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Gas Eater
What kind of gas mileage are you guys getting? Somone was talking about having 3.73's with a AOD and getting 20 miles to the gallon. I've got the same thing, and I'm getting nothing near that. Also how much does changing gears affect gas mileage, like going from 2.73's to 3.55's?
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I go 370 miles with a full tank. I have 3.08's. My friend has 3.73's and he goes 285 miles with a fuel tank and it's a killer in the city. If you want gas economy but you also want performance, I like the 3.55's.
That's my suggestion. Remember, the higher the gear the quicker you go of the line, but you pay the price for gas. ------------------ 89 Police Interceptor BBK Shorty Headers, K@N Cone Filter,H-pipe no cats, 2 chamber FlowMasters,Under Drive Pullys,14 degree Timing, Short Belt, No Air Silencer, oil cooler, 3.08's, And All Police Package goodies |
Never noticed much of a change with the 3.73's myself. Probably because I didn't hit the gas as hard to accelerate at the same rate when in snore mode.
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Do those police packages have larger gas tanks? The most I can get on a tank of gas is about 250 miles and thats with only fumes left in the tank. I usually push it to about 220 miles with about an eighth of a tank left. I installed 3.55 and did not see a difference in mileage. This is with a 21 tooth speedo gear also.
What is the size of the tank anyway? I lost my manual but I'm guessing only about 14G. ------------------ Black '89 GT, FMS wires, tune up kit, strut tower brace, KB subframes, front sway bar poly-bushings, Steeda G-brace, C/C plates, rear sway bar and sport springs, KYBs, B&M shifter, flex fan, 3.55 gears, 73mm calipers, SVO Master Cylinder and SS braided lines. |
Yeah Fox89GT, My gas tank is almost 14 gallons but spilling out. That means full to the max. I keep my car tune good, even driving it with 14 degree timming. the most I put in of gas was about 13.6 something.
------------------ 89 Police Interceptor BBK Shorty Headers, K@N Cone Filter,H-pipe no cats, 2 chamber FlowMasters,Under Drive Pullys,14 degree Timing, Short Belt, No Air Silencer, oil cooler, 3.08's, And All Police Package goodies |
I have a 5-speed and I went from 2.73 to 3.73 and didn't notice a big drop in mpg.
------------------ 88 mustang lx ragtop pulley's and a k+n 14.8 at 93mph just got some 3.73's and a new clutch, but haven't been back yet |
OOppps my total gallons would be around 12.4something. And going from 3.08's to 3.37's has made my friend car have poor gas mileage. But goot off the line
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Running 3.55's with a 5 speed - 16 to 18 city and about 22-23 highway crusing at 70 mph - none of these numbers apply when the car is driven shall I say, more aggressively
------------------ 1965 K code coupe - numbers matching - restoration ongoing. 1987 LX notch, stock heads and intake, 3.55's and typical bolt on's 13.89@100.25 |
My manual claims that my car has a 15.8 G tank. I also have 95 GT, not a Fox.
I'm hoping to get gears this summer, I want decent milage (pushing me to the 3.55's), but I really want to dip into the high 13's (pushing me to 3.73's). If I go with 3.55's, I'll need more than pullies and a good tune to break into the 13's. What a dilema. I think I'm going to have to drive a car with 3.73's and see what it's like. ------------------ White 1995 Mustang GT Dynomax Cat-Back, Offroad H-pipe, K&N Filters w/o Air Silencer My 1995 Mustang GT http://members.mustangworks.com/95mu...must-white.jpg |
My manual claims that my car has a 15.8 G tank. I also have 95 GT, not a Fox.
I'm hoping to get gears this summer, I want decent milage (pushing me to the 3.55's), but I really want to dip into the high 13's (pushing me to 3.73's). If I go with 3.55's, I'll need more than pullies and a good tune to break into the 13's. What a dilema. I think I'm going to have to drive a car with 3.73's and see what it's like. ------------------ White 1995 Mustang GT Dynomax Cat-Back, Offroad H-pipe, K&N Filters w/o Air Silencer My 1995 Mustang GT http://members.mustangworks.com/95mu...must-white.jpg |
I have an 89 GT with stock 3.08's and I usually get around 130 miles to a tank. everyone seems to get better milage than me by a long shot. Any suggestions???
------------------ 89 black GT, 5 spd air silencer removed flowmaster cat-back + h-pipe MSD Blaster coil FMS 9mm wires |
For what its worth my 98 gets 27mpg highway @70mph. Around town getting on it every once in a while I get 18-19mpg.
