Quote:
Originally Posted by scalbert
This does have merit and was the reason why I was wondering if a slight adjustment to the wastegate rod might be beneficial. My car, and presumably yours, builds boost very quickly.
Since the wastegate opens off of vacuum, this vacuum must be bled off for the wastegate to return to its natural state of being open. Perhaps some vehicles just do not respond the same as you suggest. I may need to climb under the car and check out the wastegate connections further. I can see the rear turbo's connection and it is threaded so an adjustment can be made. Although I am sure this could be also be handled in software.
To add, I would see some small spikes even on V1 code. This was minimal to about 15 - 16 PSI; but it was there and limited most likely due to the slower build rate on V1 with the rear solenoid bypassed.
|
Interesting... so what would be achieved by adjusting the wastegate screw you cited? Would it cause the vacuum to bleed of quicker or is it just the mechanical linkage that actually opens the gate?