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Author Topic: Jag S Type Fuel System  (Read 2478 times)

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JamesV6CDX

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Jag S Type Fuel System
« on: 14 January 2013, 23:07:52 »
Hi Guys,

I'm not being lazy - but I can't seem to find a definite answer. Does anyone know if my 2001, Y plate S type 3.0 V6 Jag has a normal fuel system, or a returnless one?

One site hinted it wasn't introduced until 2004, but I really don't know.

My engine is the chain driven 240bhp one - basically the Ford Duratec lump!

Cheers,
James

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Kevin Wood

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Re: Jag S Type Fuel System
« Reply #1 on: 14 January 2013, 23:27:39 »
Have a look under the bonnet... ;)

How many fuel lines does it have?

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Gaffers

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Re: Jag S Type Fuel System
« Reply #2 on: 14 January 2013, 23:37:54 »
beat me to it... or even look under the car and ollow the fuel lines from the tank.  Count them :y
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JamesV6CDX

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Re: Jag S Type Fuel System
« Reply #3 on: 14 January 2013, 23:44:32 »
Maybe tomorrow. For now - it's freezing ;D :y
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Gaffers

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Re: Jag S Type Fuel System
« Reply #4 on: 14 January 2013, 23:51:55 »
Girl ;D
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JamesV6CDX

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Re: Jag S Type Fuel System
« Reply #5 on: 15 January 2013, 00:00:26 »
Quote from: Guffer on 14 January 2013, 23:51:55
Girl ;D

Just for that... (;D) I've just been outside and had a look ;D

After looking in the usual omega place, and seeing no fuel lines.. I had a look under the car...

I got excited when I saw two large rigid metal lines coming from the back up into the nearside of the engine bay... however only one of them goes to the injector rail... the other one is simply a vent for the tank / carbon canister, I believe.

SO it's returnless

Balls!
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Kevin Wood

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Re: Jag S Type Fuel System
« Reply #6 on: 15 January 2013, 00:03:24 »
Sounds returnless to me.  ::)
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JamesV6CDX

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Re: Jag S Type Fuel System
« Reply #7 on: 15 January 2013, 00:10:20 »
Quote from: Kevin Wood on 15 January 2013, 00:03:24
Sounds returnless to me.  ::)

As above....  ::)

Major Buggery. I didn't think this bloody thing would be plug and play like the Omega  ;D
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05omegav6

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Re: Jag S Type Fuel System
« Reply #8 on: 15 January 2013, 00:16:43 »
Given that it was designed and built by Ford, what could you possibly have expected ::)
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JamesV6CDX

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Re: Jag S Type Fuel System
« Reply #9 on: 15 January 2013, 00:20:29 »
Quote from: ex taxi al on 15 January 2013, 00:16:43
Given that it was designed and built by Ford, what could you possibly have expected ::)

A glorified Fiesta engine with a few more cylinders?  :D
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JamesV6CDX

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Re: Jag S Type Fuel System
« Reply #10 on: 15 January 2013, 00:26:52 »
So in seriousness...

What would be the recommended approach for LPG'ing this beast?

I could install LPG on an Omega without thinking about it now... but not so sure about this one!

With the omega, the fuel is simply pumped back into the tank, and the engine ECU think's it's business as usual. On the Jag, the fuel can't be pumped back, so that principle can't be applied..

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Lazydocker

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Re: Jag S Type Fuel System
« Reply #11 on: 15 January 2013, 00:53:26 »
Didn't I answer this in the other thread? I think, and it's only think, that you need to fit a restricted return line ;)

I'm sure it's been covered on the LPG Forum  ;)
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JamesV6CDX

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Re: Jag S Type Fuel System
« Reply #12 on: 15 January 2013, 00:59:23 »
Cheers LD, I did have a look on there but couldn't find too much - might be tiredness!

Sounds like quite a complex, or at least fiddly, job!
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Kevin Wood

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Re: Jag S Type Fuel System
« Reply #13 on: 15 January 2013, 08:43:17 »
Yep, return line and / or possibly a box of tricks that "fools" the petrol ECU into seeing what it expects to see.

Add to that the fact that the engine isn't really up to running LPG due to soft valve seats. Who was it who once said.. "If I wanted to get there, I wouldn't have started here!"

 :(
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Re: Jag S Type Fuel System
« Reply #14 on: 15 January 2013, 09:36:32 »
Quote from: Kevin Wood on 15 January 2013, 08:43:17
Yep, return line and / or possibly a box of tricks that "fools" the petrol ECU into seeing what it expects to see.

Add to that the fact that the engine isn't really up to running LPG due to soft valve seats. Who was it who once said.. "If I wanted to get there, I wouldn't have started here!"

 :(

I wouldn't convert anything with a Ford engine... VSR has been known in as little as 10k :o (Admittedly with no Flashlube)
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