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SVTPerformance's Chain of Restaurants
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TX2k18 street racing
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<blockquote data-quote="BigPoppa" data-source="post: 16052717" data-attributes="member: 177587"><p>My 66mm turbine twins with .81 A/R start building at 2.5k. If your running a setup with a smaller turbine and it takes 5k to start spooling, I'd check the settings on the boost controller.</p><p></p><p>Something around the size of a 76/75 with a .81 A/R would spool around 5k.</p><p></p><p>Turbine size and turbine A/R are the heaviest factor in determining spool time. The compressor side does affect it slightly, but the effect is negligible compared to turbine side.</p><p></p><p>Just to make sure we're on the same page, were talking about when the turbo starts building boost or when you are at target boost? I'm referring to when boost starts to build.</p></blockquote><p></p>
[QUOTE="BigPoppa, post: 16052717, member: 177587"] My 66mm turbine twins with .81 A/R start building at 2.5k. If your running a setup with a smaller turbine and it takes 5k to start spooling, I'd check the settings on the boost controller. Something around the size of a 76/75 with a .81 A/R would spool around 5k. Turbine size and turbine A/R are the heaviest factor in determining spool time. The compressor side does affect it slightly, but the effect is negligible compared to turbine side. Just to make sure we're on the same page, were talking about when the turbo starts building boost or when you are at target boost? I'm referring to when boost starts to build. [/QUOTE]
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