160 miles... what the hell

MattJ · 08-28-2006, 06:48 PM

Car is at 160 miles from a full tank and ive used 3/4. what the **** is going on. i drive normal for the most part. that comes out to 13.5 miles per gallon. this is getting rediculous. I run 93 oct, car is a 5speed, and its outer city driving. it doesnt smell like its running rich, fuel filter was changed 2 months ago, tire pressure is always checked and ran at 32 psi, and i run full amsoil synthetics. Ive done like 4 seafoams through the gas, one through the upper engine, and one through oil case previously with my last oil change, not this current one. What the hells going on?

Performance Modifications:

BBK Chrome Shorty Headers
SLP Catted X-Pipe
XCelerator Catback
Accufab 70mm Throttle Body
Accufab Plenum
SCT Xcalibrator 2
Motive Performance Plus 3.90 Gears
Air Silencer Removed
K&N Air Filter

Badfish · 08-28-2006, 06:51 PM

haha i have 4.10s and i get 20 mpg

maybe your car has given up on life, because its owner bought brakes instead of go fast parts

MattJ · 08-28-2006, 06:53 PM

Quote:

Originally Posted by Badfish

haha i have 4.10s and i get 20 mpg

maybe your car has given up on life, because its owner bought brakes instead of go fast parts

i have all bolt-ons minus pullies which are gay, and a cold air intake which may gain me 3 hp if im lucky.

PureStang · 08-28-2006, 06:57 PM

thats about what i get....hmmm i get about 210-220 mpt

08-28-2006, 06:59 PM

matt...dont feel bad..i get 180 per tank a lot. but one 50 or so mile cruise on the highway and im at 220-230 per tank.

*madmatt* · 08-28-2006, 07:08 PM

Matt, next tank, unplug the Xcal2. See if you are surprised.

Dunno, just a hunch.

Also, thats not 13.5 mpg. You dont put 15 or whatever gallons in your car do you? I know when I fill up, its just over 12 gallons. You may be cutting yourself short.

Badfish · 08-28-2006, 07:10 PM

if i can drive a whole tank with little or no flooring it, i get close to 300 miles a tank

btw, i never got that good gas milage till i took my tune off. madmatt is right

MattJ · 08-28-2006, 07:11 PM

Quote:

Originally Posted by madmatt

Matt, next tank, unplug the Xcal2. See if you are surprised.

Dunno, just a hunch.

Also, thats not 13.5 mpg. You dont put 15 or whatever gallons in your car do you? I know when I fill up, its just over 12 gallons. You may be cutting yourself short.

the xcal2 is always unplugged. it doesnt stay plugged in.

to tell you the truth, im kind of scared on putting the stock tune on with a 3.90 gear. I have a fear that it runs lean because I think I already am with the mods i have. and yes I filled the car up untill it stopped on the pump.

*4.6 Love* · 08-28-2006, 07:22 PM

Sometimes i'm lucky if I get 225 a tank..

Badfish · 08-28-2006, 07:26 PM

your car wont run lean on 3.90s...im using 85, stock tune, 4.10s...and 300 miles a tank

*Lances03SVT* · 08-28-2006, 07:43 PM

Quote:

Originally Posted by Badfish

your car wont run lean on 3.90s...im using 85, stock tune, 4.10s...and 300 miles a tank

Is'nt your speedo WAY off??

mustangvsix · 08-28-2006, 07:46 PM

maybe your gas needle just jumps around...i know mine does. it will stay on full for like 50miles then over the next 15mils just drop like a rock...

MattJ · 08-28-2006, 07:50 PM

of course its not going to run lean with gears. lol. ill see about my mpg after this tank is up. ill put it back to stock with 3.90s and see what it does. ill fill it up with 87 and go back to stock.

DarkSith · 08-28-2006, 07:51 PM

Quote:

Originally Posted by mustangvsix

maybe your gas needle just jumps around...i know mine does. it will stay on full for like 50miles then over the next 15mils just drop like a rock...

Mine does the same thing.

08-28-2006, 08:03 PM

Quote:

Originally Posted by DarkSith

Mine does the same thing.

mine does also.

Badfish · 08-28-2006, 08:14 PM

Quote:

Originally Posted by Lances03SVT

Is'nt your speedo WAY off??

i can use the tuner to adjust the speedo, raise rev and speed limits, etc...without actually installing the tune

*madmatt* · 08-28-2006, 08:15 PM

Yes be sure to compensate for the gears.

