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Author Topic: LPG installation WIP  (Read 25482 times)

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Paulus

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Re: LPG installation WIP
« Reply #90 on: 10 November 2007, 09:00:19 »

Perhaps it could be installed inside the car????
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Martin_1962

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Re: LPG installation WIP
« Reply #91 on: 10 November 2007, 09:29:59 »

Well I have seen them inside the airbox, but I think by the pollen filter is best comprimise
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Jay w

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Re: LPG installation WIP
« Reply #92 on: 10 November 2007, 10:00:53 »

Quote
Well I have seen them inside the airbox, but I think by the pollen filter is best comprimise

realistically how effective is the airbox once it has that stuffed in it???

Up by the pollen filter is the only place, my concern there is restricting the airflow and having to make a deflector for the water ect.

Quote
Don't suppose there's room for the ECU under the scuttle in the power sounder type area? Have a feeling I saw some space there. It's pretty tight everywhere else in that engine bay.
 
How long is the loom provided with it? Will it reach into the cabin?
 
it does look fairly weatherproof.  
 
Kevin

the unit does look to be fairly well made, so that is one consolation, the loom is plenty long enough to allow the ecu to sit in the car, but then there is the issue of finding somewhere to put it and then having to drill the bulkhead to thread the loom.....it's a chunky beggar!!

why does a car so big have so much of a spare room issue??


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JamesV6CDX

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Re: LPG installation WIP
« Reply #93 on: 10 November 2007, 10:02:55 »

I am hoping to get my ECU in the cabin.. not sure how possible it is though..
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Craig_R

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Re: LPG installation WIP
« Reply #94 on: 10 November 2007, 11:26:35 »

I would not mount the lpg ECU near the power sounder, far to many power sounders in omegas knack because water gets to them over time bcause of the drain hole there.

I think TD has his mounted in where the pollen filter is.

My Main ECU is mounted in front of the pollen filter area in he engine bay, and i need an injection emulator as its a mixer system and it in near the cars main ECU Ill get some photos of all the different bits where they are mounted, but i have it easy as my engine is a 4 pot and i have loads more spaces and room than any of the V6 guys

Craig
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Martin_1962

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Re: LPG installation WIP
« Reply #95 on: 10 November 2007, 12:32:20 »

Quote
Quote
Well I have seen them inside the airbox, but I think by the pollen filter is best comprimise

realistically how effective is the airbox once it has that stuffed in it???

Up by the pollen filter is the only place, my concern there is restricting the airflow and having to make a deflector for the water ect.

why does a car so big have so much of a spare room issue??

Well it was a terrible place!

Scuttle is Hobsons choice
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Taxi_Driver

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Re: LPG installation WIP
« Reply #96 on: 10 November 2007, 14:14:25 »

Quote
I would not mount the lpg ECU near the power sounder, far to many power sounders in omegas knack because water gets to them over time bcause of the drain hole there.

I think TD has his mounted in where the pollen filter is.

My Main ECU is mounted in front of the pollen filter area in he engine bay, and i need an injection emulator as its a mixer system and it in near the cars main ECU Ill get some photos of all the different bits where they are mounted, but i have it easy as my engine is a 4 pot and i have loads more spaces and room than any of the V6 guys

Craig

Yep, mine is in there......its just held in with a couple of brackets, no water deflector or anything.....doesnt seem to mind....altho brackets have gone rusty.  Only downside is you have to remove ecu to replace pollen filter.
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sassanach

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Re: LPG installation WIP
« Reply #97 on: 10 November 2007, 14:44:05 »

just a few pics for reference
http://farm3.static.flickr.com/2204/1948188503_59fc7d0caf_b.jpg
this is a 100 litre tank with an actual capacity of 79 litres
http://farm3.static.flickr.com/2247/1948188579_69c7e3ec46_b.jpg
they call this a four hole tank (fills faster)
http://farm3.static.flickr.com/2120/1948188599_994d73f1e7_b.jpg
no wasted space!!!!
http://farm3.static.flickr.com/2321/1948188543_fe901be984_b.jpg
ecu is in the only place available, with the pollen filter!
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sassanach

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Re: LPG installation WIP
« Reply #98 on: 10 November 2007, 15:31:49 »

clearer  picture of the solenoid mounts
http://farm3.static.flickr.com/2314/1948796745_c3732c34cd_b.jpg
one day i will have them off radius  and powdercoat them
buried beneath the air filter one omvl vapouriser, no mods needed to the air filter housing and it just misses everything. that bracket took approx 4 hours to develope
http://farm3.static.flickr.com/2179/1948796799_6444f60a32_b.jpg
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JamesV6CDX

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Re: LPG installation WIP
« Reply #99 on: 10 November 2007, 18:31:17 »

I like your injector mounts Will !
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JamesV6CDX

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Re: LPG installation WIP
« Reply #100 on: 10 November 2007, 23:52:32 »

Looking at the wiring diagram, there is only one wire for lambda sensing.... surely it needs to read data from both o2 sensors?
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Jay w

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Re: LPG installation WIP
« Reply #101 on: 11 November 2007, 00:04:03 »

Quote
Looking at the wiring diagram, there is only one wire for lambda sensing.... surely it needs to read data from both o2 sensors?

both......

the loom has provision for dual sensor cars, it was one of the queries i raised
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JamesV6CDX

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Re: LPG installation WIP
« Reply #102 on: 11 November 2007, 00:09:18 »

Quote
Quote
Looking at the wiring diagram, there is only one wire for lambda sensing.... surely it needs to read data from both o2 sensors?

both......

the loom has provision for dual sensor cars, it was one of the queries i raised

Fantastic..

What's the injector wiring mod all about then? Do you have to cut any wires or is it plug and play?
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Jay w

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Re: LPG installation WIP
« Reply #103 on: 11 November 2007, 00:18:53 »

Quote
Quote
Quote
Looking at the wiring diagram, there is only one wire for lambda sensing.... surely it needs to read data from both o2 sensors?

both......

the loom has provision for dual sensor cars, it was one of the queries i raised

Fantastic..

What's the injector wiring mod all about then? Do you have to cut any wires or is it plug and play?

one of the leads on the petrol injector loom needs to be interrupted , if you look at the wiring diagram it shows that there is a wire that should be cut, it is the common wire.
part of the LPG loom contains a set of plugs that then plug into the petrol injectors and the old injector plugs then connect to the lpg loom, i'm no expert but it looks like the ECU uses sinalling from the motronic system in order to fire the LPG injectors in the correct sequence, that's a guess mind you.

 
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JamesV6CDX

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Re: LPG installation WIP
« Reply #104 on: 11 November 2007, 00:21:05 »

Quote
Quote
Quote
Quote
Looking at the wiring diagram, there is only one wire for lambda sensing.... surely it needs to read data from both o2 sensors?

both......

the loom has provision for dual sensor cars, it was one of the queries i raised

Fantastic..

What's the injector wiring mod all about then? Do you have to cut any wires or is it plug and play?

one of the leads on the petrol injector loom needs to be interrupted , if you look at the wiring diagram it shows that there is a wire that should be cut, it is the common wire.
part of the LPG loom contains a set of plugs that then plug into the petrol injectors and the old injector plugs then connect to the lpg loom, i'm no expert but it looks like the ECU uses sinalling from the motronic system in order to fire the LPG injectors in the correct sequence, that's a guess mind you.

 

The diagram shows 6 that need to be cut..
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