Alternative wastegate springs?

[A80Avant]

Anyone knows if Tial's or any other make springs can be used on the OEM wastegate?

I want to replace the OEM spring of 0.4bar to a different one of 0.6 or 0.7bar without manipulating the screw.

I have a spring that is 0.9-1.1bar and it is too much.

The external diameter of the spring is 42-43mm and internal is 35mm.

Anyone knows any of the aftermarket companies that make wastegates if their springs fit?

thanks
vasilis

[newsh]

An ur quattro spring is about half way between the 2 IIRC

[A80Avant]

where can i find one ????