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350HP930 350HP930 is offline
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Join Date: Jun 2003
Location: St Petersburg, FL
Posts: 3,814
The wastegate is also now as good as new. I discovered when I took it apart that the diaphram was cracking which certainly explained the boost spiking issues. Since my new electronic boost controller gives the the choice of 3 boost levels including a scramble mode I decided to cut down my 1 bar wastegate spring so its uncontrolled limit would be between 5 and 7 lbs of boost. I am happy to say my calculations were correct since it now opens at 6 psi. I will now have the option of using mid grade fuels on long trips.

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And here are a couple pics of it put back together.



Old 10-16-2004, 09:34 AM
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