Quote Originally Posted by SG1 View Post
Was doing my head in adjusting the dawes and needle valve when I first installed it, ended up being MAF issues and once I sorted a replacement it was a lot better. Trying to get the same psi ranges with the auto at the speed and rev ranges suggested for installing the dawes valve was very difficult because of the Auto trans and how at 100 it sits in the low 2000 rpm range (2100-2200 there abouts instead of what the manuals sit at 2600-2700 maybe?), hope you figure it out soon, maybe double check its all plumbed correctly with no leaks.

On a flat road with cruise on my boost will sit at 4-6psi at 100k's with the auto, but rises quite easily with an incline or a bit of load.
Mine is an auto and sits on about 12 @ 100kph,, max boost is around 20 psi.