2008 GU WAG ST Manual CRD - To do the job
IMO, now that U have max boost set at 15psi and only getting limp holding loud pedal, U are most likely still over boosting slightly under heavy acceleration.
How far have you got the needle valve wound out?
Have to ask this_is the needle valve (if one directional tillix type), connected up in the with the vacuum arrow pointing toward vacuum pick up?
Try leaving Tillix boost controller where is for the moment(max boost 15psi), wind the needle right in (clockwise/closed), start eng and @ idle unwind needle valve and if the actuator rod drops this is correct.
OK, now at idle wind the needle in and check to see if the actuator lever is hitting the vane angle limit stop grub screw (with needle closed). Then gradual unwind needle and when the level just drops a way from the stop screw wind needle back in (clockwise)say 1/4 turn. Go for a drive and let us know what you experience. If limp occurs under full acceleration unwind needle more(say one turn). If no joy, we can have a look at adjustment to actuator rod length.
2008 GU WAG ST Manual CRD - To do the job
needle valve is about 3 turns out currently, put foot to the floor and she goes to 17psi for a second then settles down to 15psi, needle valve is the one way type and arrow pointing away from the vacuum intake.
I had originally adjusted the needle valve going of the actuator level to set it, that was before i installed the demon pro airbox, before this it ran mint
. Yeah the vac arrow should be facing towards vac pick up. You are running max spool_turn it around and give a try mate. As I said when you open the needle valve the actuator rod should drop not yours (one way directional flow)..needle valve is the one way type and arrow pointing away from the vacuum intake
2008 GU WAG ST Manual CRD - To do the job
@sn5013 check out Westy's video link here. Credits goes to Kallen @bigguwesty that hangs out here, helped me heaps early on
https://www.youtube.com/watch?v=7tQziIey884
2008 GU WAG ST Manual CRD - To do the job
BigRAWesty (4th July 2019)
You have to keep in mind these are mechanical devices.
So you need an action for a reaction and it takes time.
Are you running the factory intercooler?
You may have leaks in the system ( they leaked like seives from the factory....)
The more leaks you have the not air you need to reach max boost.
So limp is a combination of air flow, boost and load..
Eliminate leaks and then work on boost and spool rate.
Fuel should take care of itself.
Sent from my SM-G977B using Tapatalk
Cheers
Kallen Westbrook
Bidja (4th July 2019)
BigRAWesty (5th July 2019)
i think bidja is right . arrow needs to point towards vac connection as this is the direction of flow that you want to meter .