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View Full Version : fuel consumption in a EFI 300 i6


thrillbilly
11-28-2009, 08:15 PM
the new beast gets 250km if im lucky, on a 69L tank, its a standard.
ya it gets more then just putted around town but 250 a tank???????????
what u guys gettin on average?

redwingfan_number19
11-28-2009, 11:05 PM
I get 300 kms give or take on just under 60 litres.
96 f-150, reg cab,short box, turnin 33x10.5s.

Matt

regulate34
11-28-2009, 11:25 PM
well its tuff to say
my 96 2wd 33/12.5 stock except 4.10 gears
got shitty gas i mean like 120$ for langley to kelowna

my 95 7in lift 35s a 3.55 gears and electric fan
stright pipe exaust
it took like 60$ to kelowna

95 is a reg cab shotbox
96 is reg cab long box
both motor run like a top
and both 5spds
both had around the same km

i dunno fuck fuel ecomony
you gotta put gas in it either way

Foes
11-28-2009, 11:50 PM
ive had trucks with an inline six, two were f150's and they were brutal on gas, 250 km to the tank, and thats with a motor strong running motor

thrillbilly
11-29-2009, 10:45 AM
yeah wtf it makes no sense.
the guys ad clearly said "GOOD ON GAS!"
ive had a 88 shortbox regcab with 300i6 and 5spd but i dont remember it being this bad.

yeah i agree gotta put gas in either way so fuckit, was just wonderin if its normal for 'em or if i got somethin funky with mine.

Bigsexy
11-29-2009, 12:47 PM
mine is the same way.. i get just over 200km/tank its a 5spd.. but now im swapping in a 460. i always thought the I6 woulda been a lil bettr on fuel..

hodge
11-29-2009, 08:32 PM
mine gets 300-320kms to a tank mixed highway and city

thats with 31" tires and not sure on gears

longhorn
11-29-2009, 10:15 PM
Get a real motor .......................

Bigsexy
11-29-2009, 11:22 PM
Get a real motor .......................

[iagree]

thrillbilly
11-30-2009, 07:38 PM
mine is the same way.. i get just over 200km/tank its a 5spd.. but now im swapping in a 460. i always thought the I6 woulda been a lil bettr on fuel..
ya my f250 with a 5.0 was almost twice as good on gas. oh well. may not be a sippy sippy motor but at least itll last

fullsizebronco
11-30-2009, 07:49 PM
I can't remember numbers on mine but it was amazing on gas it was reg cab long box stock everything 31 inch tires and 4x4 think it was an 89? I'd throw 40 or 50 bucks in it and drive back and forth to work everyday and still go out and by the end of the week I would. Then fill back up

Trooper
11-30-2009, 09:35 PM
I had a 82 250 4wd 300i6 and I got about 16 on the high way and damn near 20 in town with stock gearing and tires

78'460
11-30-2009, 10:24 PM
you get less fuel mileage on the highway? Thats screwed, In my 460. It cost me 320 bucks to go 1150kms. Its got a 770cfm carb and the 460 is built. Mostly highway that is, I get double as worse fuel mileage in town.

thrillbilly
12-01-2009, 06:13 PM
meh i dunno ill just blame the goverment

Trooper
12-01-2009, 06:38 PM
you get less fuel mileage on the highway? Thats screwed, In my 460. It cost me 320 bucks to go 1150kms. Its got a 770cfm carb and the 460 is built. Mostly highway that is, I get double as worse fuel mileage in town.

Thats 26 liters per 100km. The lower the number the better. I cant fiqure out miles per gallon only liters per km or vice sersa

bigrig81
12-01-2009, 11:09 PM
Have you guys tried changing your oxygen sensors? just throwing it out there... i know if they're buggered your mileage goes way down.... just my $0.02

:D

Briannishi
12-02-2009, 12:48 AM
I get about 300kms to 50-60 bucks worth a gas I wouldn't say a full tank because there is always something in there maybe you just need a tune up on the truck. Are you running duel tanks I heard some guys have problems with them fuel being transfered from tank to tank etc.

radman
12-02-2009, 11:00 AM
i have an 88 reg cab. 5spd 3.55s and 33"s and no EGR and 340,000 km aaand my spedo is accurate with my gps. $50-60 gets me 350-60km on the rear tank untill i can hear the pump get louder, that is my guadge cause the 1 in the dash says its full, all the time. no mater where im driving i know ill get 300 km

Reeseman
12-03-2009, 04:15 PM
i am getting 400 km on the hiway on 50L of gas. do a tune up on it and a k&n air filter it will help.

thrillbilly
12-03-2009, 05:36 PM
fawk yeah maybe its time for a tuneup ive been 2 busy to even bother checking filters n plugs.

