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 Post subject: Vauxhall X25XE
PostPosted: Sun Jun 03, 2018 4:16 am 
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Joined: Sun May 27, 2018 3:28 pm
Posts: 23
Location: Berkshire
ECU Model: S80 Pro
Distributor: DTA Direct
Firmware Version: 73.01
wiring up the Vauxhall X25XE omega v6 engine I have binned off the wasted spark coil pack and machined the cam covers to accept the 2.6 / 3.2 later type triple coil packs so i can run sequential ignition and injection Question is as this engine is an odd fireand has a firing order of 1-2-3-4-5-6 they are banked 1-3-5 & 2-4-6
do i put the wiring as per cylinder 1-1 2-2 3-3 4-4 5-5 6-6 same for injectors and coils? hope to try starting the engine on the bench


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 Post subject: Re: Vauxhall X25XE
PostPosted: Sun Jun 03, 2018 9:36 am 
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Joined: Tue Aug 02, 2011 12:08 pm
Posts: 2883
Location: Norn Iron
ECU Model: No ECU
From previous posts, there was no real indication the original car used wasted spark ? Just that it had 3 x 2 output coils ?

And as per instructions, wire in firing order.


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 Post subject: Re: Vauxhall X25XE
PostPosted: Sun Jun 03, 2018 9:39 am 
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Joined: Tue Aug 02, 2011 12:08 pm
Posts: 2883
Location: Norn Iron
ECU Model: No ECU
viewtopic.php?f=12&t=1498&start=10


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 Post subject: Re: Vauxhall X25XE
PostPosted: Sun Jun 03, 2018 10:51 am 
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Joined: Sun May 27, 2018 3:28 pm
Posts: 23
Location: Berkshire
ECU Model: S80 Pro
Distributor: DTA Direct
Firmware Version: 73.01
doing the loom ! the cylinders seem to be number 1 from the flywheel 1-3-5 and same 2 from flywheel 2-4-6 ? seems also the camshaft sensor is a 12v hall effect? anyone confirm that a 12v hall sender will run happily on a 5v sensor supply?


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 Post subject: Re: Vauxhall X25XE
PostPosted: Sun Jun 03, 2018 11:25 am 
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Joined: Tue Aug 02, 2011 12:08 pm
Posts: 2883
Location: Norn Iron
ECU Model: No ECU
If it was 12v originally, then it makes sense to re-wire it as that again.

Most of them arent overly fussy about input voltage though, but only way to know is to test.

As for which is no1...usually no1 would be at the front of the engine, whichever is furthest front. It would be unusual to number from the flywheel end.

If unsure can you get a visual on the valvetrain ? That would at least let you confirm which order they operate in


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 Post subject: Re: Vauxhall X25XE
PostPosted: Sun Jun 03, 2018 11:48 am 
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Joined: Tue Aug 02, 2011 12:08 pm
Posts: 2883
Location: Norn Iron
ECU Model: No ECU
via google...a little download of same engine family

http://www.mediafire.com/file/lzzmyzymm ... Course.pdf


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 Post subject: Re: Vauxhall X25XE
PostPosted: Sun Jun 03, 2018 2:29 pm 
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Joined: Sun May 27, 2018 3:28 pm
Posts: 23
Location: Berkshire
ECU Model: S80 Pro
Distributor: DTA Direct
Firmware Version: 73.01
i did a little bit testing with the coil packs using what i found on line giving the coil pack a 12v and ground and pulsing each of the trigger wires it seems 1) the id numbers on top of the coil are in the correct order and number 1 is flywheel end?


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 Post subject: Re: Vauxhall X25XE
PostPosted: Sun Jun 03, 2018 4:00 pm 
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Joined: Tue Aug 02, 2011 12:08 pm
Posts: 2883
Location: Norn Iron
ECU Model: No ECU
It's possible...but very unusual.

The workshop manual I gave you the link to says it's stamped somewhere on the top of the engine the cylinder ID.
It does also indicate in the X25 section it's coil outputs may be different than others, but they seem to be numbered.

Image


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 Post subject: Re: Vauxhall X25XE
PostPosted: Sun Jun 03, 2018 5:53 pm 
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Joined: Sun May 27, 2018 3:28 pm
Posts: 23
Location: Berkshire
ECU Model: S80 Pro
Distributor: DTA Direct
Firmware Version: 73.01
:oops: found it! lol yes 1-3-5 from cam belt also the coil packs can go in the opposite way round that puts the locations correct but the 135 are upside down but the 246 are correct i have done part of the wiring and calibrated throttle pot and coolant sender added an extra 12v for the cam sensor as it suposed to have 12v but puts out a 5v pattern coils and injectors next as i am fitting it in amongst a very busy workshop schedule with customers etc


stevieturbo wrote:
It's possible...but very unusual.

The workshop manual I gave you the link to says it's stamped somewhere on the top of the engine the cylinder ID.
It does also indicate in the X25 section it's coil outputs may be different than others, but they seem to be numbered.

Image


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 Post subject: Re: Vauxhall X25XE
PostPosted: Thu Jun 07, 2018 11:39 pm 
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Joined: Sun May 27, 2018 3:28 pm
Posts: 23
Location: Berkshire
ECU Model: S80 Pro
Distributor: DTA Direct
Firmware Version: 73.01
all wired up but i dont have a spark! these are amplified coils i presume as they have 12v earth and 3 triggers each bank when cranking i have an rpm signal i changes the settings to coil per plug what next? quick call to alex today i think! ;)


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