wastegate quesions - Subaru WRX Forum
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post #1 of 3 Old 09-29-2007, 11:45 PM Thread Starter
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wastegate quesions

can anyone tell me why my wastegate sound changing from a cia to a short ram. i have a tial F38 and before i changed it had the shutter that sounded like a rattle snake and now with the short ram it still has the shutter still but it sounds like a dove. thats the best way i can describe it. can some one tell me if thats normal or if i need to fix something. i'm lost please help
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post #2 of 3 Old 09-30-2007, 11:48 AM Thread Starter
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post #3 of 3 Old 09-30-2007, 12:12 PM
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Did you tune for the change in air flow? that might have somethign to do with it? I would say that a change in the sound would be normal as air flow rates would change. Is there any change in power (for better or worse)?


-- Running a VF30(let me know if you need more info on specs) which size of TiAL gate should we get??? I dont have a whole lot of expericene with changing wastegates. I know that its the spring rate that is important but even on thier website it doesnt explain much. Any help?

Last edited by BAMBO; 10-01-2007 at 09:46 AM.
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