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What determines required compression ratio for turbo applications?

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Old Jun 26, 2008 | 11:27 AM
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stu da rude
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From: West Mids
Default What determines required compression ratio for turbo applications?

Howdy all,

Im curious, what exactly determines required C/R for turbo applications? i.e. of late, i keep hearing people say "you need low comp for big boost", i kind of get the jist in as much as a headgasket can only take a given amount of internal pressure, but how do the two relate?
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Old Jun 26, 2008 | 11:53 AM
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Originally Posted by stu da rude
Howdy all,

Im curious, what exactly determines required C/R for turbo applications? i.e. of late, i keep hearing people say "you need low comp for big boost", i kind of get the jist in as much as a headgasket can only take a given amount of internal pressure, but how do the two relate?
Just done a comprehensive article in Fast Ford that covers such things if you can grab a back issue.
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Old Jun 26, 2008 | 10:00 PM
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From: shotminster
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fast ford tech help is really good
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