By my calculations: 2.8L engine = 1.4L of air per revolution (4-stroke) 3600RPM = 5040 liters of air per minute 5040 l/m = 178 CFM Maybe an electric supercharger could handle this? Heck, what's one more 30-amp electric motor?!? Gus Schlachter VIN 34695 Austin, Texas P.S. Biodiesel smells like...nothing. It is actual "synthetic" diesel derived from animal/vegetable oils. The smelly cars are the ones that are burning the fry oil directly. > So, I find it hard to believe that the flexible hose > in this installation would allow enough air flow for > 230HP. You have to suck in huge volumes of air to > compress it to 7.5PSI and maintain it to fill 2.8L > even at 3500rpm.. Maybe someone wants to calculate > that all out and tell us what the diameter of pipe > needed for that volume of air is? Keep in mind, that > flexible hose will SHRINK under suction. [Non-text portions of this message have been removed] To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/