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Turbos, air flow, and boost... turbo newb in need of clarifiaction
I was just reading the thread on someones 14b install and I was reading about the flow numbers. They are in lbs per minute right? I was wondering... what the flow numbers were for some of the common turbos specifically the 14b, evo III 16g, and the 20g? I tried to search, but I didnt find much probably because I dont know where to start. I did find a writeup of Kevins on turbos that I think should be stickied, thanks for the info Kevin. The boost pressure is how much force is being put on the air going into the engine and the more pressure the more air until the turbo cant force more air in right? So what would be better, to run a big turbo at low boost or a smaller turbo at higher boost? My friend and I are both wanting to build up our (when I get mine) DSM's and we are trying to get our mods planned or atleast have an idea of what we are up against. We are planning on upgrading the internals, but not until later so we are planning on getting our cars to around 350 and then build the internals and go up some more. Since my first thread, I have wanted a evo III 16g, but I know that they are only good to around 400 hp. Now I was wondering with my new found knowledge on air flow, I was thinking about a 20g at lower boost until the internals and then turning it up some for more power. Is that a good idea? The car will be daily driven, but I want to run some low times in the 1/4. Also, where about would the spool time be at on a 20g? Thanks guys!
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Build on hold until I get a good paying job, either in school or once I get out. At that time a full tear down and complete rebuild should be in order.
The Purple People Eater will ride again... January 2011 can't come soon enough.
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