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Originally Posted by JFP in PA
Let’s see: You are going to use a supercharger on an engine with 11:1 compression ratio…………..yeah, that will be spectacular, but only very briefly……….
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I don't know, I'm beginning to change my personal opinion on this one. It seems that our engines can take mild amounts of boost (6 psi) without too much trouble. Granted this is with proper tuning though. The eBay kit discussed here doesn't include any form of tuning (except maybe fuel pressure regulation).
Last night I was checking out some threads on superchargers on 6speedonline for the 996. There are lots of guys who've been running the VF Engineering supercharger on their 3.6L cars for 20,000 miles or more with no problems except an occasional CEL. There's even a dedicated thread to them logging their experiences and dyno results. I was pretty impressed. As the 3.2L on the Boxster S is just an underbore version of the 3.6L, with thicker cylinder walls, it should hold up to 6 psi even better.... I'm just not sure that what is currently offered for the Box is setup and tuned as well as the VF Engineering option is for the 996/997. 
Kirk
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2000 Boxster S - Gemballa body kit, GT3 front bumper, JRZ coilovers, lower stress bars
2003 911 Carrera 4S - TechArt body kit, TechArt coilovers, HRE wheels
1986 911 Carrera Targa - 3.2L, Euro pistons, 964 cams, steel slant nose widebody
1975 911S Targa - undergoing a full restoration and engine rebuild
Also In The Garage - '66 912, '69 912, '72 914 Chalon wide body, '73 914
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