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Case Study - 2 Evo IX Stage I cars - one with test pipe one with high flow cat

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Old Sep 12, 2007 | 07:29 PM
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From: 2003 Evo VIII - Silver
Case Study - 2 Evo IX Stage I cars - one with test pipe one with high flow cat

Please dont try and draw any conclusions from this very small sample - cars vary from car to car and gas varies greatly in volitility and octane

I am just posting these for food for thought and also informational purposes

These cars both had what I call a Stage I (using Buschur terminology) Intakes - Exhuast and MBC's with a Walbro fuel pump and Dyno Flash

The first one has a high flow cat and the Buschur Intake



The second one was a very strong running one with a test pipe and a HKS RS Intake



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Old Sep 13, 2007 | 05:35 AM
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From: NH
the second car is my IX tuned by Al yesterday and ill be writing a full review shortly, but all i can say right now....

WOW! Al is the man and the car runs perfect and very strong for stage 1.

the 340whp and 328wtq was made at only 21psi on pump

off to write my review...

matt
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Old Sep 13, 2007 | 10:04 AM
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From: CT
Thats awesome man! I believe that's my dyno chart that Al used with the HFC. I was tuned by him last week.

What are your numbers after they are SAE corrected? Mine went down to about 320whp.
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Old Sep 13, 2007 | 10:34 AM
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From: Near the hOle
Notice the torque is higher with the HFC.....
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Old Sep 13, 2007 | 10:43 AM
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From: Long Island, NY
hey al, if i was 317 on the shop dyno, what would that roughly be on the ics dyno?
i'll be sceduling the cam install and retune soon, i spoke to u a couple of days ago
thanks cj
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Old Sep 13, 2007 | 11:20 AM
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From: ft lauderdale
those are the exact numbers i made with my setup...depending on your driving, you got a 11 second car!!
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Old Sep 19, 2007 | 09:06 PM
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From: NH
actually, i just looked real close...

the TQ spikes higher on the HFC, BUT! if you look at it closely, the second car (mine) actually has a smoother TQ curve and seems to make more TQ over a slightly longer period...

so, that is kind of interesting...look at the TQ curve from 3500-5500 on both
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Old Sep 20, 2007 | 07:22 AM
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From: Princeton, NJ
yo, u dont have o2 housing right? ur boost curve seems to peak like it should be a stock o2.
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Old Sep 21, 2007 | 05:12 AM
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From: Seattle
looks like a little back pressure helped with the TQ, and the better flow helped with HP. BIG SUPRISE

11 horse vs 12 tq? WHO WINS? that is the question HAHAHAB AHAABABAHAH
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Old Sep 21, 2007 | 07:58 AM
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From: 2003 Evo VIII - Silver
ha!
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Old Sep 24, 2007 | 10:53 PM
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From: houston
may i ask what kind of Dyno was used? i am only familiar w/ Dynojet, DynoDynamics, and Mustang... so just trying to get a better idea of the power you guys are making... very impressive #s btw.
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Old Sep 24, 2007 | 11:10 PM
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From: 2003 Evo VIII - Silver
dyno jet 424 X
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