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Boost controller limit boost??

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Old Dec 4, 2001 | 11:39 AM
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dcamcoTII's Avatar
dcamcoTII
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From: Houston, TX
Boost controller limit boost??
If i were to get an electronic boost controller, can it be used to decrease boost as well as raise it??
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Old Dec 4, 2001 | 06:21 PM
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chrismckinless
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If you are using the stock wastegate, you can not decrease boost. I believe the 87-88 wastegate actuator's are 5.5 psi springs, the 89-91's are 7.? psi springs. Hope this helps,

Chris
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Old Dec 4, 2001 | 06:25 PM
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mazdaspeed7
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From: Savannah, GA
No boost controller can lower boost below the level without the controller. It only raises it. If you want lower boost, you need a bigger wastegate, or softer springs on your current wastegate.
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