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im having a bad day. I still dont understand! I thought the wastegate was actuated by exhaust pressure not boost pressure! I understand that the stronger the spring in the wastegate the more resistance to exhaust pressure and therefore the more boost you get but I dont get how a little electronic box can have such a big influence on such a large mechanical process.
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Andy
1980 SC soon to be big hp 3.3t powered 73RSR Replica (well, I'm keeping the engine but everything else is going  )
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