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July 26th, 2008, 10:58
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#2
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Torque Dorque
Join Date: Aug 2004
Location: Portland, OR 99.5 Jetta
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There's already a big thread on it. The consensus was that it is there to induce swirl across a broader rpm range, thus increasing torque and power for a given emission.
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Constant Speed Road Load Power(v, others) =1/2*rho (T, rH)*CdA*cross product*( Vtrue air)^3 + Crr*M*g* Vroad + parasitic_load (Tengine, oil_visc, other)
Red is for Vector, Bold is for things you can change.
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A few favorite things:..EnviroFit.. Modest Needs..NIST applet.. SHPEGS Project
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Originally Posted by Testy_SOB
I discovered long ago that putting a rolled up sock in my pants is cheaper then buying more vehicle then I need.
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Sign up for the dang WestFest already!
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July 26th, 2008, 11:04
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#3
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Veteran Member
Join Date: Apr 2008
Location: San Jose
Fuel Economy: see my signature image
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That was fast. Thanks. I'll have to do even more searching and find it.
One of my pet peeves about the forums is the tedium required when searching for something. Unless the title of the thread happens to match perfectly, one has to wade through countless useless threads to determine if, in fact, they are useless.
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July 26th, 2008, 11:14
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#4
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Veteran Member
Join Date: May 2007
Location: Quebec City
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Quote:
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One of my pet peeves about the forums is the tedium required when searching for something
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Totally agree with you, unfortunately a lot of forums search functions has the same problem.
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July 26th, 2008, 11:59
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#5
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teh stallionz!!1
Join Date: Nov 2004
Location: cape cod, ma
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i don't think there was any consensus on what exactly they do - lots of theories but no "hard facts". why wouldn't a pd150 have this magical technology if it was so good? my theory is it has to do with meeting the US emissions and works in conjuction with the ASV and EGR...
so... anyone got any *real* info on what they do, and not just theories?
link to original thread:
http://forums.tdiclub.com/showthread.php?t=130787
edit.. wow! someone actually looked at my pics!! 
__________________
05 jetta: 68k - rc4, 17/22, .658 5th, pd150 intake & 2.5" IC piping, 3bar map, vr6 maf, r32 air, egr+cooler delete, pd150 oil cooler, ccv filter, DG panzer plate & sigma5 shifter & oil bypass filter, fm100 5u fuel filter, 2.5" straight exhaust, OEM hitch & 5x8x4 home-built trailer! ...
06 golf auto: 70k - rc2 ...04 jetta auto: "rocketship" 140k - rc1+, 17/22 ...
1982 rabbit - recipient
1998 jetta TDI - donor
Last edited by burpod; July 26th, 2008 at 12:03.
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July 26th, 2008, 14:56
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#6
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Veteran Member
Join Date: Apr 2008
Location: San Jose
Fuel Economy: see my signature image
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Quote:
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Originally Posted by burpod
wow! someone actually looked at my pics!! |
Heck yeah -- great pics! Let's me know what I'm going to be in for when my k39 goes tango uniform and a VNT 17 (or, maybe more!) goes in.
Thanks for the link to the other thread. Interesting stuff.
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July 26th, 2008, 23:03
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#7
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Torque Dorque
Join Date: Aug 2004
Location: Portland, OR 99.5 Jetta
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Well I think you might benefit by reading the "how to search" thread  because you don't search by threads, you must click on the 'search by posts' and boolean. Then zero down the time frame to one year ago and older for this particular search.
Grasshopper, you must learn the ways of search. Use the force
Try not! Do.
__________________
.
Constant Speed Road Load Power(v, others) =1/2*rho (T, rH)*CdA*cross product*( Vtrue air)^3 + Crr*M*g* Vroad + parasitic_load (Tengine, oil_visc, other)
Red is for Vector, Bold is for things you can change.
.
A few favorite things:..EnviroFit.. Modest Needs..NIST applet.. SHPEGS Project
Quote:
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Originally Posted by Testy_SOB
I discovered long ago that putting a rolled up sock in my pants is cheaper then buying more vehicle then I need.
|
Sign up for the dang WestFest already!
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Butterfly valves in PD intake ports
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