one who swears he's never coming back, and the other one who threw in the towel and opted for a naturally aspirated 'murican v8.
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Simple. Buy a Mityvac MV8500 NOT the MV8000. The latter won't work. It only does vacuum not pressure. The MV8500 does pressure. It's super simple to set your wastegates with it and you can't slowly make them open up ensuring they're set to the exact pressure you need. You can also get them at parts stores but they'll have to order it first because they only stock the MV8000 which only does vaccum not both.
Amazon.com: Mityvac MITMV8500 Silverline Elite Automotive Vacuum Pump Kit: Automotive
Forge Motorsport | Alloy Fabrication
the springs are the same for all wastegates as far as i can tell
I went with reds also. No point for me to set under 20psi.
Eric
Sorry copied wrong link haha