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02-12-2012, 12:41 PM
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#18 (permalink) |
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Base Member
Join Date: Dec 2010
Location: north carolina
Posts: 112
Drives: 09 370z mb 7A
Rep Power: 15  |
Ok dyno has been completed final numbers with the stillen intake and motordyne test pipes 297whp 253 tq, the guy tuning my car said he tried and tried but couldn't squeeze anything else out of that set up, he told me that he thought the y pipe could be causing to much back pressure or something along those lines, and at an h or x pipe would be a more ideal setup for my car...any thoughts. O the 297 was also the last pull of the day so the car was very hot
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H and R springs, top speed cat back, motordyne art pipes, stillen gen 3. |
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02-12-2012, 02:14 PM
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#19 (permalink) |
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A True Z Fanatic
Join Date: Jan 2010
Location: Windermere, FL
Posts: 1,618
Drives: '13 XKR-S, '10 370Z
Rep Power: 18 |
Top Speed exhaust uses a y-pipe? What size is it?
Edit: Oh wait...Top Speed uses OEM y-pipe? That's definitely a pretty pointless exhaust then. You just wasted money dynoing a car while using the worst and most restrictive part of our OEM exhausts. Last edited by AlphaSnacks; 02-12-2012 at 02:17 PM. |
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02-12-2012, 05:18 PM
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#20 (permalink) |
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Base Member
Join Date: Dec 2010
Location: north carolina
Posts: 112
Drives: 09 370z mb 7A
Rep Power: 15 |
It's not the oem y pipe and its 3 in, but even if it was why would you think that it would be pointless to do a dyno when I have other bolt ons?
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H and R springs, top speed cat back, motordyne art pipes, stillen gen 3. |
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02-12-2012, 07:27 PM
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#21 (permalink) |
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A True Z Fanatic
Join Date: May 2011
Location: KCMO
Posts: 3,458
Drives: 09 370z S/T 6MT
Rep Power: 20  |
Wait so u lost 1 peak hp after all that? What about mid range? What about tq? afr's? Can u somehow throw the before and after dynos up for comparison?
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09 370Z ST 6MT//Injen CAI//Greddy CBE//TP//TSW's//Swifts//Stillen lip//Whiteline sways 326whp/268tq  Last edited by edub370; 02-12-2012 at 07:33 PM. |
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02-14-2012, 09:25 AM
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#23 (permalink) |
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Base Member
Join Date: Dec 2010
Location: north carolina
Posts: 112
Drives: 09 370z mb 7A
Rep Power: 15 |
I don't have the dynos right now I'm back in school and I am away from my z I'll post em up this weekend but yes I did lose 1whp but gained 2tq, the tuner seems to think the y pipe is causing the lower gains because my stock dyno was with the nismo exhaust and it is an h pipe
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H and R springs, top speed cat back, motordyne art pipes, stillen gen 3. |
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02-14-2012, 10:46 AM
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#24 (permalink) | |
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My *** is famous!
 
Join Date: Mar 2010
Location: Alpharetta, GA
Posts: 4,849
Drives: 2013 Boss 302 PW
Rep Power: 31  |
Quote:
Like i said and others said, dyno's on different days = hard to really compare back to back, unless you run them at some super awesome facility which can control air temps, humidity etc etc. But even then, they could be diff everytime you go back. For example, if you went back this weekend and just got a dyno, your numbers would be diff. Heck ask em if they will give you one or 2 free runs just to see that out. One decent way to see how your numbers line up is to go to a dyno day. 2 years ago when we did a dyno day, all the stock Z's posted up numbers within 3 whp of each other. |
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