I'm looking to purchase a 4.6 gt (2000 to 2004) and am wondering which modifications will increase gas mileage and by how much? Also, what would be a ball park figure for each add on? Obiously I'm mechanically challenged, but I thought I might get some advice on here.
cold air induction...
brings in more colder air and has an effect that drops rpm's thus having better gas mileage. after my cai install, i noticed that my cruising speeds were about 400 rpm's less.
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'99 Mustang GT Limited Edition/35th Anniversary
Steeda Tri-Ax Shifter, Ford Racing 3.73 Gears, Moser Axles, Ceramic Brakes, MagnaFlow Cats, Basani X-Pipe, 40-Series Flowmasters, Bomz CAI(modified), Fully Loaded, Black/Silver Leather, 17" LE Pony Rims, Fuzion ZRi 275-40-17 Tires, Mach 1 Grille Delete, Black Euro Tail Lights, Mach 460 Sound System, Sony Xtreme Head Unit with XM Satellite, Pioneer 3-way Replacements, 2 10" Audiobaun DVC Subs powered by Rockford/Fosgate Amps
I have some to the conclusion fuel economy and mustangs do not really go that well together, I guess that my mileage is not that bad I get about 15-18 miles a gallon on a very good week when I dont drive it like I stole it.
i did notice slightly better gas mileage once i got my CAI but if you get a mustang dont foccus too much on gas mileage cuz it wil just depress you lol.
~Brian
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2002 Mineral Grey GT 5spd
8psi procharger kit, MAF-ia, Accel direct fire coils, Borla Catback Exhaust, MAC LT's, MAC o/r H, BBK TB and plenum, 3.73 Motive gears, MGW Shifter, FRPP Driveshaft, Moser axles w. trickflow girdle, MM RLCA's, FRPP C-Springs, Strange Adj. Shocks and struts, 10th Anniversary Cobra Brake Converson Kit (Front), BBK SB and subframe connectors, SLP line lock, and 10.5" Mickeys.
360RWHP 380RWTQ
definately if you drive sane you will see 18-20. if you do a alot of highway gears will kill it especially when you go more than 373s. some good free flow mufflers cai will help out.
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-Felipe, 2002 Mustang GT 5 Speed
Track Results = 13.53@102.4mph 1.97 60' on 245/45/17 Street Tires
|Cold Air Intake|MAC 70MM Throttle Body|C&L Plenum|MM CC Plates|SCT Xcal2|Steeda Triax|Ford 3.73 Gears|Steeda LCA|FRPP "C" Springs|Kenny Brown Subframe Connectors|MAC O/R H-Pipe|MAC Catback|Strange Engineering 10Way Struts|8K H.I.D. Kit|Spec2|Nitto 555r 315/35/17 |
dude pretty much gas mileage and mustangs are not buddies - your not going to get great gas mileage out of a mustang
I agree......I think in theory if you did minor bolt on mods and kept your A/F ratio perfect you might see a small increase in gas mileage, however if you are looking for good gas mileage then you probably should look for another car. I'm not trying to be a jerk or harsh, but the fact of the matter is that ESPECIALLY when you start modding it's hard to keep your foot off the throttle and if you do what's the point of modding?
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2004 DSG Mach 1 (sold)
Steeda Tri-Ax
K&N FIPK II
Mac Prochamber w/cats
Magnaflow cat back
PHP Intake Spacer
Custom Dyno Tune
304rwhp & 330rwhp
question about mods that will lower gas mileage 
