You need a dawes valve and needle valve set up. The dawes valve lets you set maximum boost and the needle valve lets you adjust the spool up rate.
Have a look on Chaz's website, it's explained better on there.
Tony
You need a dawes valve and needle valve set up. The dawes valve lets you set maximum boost and the needle valve lets you adjust the spool up rate.
Have a look on Chaz's website, it's explained better on there.
Tony
Chaz (28th October 2011), the ferret (29th October 2011)
Good advice!Originally Posted by YNOT
This is the ECU boost control solenoid valve that needs to be bypassed if you've disabled the EGR.
B-4 (27th September 2013), MudRunnerTD (29th October 2011), the ferret (29th October 2011)
I have a Dawes valve fitted but no needle valve. Is that what bypasses the ecu?
If you have a dawes but no needle then you probably have it set up to limit maximum boost, the computer will still be controlling boost. Are you able to post up clear photo's of the dawes valve and hoses?
Tony
hey mate. I had 12-13 PSI up to 100 km/h anything over that i get none? Its bloddy confusing as to why it will boost up to 100km.
Just got back from an overnight trip down south and i only got 4psi max boost even doing 100km/h DOING MY HEAD IN!!!
Something's definately not right there.
Tony
so no ideas? i thought that was bloodt weird on the way home today. to only get 4psi at 100km when i usually get 12-13psi
this is what i have setup if its any help. Its just a daees valve.
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Leighw85,
Can I ask you to try something for us? That black pipe that goes from the TEE piece at the top of the Dawes valve goes to the ECU control solenoid. At the control solenoid, you’ll also find another long black pipe that goes up over the engine. Remove the one that comes from the engine at the solenoid and plug it into that TEE at the top of the Dawes valve. Don’t worry about connecting the other pipe anywhere for now, but do that and take the car for a drive.
Let us know your comments after doing this.
You will have now bypassed the ECU control solenoid and should get the boost that your Dawes valve was adjusted for. The only problem with this is that your spooling will be very fast, but we can address that next.
ok mate ill give that a go tomorrow.
but can i ask you a question about the black hose on my dawes valve. That pipe there was kinked after i got it installed.
i thought it was accidently done, could it of been done on purpose? Just throwing it out there.
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