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Author Subject: XSi ECU Question
pugmarshall

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Location: Herefordshire

Registered: 02 Feb 2009

Posts: 187

Status: Offline
Post #1
Had a quick search but couldn't find what I needed, so here goes.

My uncle has a ph2 (98) XSi, he's basically in love with the thing Mellow And he wants to get more power from the original lump, instead of buying a '6 or going RS, if he can help it.

Basically he wants to know, can a GTi6 ECU be used on the XSi? Also, if not, does anyone know of any places that will unlock and/or remap the original ECU?

From what I understand, to get a '6 ECU, he will have to run a '6 fuel rail and injectors? Rendering it pointless?

Any help appreciated.
Posted 13th Jun 2011 at 19:42
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rikky Pikey

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,797

Status: Offline
Post #2
changing the ecu isn't likely to do anything anyway and i doubt it'd even run right

________________________________________

306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]
Posted 13th Jun 2011 at 19:46
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pugmarshall

Regular

Location: Herefordshire

Registered: 02 Feb 2009

Posts: 187

Status: Offline
Post #3
So it wouldn't run like a '6 if it had '6 manifolds and ECU? What if he got the '6 manifolds and then remapped the GTi6 ECU?

I forgot to mention it has a pipercross induction kit, a Magnex backbox on the way and no middle box.
Posted 13th Jun 2011 at 20:02
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,851

Status: Offline
Post #4
he'll need the cams, the head, the cam sensor, injectors, engine wiring loom, intake and exhaust manifolds, pistons.......


i.e just buy a 6 LOL

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Bring on the Trumpets.

Posted 13th Jun 2011 at 20:14
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pugmarshall

Regular

Location: Herefordshire

Registered: 02 Feb 2009

Posts: 187

Status: Offline
Post #5
haha he wont, he loves the thing Roll eyes It is a minter, though.

I guess a remapped XSi ECU is the best decision, then?
Posted 13th Jun 2011 at 20:47
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rikky Pikey

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,797

Status: Offline
Post #6
seriously, i f*cked about with my xsi for years. the best thing i did with that engine was scrapping it when it's HG finally went. he will learn to forget the xsi engine when he takes the plunge into the RFS engine

________________________________________

306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]
Posted 13th Jun 2011 at 21:01
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