PassionFord - Ford Focus, Escort & RS Forum Discussion - Ext wastegate spring pressure Vs boost pressure

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leecavturbo

30-11-2006 03:10 PM

Ext wastegate spring pressure Vs boost pressure

how is the ext WG rated spring pressure related to boost pressure?
pre-turbo exhaust gas pressure will be different to intake boost pressures i assume?
so how do you select the right spring?
or will a ball park 1bar spring be plenty when used with a boost controller to obtain 1.7-1.8bar of boost?

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