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Re: The "Toy"
Good morning,
My set up has a plastic Bosch by pass valve - the one like full pressure Saabs have.
If I recall correctly from my previous life the low pressure turbo (9000) was not intercooled and didn't have a by pass valve, ran the same T25 turbo, but at the "base boost" setting (5PSI), i.e. no boost control other than the waste gate operated by the intake pressure.
The plastic BPV is not very durable or dependable, mine leaks under boost - I can hear it. I took it off and plugged the hoses as an experiment, and the car runs much better, maintains more boost too at the same waste gate setting.
The question is, could I leave it out without causing too much stress on the compressor? An automatic transmission is easier than a manual - closing the throttle very suddenly under full boost does not happen that often.....
Any thoughts?
Tapani
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