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10-20-2005, 07:01 PM | #1 |
Scooby Specialist
Member#: 12223
Join Date: Nov 2001
Chapter/Region:
MAIC
Location: Pittsburgh Pa
Vehicle:2005 WRX |
Anyone have a dyno of a vf-34 vs stock?
I am looking to see the difference in spool up between the two. I might pick one up I just need to see if it will be to laggy for autocross.
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10-20-2005, 07:36 PM | #2 |
Scooby Newbie
Member#: 45225
Join Date: Oct 2003
Location: Cincinnati
Vehicle:2003 wrx pearl blue |
im interested too!
We just installed the v34 setup in my 03 wrx! Runs great, way smoother.
fyi there was not much difference in spool time, plus you would want a catless upipe (so the cat wont get sucked back into the turbo) uppipe makes a big difference. i like it, good luck! Ryan |
10-20-2005, 07:44 PM | #3 |
Scooby Specialist
Member#: 67080
Join Date: Jul 2004
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Not exactly stock car vs stock VF34 setup, but it is stock TD04 vs VF34 comparison. The red graph is my car (TD04, APS Uppipe, Prodrive Centerpipe, STi axleback, Dynocomp Stage .5) Blue graph is my friend's (VF34, ERZ Uppipe, Helix catless turboback, Cobb Stage 2.5). Both are shelf maps if you're wondering. Dyno runs are road dynos, but it's close in measurement from what I've seen some other cars I've dynoed vs a real dyno readout on those same cars. BTW, 13.6 psi on TD04 and 16.6 psi on VF34. Both runs in 3rd gear. |
10-20-2005, 08:45 PM | #4 |
Scooby Specialist
Member#: 12223
Join Date: Nov 2001
Chapter/Region:
MAIC
Location: Pittsburgh Pa
Vehicle:2005 WRX |
Thanks that is what I am looking for.
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10-20-2005, 09:55 PM | #5 |
Scooby Specialist
Member#: 89628
Join Date: Jun 2005
Location: Hawaii, Oahu
Vehicle:'02 Wagon VF39'd & Quick Racked |
Boy, that's a huge difference down low. I've been pondering a VF34, but I'm not ready to give up that much low end grunt yet.
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10-20-2005, 10:54 PM | #6 |
Scooby Newbie
Member#: 68450
Join Date: Aug 2004
Location: Bethesda, MD
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How about a vf34 vs. a vf39? which of those two spools faster, produces more power, and is smoother to drive?
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10-20-2005, 11:38 PM | #7 |
Scooby Newbie
Member#: 83908
Join Date: Mar 2005
Chapter/Region:
MAIC
Location: Yorktown, VA
Vehicle:2011 WRX 5-Door SWP |
In reality they are about the same, but technically, the VF39 should spool SLIGHTLY faster and produce a little bit less power.
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10-21-2005, 05:22 PM | #8 | |
Scooby Specialist
Member#: 67080
Join Date: Jul 2004
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