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Message: [QUOTE="TARM, post: 331774, member: 578"] So with the wastegate fully open @ around 25 psi boost it still is able to flow enough drive pressure to bring it up to 45psi boost? I understand how the drive/boost ratio can be effected by fueling but with that said if you are able to almost double your boost (25psi to 45psi) with a fully opened WG venting exhaust flow would that not point to a issue of too small of wg for that particular turbo and fueling strategy setup? I guess it would be best to know what the drive pressures were as maybe for the top boost drive pressures stay inline as the max boost was 45 psi? Or maybe some tune tweaks if the fueling is heavier than needed? As I see it without a change in the fueling there would be no way for the wg to control boost below 45 psi if that was desired. Again without driver pressure numbers its a bit moot. If drive pressure was 45 then its good but if its 65 with boost @ 45 more gate I would think is needed. Just following a logical track here as I have far from a expert with this stuff. [/QUOTE]

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