Quote Originally Posted by boots View Post
The grub screw is to limit max boost . When fitting dawes valve , most people plumb it bypassing the vacuum / ecu control solonoid . This makes it full manual control and take it from me , It is so much better once done .Spool up is much smoother this way . well it was for me anyway . mines an 04 aswell .
Ok thanks, another (perhaps) stupid question, but when the dawes valve is fitted does that then control max boost?

Cheers
Gunner