thrillbilly
12-05-2009, 03:33 PM
over 300 this tank, cant complain i suppose

rockycotton
12-12-2009, 05:46 PM
you get less fuel mileage on the highway? Thats screwed, In my 460. It cost me 320 bucks to go 1150kms. Its got a 770cfm carb and the 460 is built. Mostly highway that is, I get double as worse fuel mileage in town.
That is they way some are , look at Jeep 4.0 inline , does better on gas in city than highway .. Look at specs .. I was shocked when I read it .. [cheers]

78'460
12-12-2009, 06:51 PM
That is they way some are , look at Jeep 4.0 inline , does better on gas in city than highway .. Look at specs .. I was shocked when I read it .. [cheers]
Yea my brother has a 4.0L inline 6 jeep. And its true it does do better in town, In town I like to get on the peddle a bit. I just filled my tank last night, I had an 1/8th tank and got 99.00 dollars exactly into it. So ill see how many k's I get out of it. Im guessing no more then 400, I got 80kms on it already and got 7/8's of a tank. I went wheelin today too and it see's 5-6k rpm alot then, So far its not too bad.

rockycotton
12-12-2009, 06:53 PM
Yea my brother has a 4.0L inline 6 jeep. And its true it does do better in town, In town I like to get on the peddle a bit. I just filled my tank last night, I had an 1/8th tank and got 99.00 dollars exactly into it. So ill see how many k's I get out of it. Im guessing no more then 400, I got 80kms on it already and got 7/8's of a tank. I went wheelin today too and it see's 5-6k rpm alot then, So far its not too bad.

If you like the peddle you get about 380 km

regulate34
12-12-2009, 07:12 PM
Yea my brother has a 4.0L inline 6 jeep. And its true it does do better in town, In town I like to get on the peddle a bit. I just filled my tank last night, I had an 1/8th tank and got 99.00 dollars exactly into it. So ill see how many k's I get out of it. Im guessing no more then 400, I got 80kms on it already and got 7/8's of a tank. I went wheelin today too and it see's 5-6k rpm alot then, So far its not too bad.

i hope your not hitting 6 grand in a 300 stright 6
your gonna blow that fucker up

thrillbilly
12-13-2009, 08:31 PM
i hope your not hitting 6 grand in a 300 stright 6
your gonna blow that fucker up

or throw the serp belt off.... just sayin :dontknow: [36]

whazhappenin69
12-14-2009, 10:02 AM
My 88 300 I6 is on propane but makes close to the same milage as it did on gas, just cheaper to fill. 300-350k per 80L of propane, depending on how heavy my foot is.

There is a computer friendly cam available that is said to increase hp, torque and milage on the FI 300's. Don't know the specs off hand but there is info available on the fordsix website.

78'460
12-19-2009, 05:32 PM
5-6k rpm with my bb 460. no idea what he runs that inline 6 at.

Punk in Drublic
12-20-2009, 02:55 PM
5-6k rpm with my bb 460. no idea what he runs that inline 6 at.

not six grand. my built six would barely hit 6, and i built it for higher rpm.s ( 1500-5500)

when i ran the stock six i got pretty good mileage, ya just got be easy on the pedal, shift up at lower rpms. its a tractor motor, you dont need to be floatin em before ya shift. id be shiftin up round 2500, lower if im just puttin round town.

thrillbilly
12-22-2009, 11:26 PM
yeah i like to more then just put around town, but still ive never had it over 3000.

garbage mileage though, just filled up saturday, usonly 1/3 tank left, and ive only driven 130kms.

mus-Tard
12-25-2009, 02:35 AM
nooooo fucking idea. as l am sure some on here can voutch. my fuel gage doesn't work and my speedo dont work neither.
as of now l have absolutly no idea how much or little fule is in my tank.

regulate34
12-25-2009, 09:13 AM
nooooo fucking idea. as l am sure some on here can voutch. my fuel gage doesn't work and my speedo dont work neither.
as of now l have absolutly no idea how much or little fule is in my tank.

i will voutch for this one[cheers]

thrillbilly
12-27-2009, 09:21 AM
lol rebel your truck should be decent on gas.
my white f250 i brought into davis was almost twice as good as the black truck

Troy
12-27-2009, 02:14 PM
if it makes you feel any better my 2.9L gets 11mpg

220 km out of 55 litre tank

but i also drive like an asshole and have heavy 31's on it

thrillbilly
01-07-2010, 10:14 PM
yeah that makes me feel a little better. not much though.

i hate to sound like a spokesperson for ZMax but i used the fuel and oil zmax and actually seeing at least 20km more per tank then before.

me and carol shelby highly recomend this stuff.