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Message: [QUOTE="TARM, post: 311067, member: 578"] Is it me or does the HP peak look a bit low in the RPM band? OR this a case of the effects of using a load dyno vs inertia? With 200% nozzles I would have thought we would see HP peak into the 3K range Is it possible that the WG was able to bleed off enough BP while there still being plenty of exhaust energy to extend the peaks not only higher but further up in RPM? You can see they run almost linear to each other but where the 1.15 stops I can only assume the ability of the WG allows the 1.0 housing to keep a more positive boost : BP ratio until it peaks a 142 RPM and 24 HP higher. You would think with the dif in TW peaks that this would play out in HP peak as well even to a bit of a greater extent but this could be because maybe they are both by that RPM reached the point where efficiency is declining. Point being the added benefit of the WG is great than the top end gains of the larger ratio housing alone. [/QUOTE]

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