I disagree to some extent, if you remove that very restrictive air filter housing with a more free flow unit you will notice a different. Hey i Supercharged my 5.0 with stock exhaust and i noticed a difference and then i upgraded the headers and exhaust and noticed more of a difference. I just added a K+N air filter to my 3.8 Windstar and could tell the difference. Mark V On Wednesday, December 1, 2004, at 10:33 PM, David Teitelbaum wrote: > > > > To improve the breathing on the PRV you cannot just do "one side". > What goes in must also come out. You will not realize much improvement > unless you also do something to the exhaust system too. While you are > at it porting and polishing would help, camshafts, larger valves, and > so on, and so on. The PRV was a very engineered system. This means you > will not gain very much unless you do many things all at once. The > whole system was optimized with all the stock parts so there is no > "magic bullet". Some think a hotter coil will do it. In reality the > old coil was just tired so ANY new coil would be an improvement. The > "best bang for the buck" is a complete tune-up with new Bosch parts. > Then if you want to go further at least you are starting out with a > properly running baseline of performance. Performance parts can be > EXPENSIVE and will not give you a whole lot of improvement (unless the > parts you are replacing were shot to begin with). > David Teitelbaum > vin 10757 > > > -- In dmcnews@xxxxxxxxxxxxxxx, "Mike Polzin" <MPolzin@xxxx> wrote: >> >> John, >> The system that John is selling is not a new thing, I have been > running one >> on my car for well over a year. It was initially designed by Casey > > > > > > > > > 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 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/