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Author Astra VXR now at stage 5 with Courtney sport
FruitBooTeR
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Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
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17th Mar 10 at 20:31   View User's Profile U2U Member Reply With Quote
Impressive 373bhp

http://www.youtube.com/watch?v=ZDdgBrIqB3A



Stage 5 Astra VXR, -

Cast Manifold
Garrett Turbo
Klasen Inlet Manifold.
1.9 CDTI Conversion
Intercooler
Piper 3" Exhaust system.

(This car has had the internals uprated)

All from courtney sport, im thinking mega £££ ..... deffo worth it though if its proven to be reliable.

[Edited on 17-03-2010 by FruitBooTeR]
shane_o
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Registered: 15th Sep 05
Location: Yeovil, Somerset
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17th Mar 10 at 20:40   View User's Profile U2U Member Reply With Quote
looks fairly impressive, whats the cdti conversion? just the airbox? thats got to be mega money?
FruitBooTeR
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Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
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17th Mar 10 at 20:46   View User's Profile U2U Member Reply With Quote
Yeh just the air box, some people are agaisnt them as they can throw up error codes but they do seem a popular modification in the VXR world.

Yeh Id hate to recieve the bill of Courts for all those goodies
Joe
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Registered: 20th Jun 04
Location: Hesketh Bank, Lancashire
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17th Mar 10 at 20:48   View User's Profile U2U Member Reply With Quote
Why would an airbox throw up fault codes?
FruitBooTeR
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Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
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17th Mar 10 at 20:50   View User's Profile U2U Member Reply With Quote
Beause you have to chop wires and extend them which I think messes with the MAF's readings, im not sure I know they do sometimes though.
Adam C
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Registered: 10th Jan 07
Location: Cornwall UK Drives:Arden Blue Gsi T
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17th Mar 10 at 20:57   View Garage View User's Profile U2U Member Reply With Quote
That sounds

My Arden Blue Astra GSi MK4 on BBS LM's Project Thread
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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17th Mar 10 at 21:10   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Joe
Why would an airbox throw up fault codes?


Because people are idiots and don't do it properly.

I'm not a fan of the conversion, it looks good but I'm not messing around with what Vauxhall intended.
SAL
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Registered: 19th Dec 05
Location: Radlett, Hertfordshire
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17th Mar 10 at 21:13   View Garage View User's Profile U2U Member Reply With Quote
That needs solid engine mounts or at least uprated
Warren G
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Registered: 14th May 06
Location: Kent
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17th Mar 10 at 21:13   View User's Profile U2U Member Reply With Quote
vauxhall never intended to be stage 2 mapped...meaning dump valves wouldnt split

i think it looks tidy conversion, shame you can get OE pipes then i would 100% have one

cant see why they have that cross over pipe tbh, just makes the route longer and more heat soak from the hot engine, the corsa vxr doesnt have one...
ed
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Registered: 10th Sep 03
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17th Mar 10 at 21:14   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by FruitBooTeR
Beause you have to chop wires and extend them which I think messes with the MAF's readings, im not sure I know they do sometimes though.
Extending wires wouldn't mess up anything. People's poor workmanship messes things up.
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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17th Mar 10 at 21:15   View User's Profile U2U Member Reply With Quote
You know what I mean.

It needs their new engine mount, I need one ASAP
Pete_vxl
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Registered: 24th Nov 06
Location: Lochgelly, Fife
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17th Mar 10 at 21:19   View User's Profile U2U Member Reply With Quote
380bhp gsi is on that page too. Impressive figures from both cars.
Warren G
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Registered: 14th May 06
Location: Kent
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17th Mar 10 at 21:20   View User's Profile U2U Member Reply With Quote
i know what you mean x

yours shoot ollie?

silicon it up
Joe
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Registered: 20th Jun 04
Location: Hesketh Bank, Lancashire
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17th Mar 10 at 21:28   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Ojc
quote:
Originally posted by Joe
Why would an airbox throw up fault codes?


Because people are idiots and don't do it properly.

I'm not a fan of the conversion, it looks good but I'm not messing around with what Vauxhall intended.


Fair enough, pics? Can't be that much difference between the 2 though surely?
craig8
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Registered: 31st Dec 04
Location: Glasgow
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17th Mar 10 at 21:35   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Joe
quote:
Originally posted by Ojc
quote:
Originally posted by Joe
Why would an airbox throw up fault codes?


