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SVTPerformance's Chain of Restaurants
A Taste of Home
West
How much Boost lost due to Altitude?
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<blockquote data-quote="SheepDog" data-source="post: 15982126" data-attributes="member: 190599"><p>Thank you, I didn't factor that in. I've only ever had Turbo cars before, and the Wastegate operation is based on actual pressure so the turbo will simply spin harder to achieve desired boost. (Provided it isn't mechanically limited) I guess since the Centri's are only ever going to be spun as fast as they are driven, a given impeller speed will indeed produce more or less boost based on air density.</p><p></p><p>Looks like on average 90 degree summer day in my town, the Density Altitude is 8627 feet, so basically the Moon. This would certainly cause the 5 or so PSI loss I'm seeing. Looks like on a nice cold winter Day, I will get all of that back, with a DA of 4762 Feet. This also comes with frozen roads and cold tires, so more power and less traction. Maybe I need 2 Prochargers. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p>Thanks for the help Sirs.</p><p></p><p>Here is a link to the calculator I was using. <a href="https://wahiduddin.net/calc/calc_da.htm" target="_blank">Density Altitude Calculator - English/Metric</a></p></blockquote><p></p>
[QUOTE="SheepDog, post: 15982126, member: 190599"] Thank you, I didn't factor that in. I've only ever had Turbo cars before, and the Wastegate operation is based on actual pressure so the turbo will simply spin harder to achieve desired boost. (Provided it isn't mechanically limited) I guess since the Centri's are only ever going to be spun as fast as they are driven, a given impeller speed will indeed produce more or less boost based on air density. Looks like on average 90 degree summer day in my town, the Density Altitude is 8627 feet, so basically the Moon. This would certainly cause the 5 or so PSI loss I'm seeing. Looks like on a nice cold winter Day, I will get all of that back, with a DA of 4762 Feet. This also comes with frozen roads and cold tires, so more power and less traction. Maybe I need 2 Prochargers. ;) Thanks for the help Sirs. Here is a link to the calculator I was using. [URL='https://wahiduddin.net/calc/calc_da.htm']Density Altitude Calculator - English/Metric[/URL] [/QUOTE]
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SVTPerformance's Chain of Restaurants
A Taste of Home
West
How much Boost lost due to Altitude?
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