Foxbody Miles per tank?

85_SS_302_Coupe · Nov 30, 2008

Honestly i rarely fill my tanks...less gas equals less weight

But from what i remember i think its around 170-190, but i drive it like i stole it every time i get it out so there's a lot of WOT driving in that. Plus i've got it tuned kinda fat for the top end so it's really not tuned for mileage. You EFI guys got me there

Jaswir · Nov 30, 2008

280-310 is my best... with 2.73 and very minor mods... with highway and street drivin

nick6690 · Nov 30, 2008

My gas gauge doesnt work so i fill up around 200 although i have gotten to 230 with about a gallon and a half still in the tank. I mainly drive to school and around town so there is no highway miles. This is with 3.73's and a 18 year old behind the wheel though

martyd · Nov 30, 2008

330 is the most I have went but mine has a 15.4 gallon tank

just4bob50 · Dec 1, 2008

I get around 260 miles and always end up putting in 12-13 gallons in my vert. All it has is a full exhaust and 3:73s and I dont pound on it very often.

mavmavv · Dec 1, 2008

randyp83 said:
I guess my 6 mile round trip to work with some stop lights are the reason for the low numbers i have.

Haha me too. By the time I get to work my motor isnt even out of closed loop.

superspec · Dec 1, 2008

why is mine so bad? stock motor, nothing done but shorties, h pipe and flows. 93' with 188k at best i get 215 per tank and that running it dry.

SteedaGT9150 · Dec 1, 2008

superspec said:
why is mine so bad? stock motor, nothing done but shorties, h pipe and flows. 93' with 188k at best i get 215 per tank and that running it dry.

what kind of driving do you do? when was the last time you did a full tune up? cleaned your injectors? checked your tire pressure? i mean there are tons of variables that determine your gas mileage. still at 215 miles a tank if you use about 13 gallons its 17mpg....really not that bad.

superspec · Dec 1, 2008

prob never had a full tune up. did cap and rotor, plugs and wires when i did the exhaust last summer.

Mussemies · Dec 3, 2008

The best for me was about +310 all highway. 1990 GT 5-Speed 3.08.

ill advised · Dec 3, 2008

'90 - 230
'92 - 190

gt40_2003wes · Dec 4, 2008

right at 300 miles per tank with the mods listed in my sig.

bynummustang · Dec 4, 2008

5 gallon cell, 6MPG. 30 miles per tank.

grey5.0beast · Dec 4, 2008

Gas mileage is for pussies

I used to get around 170 before the engine build and after my mileage increased about 4mpg and I was getting 270 or so.

Now I get about 150 to a tank of 3.7 gallons.

Darkwriter77 · Dec 4, 2008

I was about to find out how many miles per tank I get in my '84 last week, but the frickin' speedo quit working AGAIN. FWIW, I had gone about 150 miles and still had over 1/2 tank left.

Mercedez · Dec 4, 2008

I get up to 270 miles usually between 20 to 21 mpg. It has 3.55 rear end other than that it is factory.

Mindseye007 · Jul 4, 2025

$uperstang said:
220 with 4.10 gear, proper speedo and runs 11s

auto or 5speed?

AeroCoupe · Jul 5, 2025

That member was last seen 15 years ago so you may not get a response.

Mindseye007 · Jul 5, 2025

xherdlr said:
I get 250 to 300 miles per tank...Depends on how I drive it...

Kelly

that's sweet gas millage even with the setup you have.

Mindseye007 · Sep 8, 2025

$uperstang said:
220 with 4.10 gear, proper speedo and runs 11s

What transmission T5 z-spec?

Foxbody Miles per tank?

it sucks (I know) to be on the receiving end

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