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BP turbo build/advice

Originally Posted by hc_416 I think it is fair, I never wanted to overboost but it looks like the tech hooked it up for a twin instead of a single.

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Old 04-24-2017, 03:36 PM   #11 (permalink)
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Originally Posted by hc_416 View Post
I think it is fair, I never wanted to overboost but it looks like the tech hooked it up for a twin instead of a single. Then since i have never hooked up a bov or waste gates i had to learn; which was about 8 hours and a few drinks in lol. I still have to check the vaccum at idle and set the spring. Does anyone have a idea about waste gate springs? I have the seven pound and using the pressure for the BC, should I keep it this way or go to a heavier spring? Still learning....

Couple things. Make sure you have your vacuum lines clear of the manifold and securely so. Second after much suspicion I found that the springs in the Tial wastegates read a bit off consistently. At first I thought it was my boost controller buat after checking around I talked with a major shop in the area and found that they would pressure test the springs before install and the same inconsistent readings were found with the springs. I finally went with the the next step lower than recommended. The boost controller can only regulate boost from that point up and no lower. But above all else make sure the vacuum lines stay clear of anything that might burn a hole in them. I got owned by a 1/4 inch hole in a vacuum line to the passenger wastegate.
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