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#158111 - 11th Jun 2007 3:38am MadJon : VXR Astra
FlightlessNinja Offline
Member

Registered: 7th Jun 2007
Posts: 73
Loc: Ellesmere Port
Hi all,

I met some of you on the 7th June meet for a little bit.

Car:

Make : Vauxhall
Model : Astra VXR
Engine : 2l Turbo
Power : Approx 260bhp
0-60 : Approx 6.2 secs (60mph-100mph in 4th approx 6 seconds)

1st Gear : ~35mph
2nd Gear : ~60mph
3rd Gear : ~90mph
4th Gear : ~120mph
5th Gear : ???
6th Gear : ???

Fastest speed : 70mph on motorway wink

Mods:
Magnex Pre-Cat and Cat Back system
Induction Hoses
ICELED inside and outside

Pics:
I will Upload some pics as soon as i have given her a bit of a clean as she is a little dirty at the mo.

Thats all for now.

Jon

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#158115 - 11th Jun 2007 10:03am Re: MadJon : VXR Astra [Re: FlightlessNinja]
Mark Online   Reading


Wiki Master

Registered: 9th Nov 2003
Posts: 21027
Loc: Wirral
Yeh you will have to,
ive just looked in the members meet topic, and joe has some pictures of your car, the front, the back and side,
but no full car picture lol...

Very nice and very tidy, except for the glove box lol...
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#158117 - 11th Jun 2007 10:29am Re: MadJon : VXR Astra [Re: Mark]
Wheels Offline
Wiki Veteran

Registered: 4th Jan 2005
Posts: 8795
Loc: Tranmere
looks and sound a gem! seen it at the meet too. very nice car imo

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#158124 - 11th Jun 2007 11:49am Re: MadJon : VXR Astra [Re: Mark]
FlightlessNinja Offline
Member

Registered: 7th Jun 2007
Posts: 73
Loc: Ellesmere Port
Originally Posted By: Mark

Very nice and very tidy, except for the glove box lol...


Have you seen it:






thats only for the lights !!!.

i am working on tidying it all up. i have a controll box that i have made which will use a 25pin printer lead to connect to the controllers.

I will post pics when complete.

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#158129 - 11th Jun 2007 12:30pm Re: MadJon : VXR Astra [Re: FlightlessNinja]
StuyMac Offline

Wiki Master

Registered: 24th Nov 2003
Posts: 12002
Loc: Wirralshire
Lol, at the glove box, I was thinking it was a new after market ECU.

Not bad, considering its a vauxhall wink

....but 25 bhp from some silicon pipes and an exhaust omg
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#158135 - 11th Jun 2007 1:19pm Re: MadJon : VXR Astra [Re: StuyMac]
FlightlessNinja Offline
Member

Registered: 7th Jun 2007
Posts: 73
Loc: Ellesmere Port
Pipes don't do much to the performance. i just replaced them as the standard ones can collapse under high boost.

the exhaust setup that i have puts around 10% on the standard 240bhp. i only know this figure from others who have the same exhaust and have been dyno tested.

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#158154 - 11th Jun 2007 4:50pm Re: MadJon : VXR Astra [Re: ]
FlightlessNinja Offline
Member

Registered: 7th Jun 2007
Posts: 73
Loc: Ellesmere Port
It is possible to get the power down and its very quick but it is also very easy to loose grip when pulling off.

there is a fella in germany who is running 380bhp in a vxr. and it does not look like he has touched the exhaust either. all engine mods !

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#158239 - 12th Jun 2007 8:35am Re: MadJon : VXR Astra [Re: FlightlessNinja]
StuyMac Offline

Wiki Master

Registered: 24th Nov 2003
Posts: 12002
Loc: Wirralshire
You find that with quite a few turbo cars, the hole in the exhaust housing on the std turbo is about the size of a 20p (if not smaller) which is where most of your restrication is - so as long as you exhaust is a bigger diamter than that, it causes little restriction - a lot less than that of a small bore exhaust on a N/A car (Not that a bigger, free flowing exhaust doesnt help.)

Despite the lack of an exhaust, the car will still need a bigger turbo, remap (Maybe bigger injectors), Intercooler, Inlet cam (Maybe inlet and exhaust) and maybe pistons / rods to meet boost pressures and temperatures.

High power is certainly interesting with FWD wink

How far are you planning on going with it?



Edited by StuyMac (12th Jun 2007 8:35am)
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#158241 - 12th Jun 2007 9:08am Re: MadJon : VXR Astra [Re: StuyMac]
FlightlessNinja Offline
Member

Registered: 7th Jun 2007
Posts: 73
Loc: Ellesmere Port
A remap will put the car to 275 the turbo itself is good for about 300bhp and the internals are all good as well. if you want to go further you do need more internals.

there is a new intercooler for them its a front mounted lower one which is placed to make the most use of the aero dynamics of the car (developed with 888).

the list goes on there is just so much potential with this engine.

Courtenay sport are working on modification stages to push the car to 400-500bhp !!!!

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