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thevojtiseks thevojtiseks is offline
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Join Date: Jun 2003
Posts: 77
Specific power output increase - How ?

I have a early 2.2S 911 which has a 2.2 liter engine and 180hp at 7200rpm. This gives a specifc output of around 82 bhp per litre. I'm looking at the latest Porsche engine offering and I see specific outputs around 93 bhp per liter at 6,600rpm in the carrera S and 87.5 in the Boxster S at 6,200. My question i how do they do it ?? I had always assumed higher rpm's = higher bhp, but this seems to be going the other way. I assume the vvt and variable intake don't do much for peak hp but help spread out the power over a wider rpm range. Thanks !
Old 03-03-2006, 05:55 PM
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