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Old 14-12-2020, 05:00 PM
Big Kas Big Kas is offline
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Join Date: Mar 2020
Location: Rochester
Posts: 59
Default Boost control on early classics

Hi all,
Maybe an amateur question but read a post a while ago about different ECU codes (z4 etc..) and how much boost each ecu runs.

My question is on the early cars how is boost actually controlled. As the waste gates are manual vacuum types and from what I know the MAP sensors only measure boost rather than control it except for the upper limit boost cut.
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