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03-09-07, 08:21 PM
|  | mine works really well and can take a fair amount of pressure without bending | | Join Date: August 2006 Location: Central VA
Posts: 1,649
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375 mile trip back from western PA yesterday and I got 23.8 MPG while doing the posted speed limit or 5 MPH over the whole way. Not bad for my modded automatic. |
03-16-07, 04:20 PM
|  | Official Member | | Join Date: May 2006
Posts: 98
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I originally posted here http://forums.stangnet.com/showpost....&postcount=141
A week or so ago, I installed a JBA cat-back on the V6 and was curious if the 'freer flowing' muffler would increase my MPG. I ran the same loop as described in my previous post and actually noticed about a .5 MPG drop. I did a run before installing (31.3) and after (30.8) ... 60 mph, 55 degrees outside, 50% humidity, no noticable wind.
It's possible that the air demand @ 60 mph was just too little to see a difference (1750 RPM)
Last edited by glewis29; 03-16-07 at 04:22 PM.
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03-17-07, 04:51 PM
|  | start with the upper hole, and if more traction is needed, try the lower hole | | Join Date: May 2005 Location: 7200 feet
Posts: 4,239
| | Quote:
Originally Posted by glewis29  I originally posted here http://forums.stangnet.com/showpost....&postcount=141
A week or so ago, I installed a JBA cat-back on the V6 and was curious if the 'freer flowing' muffler would increase my MPG. I ran the same loop as described in my previous post and actually noticed about a .5 MPG drop. I did a run before installing (31.3) and after (30.8) ... 60 mph, 55 degrees outside, 50% humidity, no noticable wind.
It's possible that the air demand @ 60 mph was just too little to see a difference (1750 RPM) | have you changed your filters lately? if not, that could cause the difference. |
03-17-07, 06:51 PM
|  | Official Member | | Join Date: August 2004
Posts: 339
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What's gas mileage?   |
03-17-07, 09:12 PM
| | mine works really well and can take a fair amount of pressure without bending | | Join Date: August 2006 Location: Central VA
Posts: 1,649
| | Quote:
Originally Posted by lightblade What's gas mileage? | The magic # when all you have is $10 in your pocket and 100 miles to get home...  |
03-28-07, 11:06 AM
|  | Founding Member | | Join Date: September 2001 Location: Hurricane,WV
Posts: 1,165
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I'am getting 28.5 mpg with 4.0 V6 With 332 miles. on trank gas. |
04-05-07, 12:13 AM
|  | Member | | Join Date: February 2007 Location: SF CA
Posts: 49
| | | mileage
car only has 2000 miles on it. still breaking in?
07 GT automatic 10mpg city streets with lots of hills, red lights, slow traffic, and small girls that can hardly see over the steering wheels of their old hooptie toyotas.
highway is about 20-21 and that's driving rather aggressively. |
04-22-07, 12:53 AM
|  | Member | | Join Date: March 2007
Posts: 4
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V8, manual. avg 15, but I drive hard, and am not the best with the stick. |
04-25-07, 11:11 AM
|  | Official Member | | Join Date: August 2006 Location: Green Mountain State
Posts: 70
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After the new Pypes went on, I've noticed 4 things:
1. No more bogging after a long cruise.
2. No more throttle-lag.
3. The ability to "coast" without more than 1 engine-braking per gear.
4. Better gas mileage.
Today, I'm averaging over 30 MPG at 65-85.
Yesterday after my fillup, this is what the computer had to say.
Its all about driving style, knowing your car's power curve, and taking advantage of the road (downgrades).
SOHC |
04-25-07, 02:20 PM
| | Member | | Join Date: February 2002 Location: Johnstown PA
Posts: 9
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I am averaging between 17 and 18mpg have under 2000 miles on it. I know I could do better but this cars just a toy, im not worried about the fuel as much so i'll keep my foot heavy. |
04-25-07, 06:35 PM
| | mine works really well and can take a fair amount of pressure without bending | | Join Date: August 2006 Location: Central VA
Posts: 1,649
| | Quote:
Originally Posted by FlyinFlynn390 I am averaging between 17 and 18mpg have under 2000 miles on it. I know I could do better but this cars just a toy, im not worried about the fuel as much so i'll keep my foot heavy. | +1  |
04-26-07, 01:57 AM
|  | Member | | Join Date: April 2007 Location: Blackpool UK
Posts: 3
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Only had it a week, but here's my 2 cents....
Driving it back home after collecting it (300 miles) I had the cruise set to 60mph, and once at that speed I reset the average mpg and after 100 miles it was reading... you ready for this? I kid you not.... 30.8mpg!!! Seriously... I wish I'd taken the risk of getting my phone out to take a photo, as no one believes me now.
However.... since getting back home, I've been doing a lot of town driving - mainly very gentle, but with the occassional blast away from the lights, or dropping to 2nd and booting it. Under these conditions, I'm getting 16mpg.
Looks like mpg is seriously variable depending on how you drive it, and where, and at what speed.
Still... no complaints from me. You want great fuel economy, buy a Honda Civic
It's done 2000 miles so far.
[EDIT]
Just realised there would have been no risk in getting the camera out, as all I had to do was pull over... Doh! How dumb do I feel now? Was in such a rush to get it home, stopping was not part of the equation 
Last edited by Pook; 04-26-07 at 07:28 AM.
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04-26-07, 03:20 PM
| | Official Member | | Join Date: August 2006 Location: Green Mountain State
Posts: 70
| | Quote:
Originally Posted by Pook Only had it a week, but here's my 2 cents....
Driving it back home after collecting it (300 miles) I had the cruise set to 60mph, and once at that speed I reset the average mpg and after 100 miles it was reading... you ready for this? I kid you not.... 30.8mpg!!! Seriously... I wish I'd taken the risk of getting my phone out to take a photo, as no one believes me now.
