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> Turbo Boost Pressure / Comp Ratio, Useful data chart
Maltese Falcon
post Dec 7 2009, 08:50 PM
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I found this chart (from Holley/ Weiand) in my archives and it basically calculates your actual total C/R by adding boost pressure to your static C/R. So my biturbo is running 7.0 static and at 22 psi boost pressure the engine is running at 17.3:1 total c/r. I use 100 octane for anything over 16 psi.
Sorry for the print quality of the chart.
Marty

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