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#1
05-05-2003, 08:53 PM
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gas mileage
i was just checking since i am going to change my engine what kind of gas mileage the 5.0 engine gets in 1990. also, if it matters to anyone, i will be adding pictures of my car soon.
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#2
05-05-2003, 09:09 PM
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25 on the highway?
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#3
05-05-2003, 09:21 PM
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does it, cause my dad didnt seem to think so, cause thats what my 4 cylinder gets
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#4
05-06-2003, 12:35 AM
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suprisingly they do get pretty good gas mileage, my friend 'bigdantheman' used to have an 86 accord lx-i and now has an 89 5.0 and he gets about the same if not better mileage than he did in the accord. Suprised me too.
__________________
 AF Bay Area Crew 97 Toyota T100 xcab 3.4l v6 5spd 2wd
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#5
05-06-2003, 08:29 AM
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Just be careful when you start modifying. I get about 10-12 mpg around town and 13-15 mpg on the highway.
__________________
[size=1]-1950 Ford Custom, flathead V8
-2013 Ford Flex -1999 Ford F150
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#6
05-06-2003, 10:10 AM
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My '91 gets 14-16 mpg city if I'm driving nicely, 11-13 normally
 , and about 25 mpg on the highway.
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1991 Mustang GT vert...1 5/8 shorty headers, offroad h-pipe, flowmaster mufflers, CAI, ported and polished lower manifold, 3.73's, Tremec 3550, King Cobra clutch, Pro 5.0 shifter, electric fan, subframe connectors, Lakewood upper control arms....A LOT more to come.....if only money grew on trees...14.2@95 mph 221 rwhp and 278 rwtq
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#7
05-06-2003, 10:41 AM
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my 1901 gets 25 on the highway and 15 in the city.
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#8
05-06-2003, 03:36 PM
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Quote:
1901!!!! They made them beasts good back then hu?
__________________
[size=1]-1950 Ford Custom, flathead V8
-2013 Ford Flex -1999 Ford F150
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#9
05-06-2003, 08:25 PM
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64 1/2 Mustang?
Please. O1 BABY!
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#10
05-06-2003, 10:57 PM
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MY 94 gets about 17 around town and 23 on the interstate.
__________________
More photos and Info/website! 1994 Cobra -off road h-pipe -superchips power chips -mac cold air induction -BBK aluminum underdrive pullies -pro-m 75mm bullet MAF -18" konig wheels with nitto 555 zr tires -Ford Racing 65mm throttlebody -Ford Racing king cobra clutch -Ford Racing 3:73 Gears -Ford Racing Aluminum driveshaft -Bullit suspension/ springs,shocks,struts -Aubrun HD limited slip Diff. 2002 subaru Impreza RS - stock 1989 Toyota pickup 4x4 -K&N 
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#11
05-08-2003, 02:59 AM
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Gas mileage is very dependent on driving style. Believe it or not you can increase the gas mileage by adding a less restrictive exhaust, and intake. Dont go extreme though. A more suited rear gear can also improve your gas mileage. If you are the type that like s to hit the gas hard and accelerate quickly than these mods are no good for you.
A properly tuned 5.0 with a less restrictive exhaust, and a CAI, with 3.55 gears if driven very cautiously can net nearly 27mpg. This is directly related to the fact that an engine is just a big compressor. The less strain that the engine is put under the more efficient. CAI= less intake restriction, and draws air from the fender which equals denser more oxygenated air. Exhaust= allows the engine to "exhale" easier (try breathing in through your mouth as fast as you can, and exhale through your nose, see the restriction now) Gears= 3.55 gears will decrease the amount of initial exertion that is required to get your vehicle started, thus resulting a more efficient vehicle BTW my 95 stang gets 5 mpg if i babie it and keep it under 3k RPM Under hard driving you can actually watch the gas guage drop!!
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My Cars: 1995 mustang Gt with 1000hp potential, and over 600rwhp on the streets 1991 Sentra SE-R with Jim wolf cams and ecu. Place racing CAI, Nissan 300zxTT injectors and fuel pump, Unorthadox pullies, NOS 100 dry shot. 1993 Nissa 240SX: Currently planning out and getting parts to do a RB26dett swap with a Rb25 transmission I have had many mitsubishi cars, and even honda b series cars.
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