[edit]
Looks like mpg is seriously variable depending on how you drive it, and where, and at what speed.
[EDIT]
Just realised there would have been no risk in getting the camera out, as all I had to do was pull over... Doh! How dumb do I feel now? Was in such a rush to get it home, stopping was not part of the equation | "Looks like mpg is seriously variable depending on how you drive it, and where, and at what speed."
+10
Hi Pook,
30MPG in a V6 is respectable, but a GT?! Definitely the Master of control behind the wheel.
I've seen the V6 guys bitchin' about getting under 20.
I averaged 31.4 yesterday, today I had my foot in it so I only got 29.6. LOL
Free flowing exhaust is one huge difference (noticed +2 MPG immediately).
And it sounds great.
My buddy up in Yorkshire should be getting his pony today, do you have a decent aftermarket vendor in the UK I can link him too?
SOHC  |
04-27-07, 01:18 AM
| | Member | | Join Date: April 2007 Location: Blackpool UK
Posts: 3
| | Quote:
Originally Posted by sohcman
30MPG in a V6 is respectable, but a GT?! Definitely the Master of control behind the wheel.
| I'd love to take credit for that, but the fact is, I had cruise control on and set to 60mph. It was flat, level ground too with occassional downhill stretches. It IS an extreme case, but I averaged this over a couple of hundred miles.
Like I said tho.. now in town traffic and it's hovering around the 14 - 15 mpg area.
Last edited by Pook; 04-27-07 at 01:19 AM.
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05-04-07, 01:22 PM
|  | Member | | Join Date: May 2007 Location: Baltimore, MD
Posts: 7
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Still getting 23 mpg on highway even with 520 rwhp |
05-14-07, 06:01 AM
| | Member | | Join Date: May 2007 Location: CT
Posts: 2
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27.2 mpg running at 65 to 70 mph on my first trip, w/ a new car / engine. Currently averaging 19.5 to 19.9 around town. Mine is a manual trans. |
05-15-07, 08:59 AM
| | Official Member | | Join Date: June 2004 Location: Lafayette, LA
Posts: 78
| |  Gas Mileage
2005 GT 5-spd, I get about 15.4 in the City and about 25.7 hwy w/cruise at 72mph. Those numbers are only good if you keep you foot out of it..... |
05-15-07, 02:31 PM
| | mine works really well and can take a fair amount of pressure without bending | | Join Date: August 2006 Location: Central VA
Posts: 1,649
| |
The only time I've used cruise control in the Mustang was in the first week just to make sure it worked... |
06-17-07, 10:33 AM
| | Founding Member | | Join Date: September 2000 Location: south louisiana
Posts: 10,217
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Just completed a 3,000 mile trip from South Louisiana to Colorado and back, towing my custom built aluminum utility trailer. Trailer's loaded weight was 800 lbs. Stang's gross weight was 4100 lbs, for a combined GVW of 4900 (Me, the wife and luggage,etc in the car, camping equipment in trailer) Speeds ranged on the highway from 65-80 with occasional bursts to 90-100 (passing other vehicles ) Car now has 17,000 miles on it (06 GT, manual trans) Fuel mileage was 21-25 mpg, average was 23 mpg. Same trip last year without trailer was 24 mpg. Who says you can't tow with a Stang ?  |
06-18-07, 11:45 AM
|  | Member | | Join Date: December 2006 Location: Enterpriase, AL
Posts: 27
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19.6 w/ Demolet CAI and 93 tune, was 17.7 before that. That is 6 miles highway and 7 miles savannah city to and from work. 26 miles round trip. |
07-09-07, 10:23 PM
|  | Official Member | | Join Date: June 2007
Posts: 54
| | | After 3,000 miles ...
... on top of the 14,000 it had when I got it,
24-25 mpg keeping up with 80 mph freeway traffic
16-18 mpg doodling around town with light throttle foot
13-15 mpg (on a tank) when autocrossing or drag racing is included
. . . . Actual mpg with WOT is probably 4-8 mpg, by the Fuel needle
.
Automatic 2006 V6 with GT 17" Bullitts, Pirelli tires, top down |
07-11-07, 06:16 PM
|  | Official Member | | Join Date: July 2007 Location: High Desert CA
Posts: 55
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I have a 180 mile round trip commute to work, I set the cruise at 75 or so. I get on the freeway like I mean it and will use the gas over the brakes to avoid traffic.
According to the car my average is 24.2. I am tuned for 91 with the below mods. |
07-11-07, 08:54 PM
|  | Member | | Join Date: January 2007
Posts: 4
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Just took a 270 mile trip north on I35 from SA to Dallas last weekend, I averaged for the whole trip just over 28 mpg. Calculated on my dash, and by the calculator on my phone when I filled up in dallas. I cruised at 75 mph in 5th. For the first 45 miles or so my in dash was telling me I was at 31 mpg until I hit Austin traffic. Pretty damn good in my opinion!
07 GT 5spd
Frpp Stinger |
07-21-07, 02:34 PM
|  | Founding Member | | Join Date: November 2002 Location: West Hollywood, CA
Posts: 651
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Before supercharger: 15mpg city
After supercharger: 17.3mpg city (17mpg if I get on it a lot)
I don't really ever get a chance for highway miles here in LA traffic. |
08-01-07, 10:25 AM
|  | Member | | Join Date: July 2007 Location: North GA, USA
Posts: 8
| | Quote:
Originally Posted by Mr_Q Before supercharger: 15mpg city
After supercharger: 17.3mpg city (17mpg if I get on it a lot)
I don't really ever get a chance for highway miles here in LA traffic. | That's really interesting about the SC... I wonder how it affects the highway mileage...?
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