Adjust boost on GT25?

[Adrian]

Your motor must be loving you right now

[Obsession]

This one seems to.......like they say, fourth time lucky.....

[SonOfAnarchy ZA]

by by motor! the reason u not feeling gains is cuz standar ecu can only suport 0.8 bar then you run lean give it another month or two your valves are gonna burn or you gonna get a knock

[300sx]

1bar is very very close to the maximum rotational speed of the compressor on the t25..

[SonOfAnarchy ZA]

1bar is very very close to the maximum rotational speed of the compressor on the t25..

you right if he has disconnected the waste gate then the turbo is going to spool to its max the turbo isnt gonna last long and the motor isnt either without a fuel management system

[Ero_sennin]

Go get some dyno graphs, youll see your power fall down after 5500rpm on that small turbo at 1 bar

[Obsession]

Lets say i am testing somthing that has been on my mind for a while, been running it like this for the last two months, monday did a straight thru exhoust, lag is just bout none existant....

Boost goes up to 1.2 bar at bout 4300rpm from 3rd and up. and yes, u can feel the power drop from 5700rpm....

[300sx]

Boost goes up to 1.2 bar at bout 4300rpm from 3rd and up. and yes, u can feel the power drop from 5700rpm

its not that the turbo wont do this.. its just that it wont do it for very long..

[Obsession]

Boost goes up to 1.2 bar at bout 4300rpm from 3rd and up. and yes, u can feel the power drop from 5700rpm

its not that the turbo wont do this.. its just that it wont do it for very long..

Well aware, like i said, testing something....

[300sx]

Boost goes up to 1.2 bar at bout 4300rpm from 3rd and up. and yes, u can feel the power drop from 5700rpm

its not that the turbo wont do this.. its just that it wont do it for very long..

Well aware, like i said, testing something....

ah ok, i get it.. just out of curiosity, if it does fail, put a few pics up.. i for one would find it interesting to know what first point of failure is, turbine or compressor..

[Ero_sennin]

ah ok, i get it.. just out of curiosity, if it does fail, put a few pics up.. i for one would find it interesting to know what first point of failure is, turbine or compressor..

+1

[Obsession]

HAhahahahaha....Will do, u can even come and study it....

On my old motor i ran that Skyline turbo from the RB25Neo2...The one with the ceramic compressor wheel at 1.2bar, used to boost creep to 1.3bar, and max was said to be 1bar before it would destroy the compressor wheel.....funny enough it destroyed the blades on the exhoust wheel and also after 9months....