boosting 10psi wit stock ecu

Sometimes I get my rev limiter wen I'm drifting and sometimes I don't I jus get a cut in rpm

Need some help can't figure out wats goin on

I've tried changing ecu, airflow, cam sensor, Ignitor and still the same problem

Can any1 help me out here ????

[mixeds14]

Wondering what u are using for engine management. I hope it's not the stock ecu cause in your comment above about trying another ecu, make me belive that u are and that's a bad idea with ur set up.

[Neebar]

Yes I'm using the stock ecu for d wile till I save up for my haltech !!!
My car does wrk gud wit d set up jus lately I've been getting those problems !!!