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Old 02-14-2010, 03:23 PM
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bulldog426 bulldog426 is offline
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Default compression-blown/nitrous??

what is the most compression you can run with a turbo, blower or supercharger, and run enough boost to be effective??
and also what is the most compression you can have with dual stages of nitrous??
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Old 02-15-2010, 02:57 AM
DartGT66 DartGT66 is offline
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Depends of the fuel used. In nitrous engines they use pretty much about the same CR as in naturally aspirated engines. In a boosted engine, depends for example of the amount of boost, wether an istercooler is used or not etc etc. Itäs not really very simple. We have a roots blown BB that has 8:1 CR, seems to be pretty much on the edge at 13 psi and 30 degrees spark advance on pump gas. turbo engine with the same amount goes fine with 8.6:1.
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