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Old 05-17-2005, 19:54   #1 (permalink)
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how much fuel does your 4.0 use?

Just wondering how much fuel other ppls 4.0's use cos i swear mine is chewing too much juice. I used to do about a 50km round trip to work every day on pretty open roads, by my calculations i was going through bout 10 lts a day. I do have a bit of a heavy foot sometimes but i still just doesnt seem right to me.
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94 ED FALCON, K&N POD FILTER, 2 1/2 CAT BACK EXHAUST, 17" BA XR8 STYLE RIMS, LOWERED BOUT 2" PEDDERS & MONROE, XPLOD MP3 DECK, XPLOD 6", JBL 6x9 AND TWIN 8"SUBS+ PREMIUM FACTORY TWEETERS,
64 XM FALCON UTE, MILD 250 XFLO (PROJECT)
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Old 05-17-2005, 20:37   #2 (permalink)
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Re: how much fuel does your 4.0 use?

my car is as modified:
extractors
2.5 inch exhaust
xr6 cyclinder head conversion
$1000 port n polish
stage 2 crow cam
5 spd man conversion
cold air intake into standard air box
adjustable billet cam gear
=134rwkw.. from a 95 EF Fairmont..
fuel consumption usualy hovers around
11-12 litres per 100 km on average..
and i i give it curry sometimes!
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Old 05-17-2005, 21:43   #3 (permalink)
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Re: how much fuel does your 4.0 use?

10L/50km? That's (mathematical genius here) 20L/100km! Something is definitely not right, your ED is running waaaaaay rich...

I'm such a great help, I can say "yes, you have a problem there" but I can't offer an answer

Spark plugs, leads, head gasket, oxy sensor, air filter, timing, general tune, injectors, umm, any of these things could be the culprit (or culprits).

Maybe finding a deserted road & giving it a bootfull to blow out the cobwebs might help. I was averaging 400-450km per tank (although mine's a 5.0) until I gave the car absolute shit one day, and after that I miraculously gained over 100km per tank after that! I now do over 500km per tank around town/country driving, and 600km per tank freeway driving.

-Dave-
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'91 EB Fairmont Ghia V8.
Pacemaker PH4000 extractors
Meaty semi-twin system
AUII XR8 t/b & maf, ELGT snorkel
Lows
BA semi-manual shifter conversion
Electronic shift kit
4.11 Hydratrak LSD
AU thermofans
Explorer intake manifold
Contra 16x9 rims, rubber: 225(f)/245(r)
Custom cupholders
Chiptorque HP2 chip
illegal tint

ET: 14.78 @ 91.48mph, 137rwkw!
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Old 05-17-2005, 23:10   #4 (permalink)
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Re: how much fuel does your 4.0 use?

Cheers yeah i was pretty sure there was something not right. Its due for a service which i was gonna do myself but i reckon i might take it somwhere and see whats goin on. The thing is though it doesnt blow smoke or run rough must be fuel faries or something!!!
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94 ED FALCON, K&N POD FILTER, 2 1/2 CAT BACK EXHAUST, 17" BA XR8 STYLE RIMS, LOWERED BOUT 2" PEDDERS & MONROE, XPLOD MP3 DECK, XPLOD 6", JBL 6x9 AND TWIN 8"SUBS+ PREMIUM FACTORY TWEETERS,
64 XM FALCON UTE, MILD 250 XFLO (PROJECT)
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Old 05-17-2005, 23:18   #5 (permalink)
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Re: how much fuel does your 4.0 use?

Doesn't have to blow smoke when running rich

Get back to doing your springs, haha!

-Dave-
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'91 EB Fairmont Ghia V8.
Pacemaker PH4000 extractors
Meaty semi-twin system
AUII XR8 t/b & maf, ELGT snorkel
Lows
BA semi-manual shifter conversion
Electronic shift kit
4.11 Hydratrak LSD
AU thermofans
Explorer intake manifold
Contra 16x9 rims, rubber: 225(f)/245(r)
Custom cupholders
Chiptorque HP2 chip
illegal tint

ET: 14.78 @ 91.48mph, 137rwkw!
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Old 05-17-2005, 23:38   #6 (permalink)
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Re: how much fuel does your 4.0 use?

lol i shoud be gettin my lazy arse off the computer!!!!
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94 ED FALCON, K&N POD FILTER, 2 1/2 CAT BACK EXHAUST, 17" BA XR8 STYLE RIMS, LOWERED BOUT 2" PEDDERS & MONROE, XPLOD MP3 DECK, XPLOD 6", JBL 6x9 AND TWIN 8"SUBS+ PREMIUM FACTORY TWEETERS,
64 XM FALCON UTE, MILD 250 XFLO (PROJECT)
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