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Originally Posted by ZeeingAround I was out on a run tonight for about 15 minutes of on ramps and off ramps. Shifting in the 5k to 6K range. The car
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06-27-2011, 03:05 PM
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#1 (permalink) | |
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Base Member
 
Join Date: Jun 2010
Location: Germany
Posts: 35
Drives: Nissan 370Z
Rep Power: 16  |
Quote:
right ! it must have something to do with the exhaust. i had a friend here to check this. he is a former mechanic of zakspeed formula one team. i guy who knows a lot about engines. he told me, of course the diameter and the design of exhaust systems causing higher temp and of course a different power output - which is not always higher. a wrong system - design can make your car less powerful. i am really disappointed and thinking to change the exhaust for a different one or go back to oem. |
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06-27-2011, 03:22 PM
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#2 (permalink) |
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A True Z Fanatic
Join Date: Mar 2009
Location: North East
Posts: 6,203
Drives: 09 370Z Sport M6
Rep Power: 654  |
Just make sure it is 98 octane or higher (RON/ROR/ROZ).
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06-27-2011, 04:32 PM
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#3 (permalink) |
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Base Member
Join Date: Apr 2011
Location: Prague
Age: 37
Posts: 138
Drives: 370Z
Rep Power: 15  |
What could be aftermarket exhaust is that O2 sensors are reading values, that is causing ECU is trying to enhance A/F ratio and with more too much fuel or too low could cause this.
Dad had same issue 10 years ago on VQ20ER engine. In 25 000kms were catalytic converter burned also with headers and gaskets  If you come to Czech, let me know if you are interested to make CZ/DE 370Z meeting 
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-->2005-6 Nissan Micra 1,3i CVT 72PS Red MY 98 -->2006-8 Nissan Almera 1,5i N16 96PS Red -->2007-8 Skoda Fabia Combi 1,2HTP 3 cylinder 60PS Green -->2008-11 AUDI TT 2,0TFSI FWD S-tronic 200PS Red MY06 -->2011 Nissan 370Z manual White Pearl 
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