Why does my car suck so much gas ?
03-18-02 | 09:04 PM
#1
Thread Starter
Junior Member
Joined: Mar 2002
Posts: 6
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From: ny
Why does my car suck so much gas ?
Hey guys, i just got a 87 rx7 turbo ll with 89,000 miles and i put 5 bucks in it at 1.20 a gallon and i ran it out in 45 ?! is this normal 5 bucks in gas in a hour ? I was driving it pretty hard but still... Does anyone know why my car sucks gas so fast its all stock but a exhaust, and what gas should i run in it ? 87,89,93 or 94 ? Thanks for any help...
03-18-02 | 09:15 PM
#2
knowledge junkie
Joined: Mar 2001
Posts: 5,595
Likes: 6
From: Atlanta, GA
Get a tuneup/60K service, that's the #1 killer of fuel economy, torque, and emissions 
Mine gets 17/21 or 19/24 depending how I drive
Also note the OEM exhaust gets plugged around 85K miles, so gutting or full exhaut upgrade will help extended engine life, add HP/torque, and make you happier
Downpipe, performance cat, catback exhaust.
Mine gets 17/21 or 19/24 depending how I drive
Also note the OEM exhaust gets plugged around 85K miles, so gutting or full exhaut upgrade will help extended engine life, add HP/torque, and make you happier
Downpipe, performance cat, catback exhaust.
Mine gets 9-10mpg (I can get it up to 10-14mpg driving normally 
)
03-19-02 | 07:09 AM
#4
Despise Enmity
Joined: May 2001
Posts: 2,420
Likes: 0
From: Richmond, VA
Octane depends on mods. If your anything over stock, run 93.
Mileage? HAHAHA mine is variable depending on how heavy my foot is. I can really make it last if I keep my foot out of using the turbo. But if I am boosting alot, mileage is pretty low.
Mileage? HAHAHA mine is variable depending on how heavy my foot is. I can really make it last if I keep my foot out of using the turbo. But if I am boosting alot, mileage is pretty low.
03-19-02 | 09:12 AM
#6
knowledge junkie
Joined: Mar 2001
Posts: 5,595
Likes: 6
From: Atlanta, GA
10MPG?? Wow that sucks.
I was getting 21.2MPG when I was driving the TII on the daily commute. Granted 3/4 of the commute was highway.
Thats (55mi/day * 5day) / 13gal = 21.2MPG
(filling up before 1/4 tank).
Even with a whole weekend of hard driving I still have fuel left over.
I was getting 21.2MPG when I was driving the TII on the daily commute. Granted 3/4 of the commute was highway.
Thats (55mi/day * 5day) / 13gal = 21.2MPG
(filling up before 1/4 tank).
Even with a whole weekend of hard driving I still have fuel left over.
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03-19-02 | 12:33 PM
#10
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Joined: Nov 2001
Posts: 1,898
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From: Metairie, LA near new orleans
i just filled up yesterday
FC took 13.94 gal and was at 285mi
thats about 20.4 mi/gal
i'm stock except for intake
I run 93 octane just to be safe
my car is funny about things
damn gas prices need to go down
$1.41/gal
FC took 13.94 gal and was at 285mi
thats about 20.4 mi/gal
i'm stock except for intake
I run 93 octane just to be safe
my car is funny about things
damn gas prices need to go down
$1.41/gal
03-19-02 | 04:19 PM
#11
Senior Member
Joined: Sep 2001
Posts: 628
Likes: 0
From: Miami, Fl.
hey bucko
your problem is your cheap or broke. 5 bucks dude you better get used to filling her up or your gonna be pushing her when you turn the corner! good gas mileage is out the window as soon as you close the deal on your oh so sexy rexy!!!!
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