1.7td into 1.7 diesel corsa B - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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GP123

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Registered: 7th Aug 11
Location: Northern Ireland
User status: Offline

14th Sep 11 at 15:43

Hi,
Im looking to do this conversion and came across a good guide on how to do it. But one of the parts that is needed is a Corsa B 1.5TD front pipe?? Why is this? Is the manifold different from my 1.7 diesel one or what is the problem there?
Thanks.

am4nf

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Registered: 27th Jul 08
Location: South Ayrshire Drives: Corsa Sport
User status: Offline

14th Sep 11 at 16:10

Im sure ive seen it that its becuase the 1.5td is from a corsa therefore fits apposed to the larger astra part

GP123

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Registered: 7th Aug 11
Location: Northern Ireland
User status: Offline

14th Sep 11 at 17:30

surely my 1.7 exhaust that is already on my car would fit it then cause it already is a corsa? no? lol

carl roper

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Registered: 17th May 09
Location: Newport Shropshire
User status: Offline

14th Sep 11 at 20:15

you need the front pipe to match up to exhaust section thats attached to the turbo, your standard exhaust goes straight to the manifold.

GP123

Member

Registered: 7th Aug 11
Location: Northern Ireland
User status: Offline

14th Sep 11 at 21:17

Have you a picture of what needs done then? I have the exhaust bit of the 1.7td would that not do?
This 1.7td conversion isnt as easy as its made out to be lol.

[Edited on 14-09-2011 by GP123]

am4nf

Member

Registered: 27th Jul 08
Location: South Ayrshire Drives: Corsa Sport
User status: Offline

14th Sep 11 at 22:53

Theres a project thread of a satin red 1.7td gsi rep, im sure its got pics

Cant remember the guys username though

[Edited on 14-09-2011 by am4nf]

AshWatson

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Registered: 18th Jun 10
Location: West Yorkshire
User status: Offline

14th Sep 11 at 22:53

drop DERV-POWER a u2u message he'll sort you out matey

but as carl said you need a down pipe thats for a turbo not a non turbo like yours currently fitted

am4nf

Member

Registered: 27th Jul 08
Location: South Ayrshire Drives: Corsa Sport
User status: Offline

14th Sep 11 at 23:02

heres the project thread, but im sure someone else on here has it now and has more pics, none of the exhaust though im afraid

http://www.corsasport.co.uk/board/viewthread.php?tid=519053

am4nf

Member

Registered: 27th Jul 08
Location: South Ayrshire Drives: Corsa Sport
User status: Offline

14th Sep 11 at 23:07

Found this in a thread too:

use a 1.5 td flywheel box and shafts.. you will need to grind abit off the back off the 1.7td block to fit the mount.. i would use the 1.7td down pipe is its a bit bigger bore.. and have a custom exhaust. you want to be at least 2 1/4 bore if your running high boost.

you will also need to use a 1.5 oil filter beacause the 1.7 one gets in the way

[Edited on 19-06-2011 by boz_gsi]

carl roper

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Registered: 17th May 09
Location: Newport Shropshire
User status: Offline

15th Sep 11 at 19:08

as above thats what i did when i converted my old 1.5td to a 1.7td but my current one is using the gearbox spacer and a F16 gearbox with gsi shafts and cav inner cv joints, i can get you a picture tomorrow of my exhaust if you like but mine has a custum exhaust from the turbo back

carl roper

Member

Registered: 17th May 09
Location: Newport Shropshire
User status: Offline

16th Sep 11 at 10:52