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Author Had the VXR on the dyno today...
craig8
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Registered: 31st Dec 04
Location: Glasgow
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13th Feb 10 at 20:06   View Garage View User's Profile U2U Member Reply With Quote

with astra owners network

went to extreme motorsport at whitburn and the guys there were bang on, almost every car that had an idea what it should be running were hitting the right numbers and only two didnt, one of the boxed diesels was pinking and the other only got standard figures even though it was supposed to be remapped

very happy with what mines got as the only mod is a CDTi airbox, anyway, pics...








E36 328
DAZ1985
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Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
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13th Feb 10 at 20:10   View User's Profile U2U Member Reply With Quote

Going be honest and ask why the cdti air box? im clueless about vxr's
AndyKent
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13th Feb 10 at 20:10   View User's Profile U2U Member Reply With Quote

Love these in silver, got my eye on one exactly the same nearby
corsadonk
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Registered: 4th Jul 09
Location: Marlborough, Wiltshire
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13th Feb 10 at 20:16   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by DAZ1985
Going be honest and ask why the cdti air box? im clueless about vxr's


It replaces the cross over pipe. Shorter route
Ben G
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Registered: 12th Jan 07
Location: Essex
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13th Feb 10 at 20:20   View User's Profile U2U Member Reply With Quote

nice figure that.
Jamie_Hastings1
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13th Feb 10 at 20:30   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by corsadonk
quote:
Originally posted by DAZ1985
Going be honest and ask why the cdti air box? im clueless about vxr's


It replaces the cross over pipe. Shorter route


Also reduces heat soak as it doesn't pass over the engine
craig8
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13th Feb 10 at 20:31   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by DAZ1985
Going be honest and ask why the cdti air box? im clueless about vxr's


corsadonk is right, shorter route to the turbo, wasnt sure it would make any difference power wise but between 2k and 4k it pulls a lot harder with it on


E36 328
MatthewR
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Registered: 21st Oct 02
Location: Rickmansworth
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13th Feb 10 at 23:52   View User's Profile U2U Member Reply With Quote

silver VXR mmmmmm
Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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14th Feb 10 at 00:00   View User's Profile U2U Member Reply With Quote

What are these VXR's standard??240bhp??
So youve gained 18bhp just by replacing the airbox??
John
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14th Feb 10 at 00:03   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by craig8
only got standard figures even though it was supposed to be remapped





Just read that on AON.

It's really, really easy to tell if it's been mapped or not.
Ben G
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14th Feb 10 at 00:10   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Corsa_Sport21
What are these VXR's standard??240bhp??
So youve gained 18bhp just by replacing the airbox??


237bhp.

21bhp difference. he might well be using bp ultimate or tesco 99 aswell.



[Edited on 14-02-2010 by Ben G]
craig8
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14th Feb 10 at 09:48   View Garage View User's Profile U2U Member Reply With Quote

yeah, using tesco 99
well in comparison, the standard vxr that ran before me was near enough 240bhp and hellens who ran after mines was 248bhp and 259lb/ft



E36 328
DAZ1985
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14th Feb 10 at 09:50   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Jamie_Hastings1
quote:
Originally posted by corsadonk
quote:
Originally posted by DAZ1985
Going be honest and ask why the cdti air box? im clueless about vxr's


It replaces the cross over pipe. Shorter route


Also reduces heat soak as it doesn't pass over the engine


sounds a good cheap mod
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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14th Feb 10 at 09:52   View User's Profile U2U Member Reply With Quote

Cheap?
craig8
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14th Feb 10 at 09:57   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Ojc
Cheap?


mines cost 110 and i got some hose clamps and stuff from work, no chance i was paying 250 for one from a tuner


E36 328
RCoughtrie
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Location: East Ayrshire Scotland
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14th Feb 10 at 09:58   View User's Profile U2U Member Reply With Quote

Doing well mate
Ojc
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Location: Reading: Drives : Clio 197
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14th Feb 10 at 10:42   View User's Profile U2U Member Reply With Quote

Not so bad then.
craig8
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14th Feb 10 at 12:28   View Garage View User's Profile U2U Member Reply With Quote

yeah, pretty happy with it, shame he couldnt get the AFR's as thne probe doesnt fit in the tailpipe


E36 328
mattk
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Registered: 27th Feb 06
Location: St. Helens
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14th Feb 10 at 12:37   View User's Profile U2U Member Reply With Quote

diesels are supposed to pink
Warren G
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Location: Kent
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14th Feb 10 at 12:38   View User's Profile U2U Member Reply With Quote

im guessing meaning self igniting before its supost too....

did the 1.9 airbox make much difference?

i want a 2.2 one for mine, to make it look more standard oem look
craig8
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14th Feb 10 at 13:09   View Garage View User's Profile U2U Member Reply With Quote

the 1.9 box makes the car pull harder from 2k up to about 4k rpm, not sure what the 2.2 set-up is like, got and pics?

if you can do it cheaper than buying it from a tuner then i would say it is worth it

this is a graph from the standard vxr that ran before mines, just for comparison





[Edited on 14-02-2010 by craig8]

[Edited on 14-02-2010 by craig8]


E36 328
Iain M
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Registered: 18th Aug 05
Location: Wigan - Drives 272bhp corsa ZLET
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14th Feb 10 at 13:48   View User's Profile U2U Member Reply With Quote

i want to do that mod also but still figuring a way to do it. Is the boc the same size as the 1.8 airbox so i can use exsistig mounts.
craig8
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14th Feb 10 at 17:45   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Iain M
i want to do that mod also but still figuring a way to do it. Is the boc the same size as the 1.8 airbox so i can use exsistig mounts.


not sure what the 1.8 box is like, if it has the rubber mounts at the back that the torx headed bolt goes into, and u rubber lug under the box then it should fit


E36 328
matt_aka_smiler
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Registered: 7th Dec 05
Location: Stoke-on-Trent Drives: MK4 Astra GSi Turbo
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14th Feb 10 at 20:17   View User's Profile U2U Member Reply With Quote

all the boxes are the same size. I have the 2.2 box on mine but i think the 1.9 box looks better, both do the same thing tbh. theres a guy on vxronline called percy will do you a 1.9 box air filter and necessary pipe work not sure on price. Also you need to route the breather hose back into the air system otherwise the cabin will smell of oil
Iain M
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Registered: 18th Aug 05
Location: Wigan - Drives 272bhp corsa ZLET
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15th Feb 10 at 09:31   View User's Profile U2U Member Reply With Quote

Yeah got the breather pipe and that bit sorted just wanted the box rather than open cone

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