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Re: Wastegate Actuator question Phil
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Posted by Phil (more from Phil) on Sat, 18 Jan 2003 18:53:24 Share Post by Email
In Reply to: Re: Wastegate Actuator question Phil, MC [Profile/Gallery] , Sat, 18 Jan 2003 18:03:45
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The base boost should be about 5.0-5.5 psi. Most people here will normally use the spec settings. There are a few here that use slightly highr base boost as this will also increase the MAX boost. Usually if you increase the base boost by 1.0 psi above stock setting, the max boost will increase by about 3 psi, so turning it up a whole lot isn't needed. 1.0 psi above stock setting is fine though. If you raise the base boost too high you're increasing the floor that the APC will kick back to if it senses detonation. So instead of kicking the boost back to say 5.0 psi, it'll kick back down to say 7.0 psi or whatever base boost is set at. I've had mine set to stock settings, and I've also had it set at 7.0 psi as well. 7.0 psi made crazy boost levels of 23 psi but honestly the car wasn't feeling any faster or making anymore power because the turbo is pretty much limited to about 20 psi and above that you're just making more heat anyways. So, I took the base boost back down and set it to 5.5 psi and I can still get 20 psi out of the car without problems.

See Ya,
Phil

Performance Modifications currently installed on my 9000T Airflow:

1.) S/D 28Lb Blue Series Injectors ($200) 31% more fuel
2.) JT 3" Complete Exhaust System ($500)
3.) Aquamist 1S Water Injection ($250)
4.) SPG9 Big Bore Throttle Body ($300)
5.) SPG9 Stage #1 APC upgrade ($300)
6.) SPG9 Rising Rate FPR ($200) 16% more fuel
7.) SPG9 18PSI Wastegate ($100)
8.) SPG9 A.I.D Unit ($200)
9.) Magnecore 8mm Wires ($70)
10.) K&N Cone Filter ($60)
11.) Forged Bypass Valve ($120)
12.) Silicone Hoses -all-($50)



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