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Author Z18XE - Z20LET Conversion
liamgallagher1994
Member

Registered: 12th Aug 07
Location: Chesterfield Drives: JDM Honda Integra DC2
User status: Offline
22nd Mar 10 at 10:43   View User's Profile U2U Member Reply With Quote

Is there any wiring adjustment for this convertion ? Also how much will i be looking at for the engine & turbo ?
ecclesturbo
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Registered: 6th Jan 08
Location: staffordshire
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22nd Mar 10 at 10:46   View User's Profile U2U Member Reply With Quote

for a decent z20let 1700
SR91
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Registered: 21st Jun 08
Location: Lancashire.
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22nd Mar 10 at 11:08   View User's Profile U2U Member Reply With Quote

Might be cheaper just to buy a turbo mate, easier to insure etc...
liamgallagher1994
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Registered: 12th Aug 07
Location: Chesterfield Drives: JDM Honda Integra DC2
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22nd Mar 10 at 11:48   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by SR-91
Might be cheaper just to buy a turbo mate, easier to insure etc...


Why would that be cheaper / easier ?
ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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22nd Mar 10 at 12:23   View User's Profile U2U Member Reply With Quote

Well you have a coupe astra, a turbo version can be picked up for 2.5k. Your looking at that for the conversion if done properly.
Doug
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Registered: 8th Oct 03
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22nd Mar 10 at 12:27   View User's Profile U2U Member Reply With Quote

Yeah but you can't leave it as a 1.8 on the logbook
liamgallagher1994
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Registered: 12th Aug 07
Location: Chesterfield Drives: JDM Honda Integra DC2
User status: Offline
22nd Mar 10 at 14:06   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by ChrisBoom
Well you have a coupe astra, a turbo version can be picked up for 2.5k. Your looking at that for the conversion if done properly.


I dont want to sell mine tho. Does anyone know about the wiring ?
ecclesturbo
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Registered: 6th Jan 08
Location: staffordshire
User status: Offline
22nd Mar 10 at 14:09   View User's Profile U2U Member Reply With Quote

the wiring shouldnt be to much of a problem because you have the same loom connectors etc
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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22nd Mar 10 at 14:12   View User's Profile U2U Member Reply With Quote

is the Z18 Fly-by?
DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
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22nd Mar 10 at 14:15   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by liamgallagher1994
Is there any wiring adjustment for this convertion ? Also how much will i be looking at for the engine & turbo ?


You're better off starting with a 1.0 or 1.2 as they use the same ECU..

To convert the 1.8 ideally you'll need a 1.0 or 1.2 loom to start with.
DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
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22nd Mar 10 at 14:15   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Mike GSi
is the Z18 Fly-by?


Yes..
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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22nd Mar 10 at 14:18   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by DaveyLC
quote:
Originally posted by Mike GSi
is the Z18 Fly-by?


Yes..


Should be relatively easy then.

About starting witha 1.0/1.2 i think he wants to swap the engines in his Astra from a Z18 to a ZLET. Dont think he is on about a Corsa.
DaveyLC
Member

Registered: 8th Oct 08
Location: Berkshire
User status: Offline
22nd Mar 10 at 14:21   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Mike GSi
quote:
Originally posted by DaveyLC
quote:
Originally posted by Mike GSi
is the Z18 Fly-by?


Yes..


Should be relatively easy then.

About starting witha 1.0/1.2 i think he wants to swap the engines in his Astra from a Z18 to a ZLET. Dont think he is on about a Corsa.


Yeah those pesky 5 wires that go to the throttle peddle they really are the hardest part!

If its an astra, Z20LET loom is required or lots of patience and a few hours with a soldering iron, heat shrink and TIS2000.
DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
User status: Offline
22nd Mar 10 at 14:21   View User's Profile U2U Member Reply With Quote

P.S. the first part of my previous reply was sarcastic.
Rick Draper
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Registered: 10th Feb 01
Location: Cheshire
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22nd Mar 10 at 14:25   View User's Profile U2U Member Reply With Quote

I know of a great Z20LET and F23 that could be yours for 1450. Can be seen running.
ecclesturbo
Member

Registered: 6th Jan 08
Location: staffordshire
User status: Offline
22nd Mar 10 at 14:27   View User's Profile U2U Member Reply With Quote

loom wise ul need,full engine loom,chip,transponder to make things easy
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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22nd Mar 10 at 14:27   View User's Profile U2U Member Reply With Quote

So its not a straight forward take the Z18XE + Loom out and put the ZLET + Loom in?
ecclesturbo
Member

Registered: 6th Jan 08
Location: staffordshire
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22nd Mar 10 at 14:29   View User's Profile U2U Member Reply With Quote

correct

[Edited on 22-03-2010 by ecclesturbo]
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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22nd Mar 10 at 14:29   View User's Profile U2U Member Reply With Quote

You would also need the Driveshafts and CV's too, if using the F23.
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
22nd Mar 10 at 14:31   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by ecclesturbo
correct

[Edited on 22-03-2010 by ecclesturbo]


In that Case i'd be inclined to fined a Europa blue Coupe Turbo and put your stuff on/in it tbh!
DaveyLC
Member

Registered: 8th Oct 08
Location: Berkshire
User status: Offline
22nd Mar 10 at 14:36   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Mike GSi
So its not a straight forward take the Z18XE + Loom out and put the ZLET + Loom in?


The loom will be a swap, but thats the point you either swap looms or its a wiring nightmare

You'll need the Z20LET mounts, downpipe, airbox, loom, ECU, key and transponder,.. etc. etc.

To be honest you're better off selling your astra and buying a 2.0 turbo.
Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
22nd Mar 10 at 14:43   View User's Profile U2U Member Reply With Quote

Ideally you would need the whole donor car then tbh! That way you could get everything. Trip comp, cruise control, brakes etc. and all of the above.
FlamingCorsa
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Registered: 22nd Apr 03
Location: Shropshire
User status: Offline
22nd Mar 10 at 16:31   View User's Profile U2U Member Reply With Quote

pretty sure you need to change the dash loom also so it has all wiring to the accelerator pedal cos sure they is some small difference from z20let pedal and others! has 1 extra wire!

dont quote me on this, i went and changed everything when i did my conversion! i mean everything, brakes pipes, all elesctrics front to back, all fuel pipes, fuel tank! etc etc etc!
barneykarl
Member

Registered: 29th Jul 06
Location: Stevenage
User status: Offline
22nd Mar 10 at 18:28   View User's Profile U2U Member Reply With Quote

Last week I had a day of z20let wire/sensor problems all due to poor coversion now sorted, also you need a clutch switch for the turbo, its critical that the wiring is done right first time.

 
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