TClark22 · 08-28-2006, 08:21 PM

wow...it must be my tune as well even though its only a chip and i really cant take it out! because with my six i only get around 210miles per tank if i am lucky! and thats around 13-14 gallons of gas so around 15-16mpg...i suck

i have been trying to get good gas milage...like letting the auto shift at like 2k and not hitting the gas all too often and i still am getting ****ting gas milage...i just hit half a tank and the trip reads 100miles...

08-28-2006, 08:24 PM

Quote:

Originally Posted by TClark22

wow...it must be my tune as well even though its only a chip and i really cant take it out! because with my six i only get around 210miles per tank if i am lucky! and thats around 13-14 gallons of gas so around 15-16mpg...i suck

i have been trying to get good gas milage...like letting the auto shift at like 2k and not hitting the gas all too often and i still am getting ****ting gas milage...i just hit half a tank and the trip reads 100miles...

that does suck for a sixer...somethings wrong? ever have your car dyno'ed to see A/F? smell unburnt gas ever?

DarkSith · 08-28-2006, 08:29 PM

I have to say my GT's gas millage is only a little worse than my old V6's was, and I have 4.10's.

TClark22 · 08-28-2006, 08:36 PM

Quote:

Originally Posted by zigzagg321

that does suck for a sixer...somethings wrong? ever have your car dyno'ed to see A/F? smell unburnt gas ever?

nah never dynoed...but i am looking to get blown so if that happens then it will be dynoed and tuned

96gtstang · 08-28-2006, 08:37 PM

i wanted to see what my gas milage was this tank so i topped it off and am just now at a lil below half a tank with 190 miles so far so ima have to say by the end of this tank if i should be around 300 miles and thats with me driving a little on the conservative side but still gettin on it quite a bit lol. the lowest mpg i have ever gotten is somthin like 24

btw im in 5th gear doin 30-35 with stock gears (not boggin the motor but not using alot of fuel)

ive got o/r x pipe and flows and air silencer removed

MattJ · 08-28-2006, 08:39 PM

im going to block off 1st and 3rd. ill only be able to shift from 2 to 4 to 5. lol

Badfish · 08-28-2006, 08:43 PM

dude...why? that means you have to alternate between lower and higher rpms rather than a medium.you waste way more gas like that..i shift at about 2500-3k and downshift at about 1700. most of the time i leave it in nuetral when comming to a stop

08-28-2006, 06:48 PM	#1 (permalink)
MattJ Senior Member Join Date: Dec 2004 Location: Racine, WI Posts: 10,243	160 miles... what the hell Car is at 160 miles from a full tank and ive used 3/4. what the **** is going on. i drive normal for the most part. that comes out to 13.5 miles per gallon. this is getting rediculous. I run 93 oct, car is a 5speed, and its outer city driving. it doesnt smell like its running rich, fuel filter was changed 2 months ago, tire pressure is always checked and ran at 32 psi, and i run full amsoil synthetics. Ive done like 4 seafoams through the gas, one through the upper engine, and one through oil case previously with my last oil change, not this current one. What the hells going on? Performance Modifications: BBK Chrome Shorty Headers SLP Catted X-Pipe XCelerator Catback Accufab 70mm Throttle Body Accufab Plenum SCT Xcalibrator 2 Motive Performance Plus 3.90 Gears Air Silencer Removed K&N Air Filter __________________ 2001 Mustang GT Premium - Mineral Grey

08-28-2006, 06:51 PM	#2 (permalink)
Badfish Listen to reggae. Join Date: May 2005 Location: Colorado Springs, CO Posts: 8,898	haha i have 4.10s and i get 20 mpg maybe your car has given up on life, because its owner bought brakes instead of go fast parts __________________ '04 2.3l Evo '86 GSXR 750

08-28-2006, 06:57 PM	#4 (permalink)
PureStang WE ARE PENNSTATE Join Date: Jul 2005 Location: Downingtown/West Chester, PA Posts: 4,955	thats about what i get....hmmm i get about 210-220 mpt __________________ Brandon J My Ride sig by purestang

08-28-2006, 07:08 PM	#6 (permalink)
madmatt Traitor...lol Join Date: Sep 2004 Location: Lexington, SC Posts: 7,929	Matt, next tank, unplug the Xcal2. See if you are surprised. Dunno, just a hunch. Also, thats not 13.5 mpg. You dont put 15 or whatever gallons in your car do you? I know when I fill up, its just over 12 gallons. You may be cutting yourself short. __________________ RPMPlanets

08-28-2006, 07:10 PM	#7 (permalink)
Badfish Listen to reggae. Join Date: May 2005 Location: Colorado Springs, CO Posts: 8,898	if i can drive a whole tank with little or no flooring it, i get close to 300 miles a tank btw, i never got that good gas milage till i took my tune off. madmatt is right __________________ '04 2.3l Evo '86 GSXR 750

08-28-2006, 06:59 PM	#5 (permalink)
zigzaggthefag321 Posts: n/a	matt...dont feel bad..i get 180 per tank a lot. but one 50 or so mile cruise on the highway and im at 220-230 per tank.

