91 mustang gt 170k miles bbk h-pipe bbk- shortys and flowmaster mufflers I get about 220 miles to a FULL tank of gas! Sometimes lower!
1991 mustang gt really low gas mileage! Mostly stock
91Mustang GT
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91 mustang gt 170k miles bbk h-pipe bbk- shortys and flowmaster mufflers I get about 220 miles to a FULL tank of gas! Sometimes lower!
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7,825 Posts
Thats about dead on. I had the same mods to a "T" with a c&l cold air and I would get the same miles to a tank? Whats the compaint? For a almost 20 year old v8 that is respectable.
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Well I know when I bought the car I shouldn't have been thinking about gas mileage but still, 220 miles to a $45 fill up? What can I do to raise the gas mileage?
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learn how to hypermile and you will get better mileage
100+ Hypermiling / ecodriving tips & tactics for better mpg - EcoModder.com
100+ Hypermiling / ecodriving tips & tactics for better mpg - EcoModder.com
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5,384 Posts
Haha, what a blast from the past. I was an active member on that forum a while ago. I used a few mods and a lot of driving techniques and got 44mpg per tank out of my 92 civic on a pretty regular basis. If you do it right, you can increase your mileage a lot.
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i get usuallyfill up before 220, but have measured 19mpg city when i drive like a granny, cruise to a stop in neutral, acc slowly. 24 highway.
although mostly getabout 17mpg. fun fact, when i first got the car i averaged 14.....i kinda beat on it, since my last car was miserably slow and i loved the power
although mostly getabout 17mpg. fun fact, when i first got the car i averaged 14.....i kinda beat on it, since my last car was miserably slow and i loved the power
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i put in a vacuum gauge, and used some of the tips on there and was getting 18mpg. that was when my car was running like **** and i had to pull the engine.
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5,585 Posts
in my 87 with 3.27 gears i got about 22mpg combined. mostly highway though.. but i shifted at ~2200rpms and drove nice. not necessarily like a grandma but i didnt beat on it. in my 88 with 4.10's i got 18 combined with the same driving.. i kinda beat on it more because it was faster with the 4.10's.
I would change the plugs, wires, cap and rotor, air filter, and fuel filter though right when i got my cars to ensure i got the best mileage i could. i also changed my plugs twice a year along with my fuel filter. and air filter i did once a month. i have ocd though haha
I would change the plugs, wires, cap and rotor, air filter, and fuel filter though right when i got my cars to ensure i got the best mileage i could. i also changed my plugs twice a year along with my fuel filter. and air filter i did once a month. i have ocd though haha
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7,051 Posts
I got an honest 28 mpg on the highway in my old 88 speed density 3.27:1 5 speed GT Vert with nothing more than: jacobs ignition, Underdrives, electric fan, and bbk CAI, advanced timing (12-13), dyomax catback, and autolite plugs. When I put headers and offroad H on, it dropped to 23-24.
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11,995 Posts
My 88 GT did 27-28mpg on the highway too. It had 180,000 miles on it. But this was also with 3.55 gears, long tube 1 5/8" headers, full 3" exhaust, underdrives and a couple other bolt ons.
My 91 GT with heads, cam, intake, 3.73 gears, etc. got 25mpg on the highway and ran 11.50s.
Every other 87-93 Mustang I've owned was 25+mpg on the highway except my black notchback.
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