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The only way to know for sure would be to conduct more tests...burn whatever gas is in the tank and fill it with 92/93 and try again.
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04-06-2009, 01:55 PM
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#31 (permalink) |
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Base Member
Join Date: Apr 2009
Location: Portland, OR
Posts: 36
Drives: 08 350Z
Rep Power: 16  |
The only way to know for sure would be to conduct more tests...burn whatever gas is in the tank and fill it with 92/93 and try again.
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08 350Z-6spd-Magnetic Black |
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04-06-2009, 02:14 PM
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#32 (permalink) |
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Premium Member
 
Join Date: Jan 2009
Location: North GA
Posts: 6,831
Drives: Twin Turbo Z34
Rep Power: 3682  |
Forged Performance: A couple of visitors stopped by...
Take a look at our Dyno Graphs on 93oct... We didnt see any knock whatsoever. I chalk it up to bad gas if anything. Ben is actually running your HFCs and exhaust. I am bone stock and when you look at the graphs they are nearly identical. |
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04-07-2009, 02:20 AM
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#34 (permalink) |
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The370Z.com Sponsor
Join Date: Jan 2009
Location: Irvine CA
Posts: 279
Drives: Lots....
Rep Power: 272 |
Nice! I'm totally stoked at how much power these 370's are picking up with just simple exhaust mods.
It's time for us to develop the Berk Technology 370Z exhaust......
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 While the others type fast... Berk Technology goes fast.... See you at the track! OUR NEW PHONE NUMBER: (714) 546-BERK READ THE BERK BLOG HERE |
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04-07-2009, 05:02 AM
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#35 (permalink) | |
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A True Z Fanatic
Join Date: Nov 2008
Location: Orange County, CA.
Posts: 1,205
Drives: 370Z Tour, Spt, 6mt
Rep Power: 645 |
Quote:
Yes, you should do that, how long would you need my car for R&D?  BTW, are the HFC's back in stock ?
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 370z Tour| Spt Pack|Navi|BERK CBE|Berk HFC's| Eibach Springs| Hotchkis Sway Bars|SPC Camber Arms|15mm Ichiba Wheel Spacers| 19"Factory Nismo Wheels-Matt Black|Stop Tech Rotors|TWM Shifter|3M Tint|Black Fangs|Black Rear Valance|JDM Fog Light| MY BAND-www.myspace.com/petroleum
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04-07-2009, 11:35 AM
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#36 (permalink) |
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Enthusiast Member
Join Date: Feb 2009
Location: Ohio
Posts: 412
Drives: 16 Cayman GT4 Red
Rep Power: 220 |
Knock is a tough one to call on a single blip. I ran a knock sensor on my GTS-3 944 turbo. It was tuned with an Electromotive Tec3. I made plots with race gas, 50/50 blends and with 93 octane. You could see blips in all of them.
What you had to do was get an idea of what the fingerprint looked like for knock. There was always some noise. If it went out of that range there was an issue. This all took a lot of time and it wasn't done on one dyno day.
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16 Cayman GT4, Carmine Red, Buckets, PCCB etc. |
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04-13-2009, 01:40 AM
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#37 (permalink) | |
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The370Z.com Sponsor
Join Date: Jan 2009
Location: Irvine CA
Posts: 279
Drives: Lots....
Rep Power: 272 |
Quote:
If you want to bring your car by for the exhaust R&D that would be awesome. We would need the car for about a week. We'll give you a free set of HFC's or we can give you a free exhaust when the production pieces are available. Let me know! Email us or give us a call. 714-546-BERK
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While the others type fast... Berk Technology goes fast.... See you at the track! OUR NEW PHONE NUMBER: (714) 546-BERK READ THE BERK BLOG HERE |
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04-13-2009, 02:25 AM
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#38 (permalink) |
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A True Z Fanatic
Join Date: Jan 2009
Location: GSO
Posts: 2,803
Drives: VIR
Rep Power: 188 |
 that's a great deal for whoever can take you up on it... here's another dyno chart for inspection, for all the knock experts ! at around 4,400, I think I see a BLIP !! perhaps we need another thread for BLIPs ! 
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04-13-2009, 08:04 AM
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#39 (permalink) | |
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A True Z Fanatic
Join Date: Nov 2008
Location: Columbus, OH
Posts: 1,940
Drives: Mag. Black 2009 370Z
Rep Power: 705 |
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04-13-2009, 11:37 AM
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#40 (permalink) |
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Track Member
Join Date: Nov 2008
Location: San Antonio, TX
Posts: 634
Drives: 07 NISMO 350Z SA M6
Rep Power: 491 |
Are you guys sure this isn't the VVEL system kicking in? On cars like Honda with the Vtec system they have a little switch over that shows up. Just a assumption here.
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SOLD: 2007 NISMO 350Z #0044 Silver Alloy New DD: 2010 Titan Pro4X CC |
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