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Re: T31 Exhaust upgrade
How exciting 
2 Cats wow ! Who'd thunk it.
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X-1318 (c)
AkaZulu
2003 Ti-L T30, Polar White
Bling: Chrome factory Nudgebar, Spotties, Sunroof, Bonnet Protector, Towbar, X-Trail Brake Decal, HiTech Full Exhaust System, K&N Air filter, DVD/MP3/GPS/Bluetooth/TV/USB/iPod/Touchscreen TFT
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9/Oct/2009, 1:33 pm
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Re: T31 Exhaust upgrade
quote:
AkaZulu wrote:
2 Cats wow !
Yeah, Meewwww
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9/Oct/2009, 1:55 pm
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Re: T31 Exhaust upgrade
great job guys... 
--- Michael
X-1400
2005 SE Red,Auto, 2.5l, Cosmo Racing CAI, AlphaMirror Auto-Dimming Mirror, RedlineTuning Gas Hood Struts, Rear Brake Decal
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9/Oct/2009, 9:15 pm
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Re: T31 Exhaust upgrade
Hi Guys,
We just came back from the dyno place.
The T31 CVT Petrol has managed to get a max of 82.9KW at the wheels out of the reported by Nissan 126KW at the flywheel which is not bad considering the T30 ATW figure was about 72KW for the Series II (which had 123KW at the flywheel)
The torque reading is much higher than expected at 251Nm compared to the factory reported figure of 226Nm.
I am a bit skeptical about the torque reading however as the dyno place run into problems with ESP engaging with CVT T31 and it has been confirmed by the dyno place that pushing the ESP button does NOT fully disengage ESP. They had to manually remove the ABS fuse to get a proper dyno reading.
They also confirmed that CVTs behavior on the dyno was erratic and un-stable which made dynoing the CVT T31 more difficult than the manual diesel but they got there at the end.
Stay tuned for further updates at the end of October regarding power and torque gains with the Hi-Tech system 
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12/Oct/2009, 2:59 pm
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Re: T31 Exhaust upgrade
Won't this "inconsistency" on the dyno mean results which will be not as accurate or believable as any other Xtrail models ?
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Kev X450(c)
2003 Titanium Ti Luxury Series 1 |
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12/Oct/2009, 5:46 pm
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Re: T31 Exhaust upgrade
Nope Kev, it won't if the same dyno will be used to measure the CVT T31 after the exhaust system is fitted, as the method of dynoing it will be exactly the same as today.
Plus, you can't compare the diesel to petrol anyway. Two different cars all together.
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12/Oct/2009, 5:50 pm
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Re: T31 Exhaust upgrade
Was it the same dyno as when you did your T30 ?
If not, then we can't really compare the T31 petrol figures to what your got either.
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Kev X450(c)
2003 Titanium Ti Luxury Series 1 |
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12/Oct/2009, 5:52 pm
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Re: T31 Exhaust upgrade
Kev,
I think I was very clear in my T31 diesel report when I mentioned that dynopack was used to dyno the T31s and yes, it is indeed different to the conventional dyno method we used for the T30 models. I don't think am gonna try and get Hi-Tech to dyno all T30s all over again since the gains were calculated using exactly the same dyno for the T30, so consistency is there.
The figures comparison I provided in my last between the T31 petrol CVT auto and the T30 petrol auto, was just for illustration purposes to show the loss in the drive-train between the 2 different automatic transmissions (much less with the CVT compared to the standard auto box)....nothing more.
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12/Oct/2009, 6:02 pm
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Re: T31 Exhaust upgrade
Hi Guys,
Lachlan and I will be heading to Bathurst on Tuesday 17th to get the CVT Petrol T31 exhaust system done. This will include the design of the full system (with extractors) and the cat. back system.
I will report back after we do the dyno run when we get back to Sydney.
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9/Nov/2009, 4:41 pm
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Re: T31 Exhaust upgrade
Have fun up there and keep away from those pokies!
Jalal - Please say G'day to the guys for me and let them know that they should be very proud of their work!
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Current - '08 T31 Platinum TL Diesel Manual
Mats, Boot Liner, Roofies, Spotties, Tint, Nudgebar, Tow Kit, Bash Plate, Yoko GO12 AT-S, Forum stickers.HiTech Twins, LED Mirrors, Bonnet Protector, LED steps
Old - '04 T30 Ti-L Auto
X-966
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16/Nov/2009, 7:25 pm
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