- Joined
- Dec 19, 2014
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- www.uprproducts.com
- First Name
- Joe
- Vehicle(s)
- UPR 2015 Ecoboost Mustang
The correct place to tap into is the front of the manifold where the primary vacuum source is so you have a true reading. Also, on cars that run a check valve on the primary vacuum line, you just need to plumb in between the manifold and the check valve to stay on the pressure side and you'll be all set. UPR
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