Because people are idiots and don't do it properly.

I'm not a fan of the conversion, it looks good but I'm not messing around with what Vauxhall intended.


Fair enough, pics? Can't be that much difference between the 2 though surely?




thats mines before the hoses were all trimmed back and heres the map from the RR day i was at



the car pulls much harder from 2k up to about4 or 5k and drives a lot better

E36 328
Warren G
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Registered: 14th May 06
Location: Kent
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17th Mar 10 at 21:43   View User's Profile U2U Member Reply With Quote
what were standard vxr cross overs pulling in the torque?

as it peaks dips, then picks up again....wounder if thats due to the airbox
P1CK4D
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Registered: 19th Jun 06
Location: Around Essex Somewhere
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17th Mar 10 at 21:47   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Warren G
cant see why they have that cross over pipe tbh, just makes the route longer and more heat soak from the hot engine, the corsa vxr doesnt have one...


Whats a FMIC for if not to change the intake air temps to as cold as poss?
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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17th Mar 10 at 22:07   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by P1CK4D
quote:
Originally posted by Warren G
cant see why they have that cross over pipe tbh, just makes the route longer and more heat soak from the hot engine, the corsa vxr doesnt have one...


Whats a FMIC for if not to change the intake air temps to as cold as poss?


true in a sense. although if you erradicate all other possible heat sources from the inlet set up as good as possible, it will benefit further, ie what warren g is regulating.
Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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17th Mar 10 at 22:32   View User's Profile U2U Member Reply With Quote
i hate this homosexual "stage 5" bollocks.

So i.e an Astra Vxr with 373bhp. Thats got to be 430bhp on Regals dyno.
craig8
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Registered: 31st Dec 04
Location: Glasgow
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17th Mar 10 at 22:33   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Warren G
what were standard vxr cross overs pulling in the torque?

as it peaks dips, then picks up again....wounder if thats due to the airbox



the standard vxr that ran before me, just for comparison




[Edited on 17-03-2010 by craig8]

E36 328
frostyD
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Registered: 16th Mar 07
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17th Mar 10 at 23:04   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Jambo
i hate this homosexual "stage 5" bollocks.

So i.e an Astra Vxr with 373bhp. Thats got to be 430bhp on Regals dyno.
Easy, add some boost and they can spike a torgue figure to match it
djgritt
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Registered: 1st Nov 07
Location: Dorset Drives: Focus ST / Hyundai i20N
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17th Mar 10 at 23:04   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by ed
quote:
Originally posted by FruitBooTeR
Beause you have to chop wires and extend them which I think messes with the MAF's readings, im not sure I know they do sometimes though.
Extending wires wouldn't mess up anything. People's poor workmanship messes things up.



It can faff with resistances etc giving spurious readings. Same with using the Universal Lambda sensors etc

But as said, if done well, it should be Ok
craig8
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Registered: 31st Dec 04
Location: Glasgow
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17th Mar 10 at 23:08   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by djgritt
quote:
Originally posted by ed
quote:
Originally posted by FruitBooTeR
Beause you have to chop wires and extend them which I think messes with the MAF's readings, im not sure I know they do sometimes though.
Extending wires wouldn't mess up anything. People's poor workmanship messes things up.



It can faff with resistances etc giving spurious readings. Same with using the Universal Lambda sensors etc

But as said, if done well, it should be Ok


they are extended by around a foot or so, any difference in resistance is going to be very small
ive had no lights on or problems with my set up at all and the only way i can see of there being a problem is if the slodering is crap or someone uses bell wire or something else really thin

E36 328
djgritt
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Registered: 1st Nov 07
Location: Dorset Drives: Focus ST / Hyundai i20N
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18th Mar 10 at 00:21   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by craig8
they are extended by around a foot or so, any difference in resistance is going to be very small
ive had no lights on or problems with my set up at all and the only way i can see of there being a problem is if the slodering is crap or someone uses bell wire or something else really thin




Which, in reality, is likely to be the case when a few people attempt to DIY it

[Edited on 18-03-2010 by djgritt]
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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18th Mar 10 at 07:00   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Warren G
i know what you mean x

yours shoot ollie?

silicon it up


Na not shot, but as standard the engine moves quite a bit.

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