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Originally Posted by Rail9222
I purchased a turbo kit a few years ago and it came with a evolution wastegate. It appears the install sheet I got differs from the one you have poster here on the site. I assumed I had the 5 lb spring in when in fact it was the 9 lb. I swapped out the gauge because I thought it was defective then I just assumed it was boost creep. Now I'm needing to replace my tranny due to too much boost. Sucks to be me.
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which kit was it? I'm not aware of any Turbonetics kit that run less then 8 PSI intake mani pressure out of box. As a result every kit in production uses a 9 PSI spring in the wastegate as after the pressure drop across the intercooler core and charge piping it comes out to ~8 PSI of intake manifold pressure.