![Quote](images/misc/quote_icon.png)
Originally Posted by
Jaydee
I got an email from the mention so here's my 2cents worth. Remove the wastegate and on the bench connect a bike hand pump with a pressure gauge to prove the WG opens correctly and at what pressure. You can also check for the full stroke as you will get creep if the WG is too small, blocked or not opening fully. WG Springs can coil bind if its the incorrect spring. See how long the WG stays open when you stop pumping. It should be a long time if there are no leaks. If you pass this test check the exhaust pipe on both the WG inlet and outlet in case there is a flow reduction from faulty header pipe weld or a blockage. If you have not found anything by this stage I will be surprised. Its important to do each step as I have described so you can eliminate potential faults. Good luck.
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