08-28-2006, 07:22 PM	#9 (permalink)
4.6 Love Super Moderator Join Date: Sep 2004 Location: Mexico Posts: 6,154	Sometimes i'm lucky if I get 225 a tank.. __________________ Go Cowboys! X pipe and flows

08-28-2006, 07:26 PM	#10 (permalink)
Badfish Listen to reggae. Join Date: May 2005 Location: Colorado Springs, CO Posts: 8,898	your car wont run lean on 3.90s...im using 85, stock tune, 4.10s...and 300 miles a tank __________________ '04 2.3l Evo '86 GSXR 750

08-28-2006, 07:46 PM	#12 (permalink)
mustangvsix 4 point 6 Join Date: Sep 2005 Location: Flagstaff, Az / Los Alamos, NM Posts: 2,444	maybe your gas needle just jumps around...i know mine does. it will stay on full for like 50miles then over the next 15mils just drop like a rock... __________________ 2001 True Blue Cobra Convertible 1 of 292 #935 built on 4/20/01

08-28-2006, 07:50 PM	#13 (permalink)
MattJ Senior Member Join Date: Dec 2004 Location: Racine, WI Posts: 10,243	of course its not going to run lean with gears. lol. ill see about my mpg after this tank is up. ill put it back to stock with 3.90s and see what it does. ill fill it up with 87 and go back to stock. __________________ 2001 Mustang GT Premium - Mineral Grey

08-28-2006, 08:15 PM	#17 (permalink)
madmatt Traitor...lol Join Date: Sep 2004 Location: Lexington, SC Posts: 7,929	Yes be sure to compensate for the gears. __________________ RPMPlanets

08-28-2006, 08:21 PM	#18 (permalink)
TClark22 Blown 2V Join Date: Nov 2005 Location: kansas Posts: 2,297	wow...it must be my tune as well even though its only a chip and i really cant take it out! because with my six i only get around 210miles per tank if i am lucky! and thats around 13-14 gallons of gas so around 15-16mpg...i suck i have been trying to get good gas milage...like letting the auto shift at like 2k and not hitting the gas all too often and i still am getting ****ting gas milage...i just hit half a tank and the trip reads 100miles... __________________

08-28-2006, 08:29 PM	#20 (permalink)
DarkSith Victory Is Mine Join Date: Jun 2005 Location: Lake City, SC Posts: 1,327	I have to say my GT's gas millage is only a little worse than my old V6's was, and I have 4.10's. __________________

08-28-2006, 08:37 PM	#22 (permalink)
96gtstang Senior Member Join Date: Mar 2006 Location: cleveland, ohio Posts: 470	i wanted to see what my gas milage was this tank so i topped it off and am just now at a lil below half a tank with 190 miles so far so ima have to say by the end of this tank if i should be around 300 miles and thats with me driving a little on the conservative side but still gettin on it quite a bit lol. the lowest mpg i have ever gotten is somthin like 24 btw im in 5th gear doin 30-35 with stock gears (not boggin the motor but not using alot of fuel) ive got o/r x pipe and flows and air silencer removed

08-28-2006, 08:39 PM	#23 (permalink)
MattJ Senior Member Join Date: Dec 2004 Location: Racine, WI Posts: 10,243	im going to block off 1st and 3rd. ill only be able to shift from 2 to 4 to 5. lol __________________ 2001 Mustang GT Premium - Mineral Grey

08-28-2006, 08:43 PM	#24 (permalink)
Badfish Listen to reggae. Join Date: May 2005 Location: Colorado Springs, CO Posts: 8,898	dude...why? that means you have to alternate between lower and higher rpms rather than a medium.you waste way more gas like that..i shift at about 2500-3k and downshift at about 1700. most of the time i leave it in nuetral when comming to a stop __________________ '04 2.3l Evo '86 GSXR 750

08-28-2006, 08:45 PM	#25 (permalink)
96gtstang Senior Member Join Date: Mar 2006 Location: cleveland, ohio Posts: 470