Thats with the stock 2.73s though ------------------ My 98 yellow stang Mods: Magnaflow cat-back |
damn i cant even good milage out of my 4.10's when i want to..i find myself shifting to 5th in less than 15 secs and cruzing a 55..it doesnt take much gas to make my car accelerate
------------------ 1987 black notch(ex 4 banger) DSS 306 w/ main support...Elderbrock 6028 heads..gt-40 intake..24# injectors...70 mm tb..77 pro-m...accel 300+..mac full legnth..tremec w/ pro5oh...full MAC exhaust,off road h-pipe,long tubes, catback...ron davis radiator..subframes, control arms...CFDF II..o yea holley FPR sucks..dont buy one.. |
Sounds like I am doing much better than most of you. I have 3.73's and get 25-26 on the hi-way consistently and have gotten as high as 29. When I am strictly in town though I see about 13-14 mpg.
How do most of you check your mileage? I see many people saying they get xx miles to a tank. That is not too accurate. I fill up my tank then reset my trip odometer. Then when I fill my tank up again, I know how many gallons I put in and can check to see how many miles I went using the odometer. Then just divide the miles I went by the gallons I put in. Sorry if I am insulting anyone by explaining this...just thought I would mention it since so many people seem to be commenting on what they get per tank. [This message has been edited by Hethj7 (edited 01-21-2001).] |
I've got 3.55's and a whole bunch of mods, bolt on and interior, and i think i get between 12 and 16 miles per/gal. on the highway. depending on the day.
------------------ 90 LX 5.0 Not timed in 1/4 mile yet. 135mph max speed, so far. |
I probably get about 12 miles to the gallon on average. I know I'm getting less than I used to before the gear change, especially since the exhaust was done. I don't think it has much to do with the gear or exhast as much as that I am incapable of allowing anyone to beat me off the line or out of the toll both. It's hard to drive a car that sounds tough and feels tough like your trying to conserve gas. I've got a 14 gallon tank and I've never gotten more than 230 miles out of a tank (about 15 to 16 mpg) unless it was a pure highway trip where I might have gotten 20 or 22 mpg. Usually I go about 150 to 190 miles on a tank of gas.
------------------ 91 LX 5.0 Z t-5, Centerforce DF clutch, Pro 5.0 shifter, 3:73's, Vortech 73mm Mass Air, Accufab 65mm TB, BBK underdrives, BBK unequal length headers, Bassani x pipe, 2.5" Dynomax Super Turbo cat back, Kenny Brown Super Subs, Factory Five Control Arms, Crane HI-6S Ignition, and more to come! |
If you're in one of those states that uses Methonol in the gas in the winter, your milage will suffer too. I get about 27 mpg in the summer and 23 mpg in the winter. With the Methonol it takes more gas to do the same job and it seems to burn cooler too. I noticed if I fill up in Wyoming where they don't use Methonol my temp gauge reads right in the middle. If I fill up in Colorado my temp gauge reads between half and a quarter depending on if I'm on the highway or city. I have a 5 speed with 3.73's.
------------------ '93 GT Richmond 3.73 gears, BBK equal length ceramic coated shorties, BBK cat H-pipe, Flowmaster American Thunder cat back, 73mm mass air, BBK 190 lph fuel pump, Hurst shifter, K&N Filter Charger, Center Force Clutch, Aluminum drive shaft. |
I have a AOD with stock 273 and I get just about 27-29 on the highway (as long as I do not pass to many people) http://www.mustangworks.com/interact...oard/smile.gif and 18-20 in the city.
Ian ------------------ Ian Sim webmaster@stangpower.com STORED: 1988 Mustang GT "Canadian Cobra", stock, AOD, loaded WANT XENON HEADLIGHTS AND WHITE FACE GAUGES? Visit my site: http://www.stangpower.com |
I agree with Heathj you have to do that method to find out your real mileage, you can't go on what you get to a tank.
At about 80mph on the freeway with small 225/50 tires and 3.73's w/ a 5 speed I get right about 19-20mpg. Skyler ------------------ -1989 Saleen Mustang #406- TFS Heads, Edelbrock intake, E-303, 3.73's, 1 5/8 shortys, Offroad-H, 2chamber flows, 36psi FPR, 15degrees timing, 70mm tb, 73mm maf, 24lb inj, Crank pulley, MSD6A, Alum driveshaft. On its way: Paxton Sn-89 with dyno tuning and long tubes. Just added: B&M Ripper, Weldin Subframes, & Turn downs! 13.2@106mph |
Wow.. I get like 17-20 mpg highway usually, but I am a speed demon on the highway.. well, come to think of it, i'm a speed demon everywhere, lol! my car has always sucked gas though! who knows.. high mileage doesn't help, i know! http://www.mustangworks.com/interact...oard/smile.gif
------------------ Joe! 1988 GT, 167,000 miles!!! 13.71@105mph Check out my listing! Click here! Or my website: www.joe4speed.com 1999 Ninja ZX-6R 10.32@135mph! |
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