Installing Pyro and Boost gauges in a GU

[Chaz]

cheers fellas, yeah your right Clunk ive read that also

any info on how to adjust my Dawes valve?
im getting 12 PSI tops and have read it should be set at about 16 PSI

Just undo the thin lock nut, hold the knurled end with pliers and turn the body with a spanner in the direction to tighten (shorten) the valve to increase maximum boost. Then gently nip up the lock nut and go for a drive and test.

The boost level can vary from car to car, but if you still have ECU control it should be ok to run 16psi. If you bypass the ECU solenoid, I'd keep it below 16psi under 3000rpm.