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X-Flow Fuel Consumption 

 

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 Post subject: X-Flow Fuel Consumption
Posted: Sun Jul 22, 2007 9:39 pm 
Parts Gopher
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Hi Everyone,

Just wanted to suss out what sorts of figures you're all getting for fuel economy in your 250 X-flows?

I have to say I'm pretty disappointed at chewing through 18L/100km. I checked, and no, there aren't another two cylinders hiding in the bay anywhere...

It's an XD alloy head with a single-barrel and 4-speed.

How does this compare to others?

Cheers.

 

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Posted: Sun Jul 22, 2007 10:33 pm 
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umm just coming off a full tank in the next couple of days will check

 

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Posted: Mon Jul 23, 2007 11:01 am 
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i used to have an xb van with an xe crossflow in it. same as yours, except a 2 barrel weber carb. with extractors, and a 2 inch exhaust. also, with a single rail and 3.5 to 1 diff gears. used to average 23mpg. best ever was 27. 70 odd litre tank would give me 500 odd k's on the highway.

 

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Posted: Mon Jul 23, 2007 11:05 am 
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I got a stock standard 87 XF EFI wagon S-Pac that around "Town" does 15-16lt/100km. Out in the country gets about 14 (sitting on speed limits). 4 speed single rail. (Total km's since new 129,000)

I also have an 84 XE SPac sedan with carbi, again standard except for extractors, that does about 14 around "Town" and 12 on a country trip. Also a 4 speed single rail. (This car has done 195,000 since new).

I think a lot depends on the state of tune on the engine, but more importantly, how heavy your foot is...

 

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Posted: Fri Jul 27, 2007 6:32 pm 
Tyre Shredder
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i just got about 320 km's off a full tank off unleaded

details in sig of my car, and that was all city driving, pretty heavy on the accelerator too

how many litres is my tank ?

 

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84 XF Falcon S Pak, 250 crossflow (rebuilt ~5000km ago, carby model), Bored out 30 thou, Crow racing cam, extractors, yokohama 245's all the way round, chrome 12 slotters, lowered, 4spd man, open wheeler (blew my lsd...), Thumping sound system, L.E.D's everywhere

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 Post subject: Re: X-Flow Fuel Consumption
Posted: Fri Jul 27, 2007 6:48 pm 
Getting Side Ways
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muzzlecar wrote:
It's an XD alloy head with a single-barrel and 4-speed.

Are you sure it's a single barrel carby on a Alloy Head?
from my experiance XD's came out with a single barrel on the cast iron head and the double barrel webber on the alloy head.
Also if I remember correctly the inlet manifolds are not interchangable between the two heads either, some thing to do with the inlet manifolds being a differant configuration.
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Posted: Sat Jul 28, 2007 4:45 pm 
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xd alloy heads had a 1 barrel stromberg. ford released the weber in the xe.

 

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Posted: Sat Jul 28, 2007 6:20 pm 
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I know my dad's XD Fairmont had a alloy head with a twin barrel webber from factory, it was one of the last XD's made.
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Posted: Thu Aug 02, 2007 12:47 pm 
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I putting in $25 - $28ish of gas and barely even making 200kays out of it!

 

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 Post subject: Economless
Posted: Fri Aug 03, 2007 11:57 am 
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I get ar :evil: ound 400k's out of a 80l tank of Lpg on my 4.1 xf ute .

 

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Posted: Fri Aug 03, 2007 12:19 pm 
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RedRoo wrote:
I know my dad's XD Fairmont had a alloy head with a twin barrel webber from factory, it was one of the last XD's made.


Ford had a habit back then of introducing changes to a particular model of car before the new model was released.
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Posted: Sat Jan 12, 2008 7:20 pm 
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Sorry to be bringing an old thread back from the dead...
But I'm now driving my nannus XE falcon 3sp auto

Changed the plugs and air filter so far....havent done an oil change (no time)
But from $100 of ULP it got just over 350kays
Is there something wrong or is that just how these cars run...
Done an original 134K....

 

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 Post subject: Re: X-Flow Fuel Consumption
Posted: Mon Jan 26, 2009 11:16 am 
Oompa Loompa
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Location: Cairns
QLD, Australia

85 XF Wagon - factory 4 Speed, 2.77:1 open diff, Weber carb

With 4 Speed, 12 to 13 litres per 100km highway, 17 litres per 100km around town

With T5 upgrade, 10.5 litres per 100km highway, 17 litres per 100km around town

Thinking of going to EEC-IV EFI now to get consumption down a bit more...

Interestingly, just drove:

Toowoomba to Cairns with 2 adults and one child and FULLY loaded with luggage and rolls of leather
- got 10.5 l/100km

Cairns to Cooktown & return with just driver and no luggage
- got 10.5 l/100km

Both trips have a mix of 100km/h and 110km/h sections and a bit of hilly stuff
Both trips I was "pressing on" to make good time...
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 Post subject: Re: X-Flow Fuel Consumption
Posted: Tue Feb 03, 2009 1:35 am 
Oompa Loompa
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my old xf ute with a dual barrel webber carby and 4spd single rail got near 750kms on the highway round town it onli got 400kms
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