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  Miles per gallon? Is this for real?

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Author Topic:   Miles per gallon? Is this for real?
bibbs68
Gearhead

Posts: 1113
From: Jackson, TN
Registered: Sep 2000

posted 10-14-2002 01:24 PM     Click Here to See the Profile for bibbs68   Click Here to Email bibbs68     Edit/Delete Message   Reply w/Quote
I recently returned from Cruisin' the Coast in Biloxi, MS (lots of fun! ) and was figuring out my gas mileage. I took the miles that I drove (932) and divided it by the number of gallons that I used (43.42) and came up with 21.46 miles per gallon. Is that possible with my car (289 w/ Edel. intake and Holley 600cfm 4bbl carb.)?

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Jeremy
'68 Coupe
M&M Member #685
MCA Member #49134
Help make the world a better place, drive a Ford and race a slot car!

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lyle29464
Gearhead

Posts: 827
From: Mt. Pleasant S.C.
Registered: Mar 2000

posted 10-14-2002 01:57 PM     Click Here to See the Profile for lyle29464   Click Here to Email lyle29464     Edit/Delete Message   Reply w/Quote
I hope it's true. But I think you lost one receipt or didnt fill up when you got home.

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Lyle
69 rag top 93 explorer
98 f 150 28 slick craft

"If it has boobs, tires, chips or a prop sooner or later it's going to be trouble."

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Moneymaker
Administrator

Posts: 19751
From: Lyons, IL, USA
Registered: May 99

posted 10-14-2002 02:04 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Sure it's possible. With tall gears, a good tune up, hot ignition, and keeping your big toe out of the throttle 21 MPG is not out of line.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"

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ccode67
Gearhead

Posts: 1697
From: douglasville,ga,usa
Registered: Mar 2001

posted 10-14-2002 02:06 PM     Click Here to See the Profile for ccode67   Click Here to Email ccode67     Edit/Delete Message   Reply w/Quote
Could be, my 67 with 351 windsor, 5 speed and 3.50 gear got 19mpg on one tank and averaged 17.4 for a 2300 mile trip.

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Stuart MCA #48902
M&M #1091
67 stang 5 speed, 351W,
Edelbrock Performer RPM package

Artificial Intelligence is no replacement for Natural Stupidity.

http://mustangsandmore.50megs.com/ccode67.html

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bibbs68
Gearhead

Posts: 1113
From: Jackson, TN
Registered: Sep 2000

posted 10-14-2002 02:16 PM     Click Here to See the Profile for bibbs68   Click Here to Email bibbs68     Edit/Delete Message   Reply w/Quote
My rear has 2.79 gears so I guess that would make a big difference. I'll have to do some more "testing" and see if I come up with the same numbers again. That mileage is almost as good as my Honda Accord.

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RADRIDE
Gearhead

Posts: 243
From: Va.Beach, Va.
Registered: Aug 2002

posted 10-14-2002 03:22 PM     Click Here to See the Profile for RADRIDE   Click Here to Email RADRIDE     Edit/Delete Message   Reply w/Quote
Should get good mileage with those gears.Before my 4.11 locker I had 3.55 with a T-5 and got 22 highway with a moderatly well built 289.

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Fastymz
Moderator

Posts: 12015
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 10-14-2002 03:30 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
I think it's right in line.I got 16+ mpg on my last trip.And that was driving at 70+mph.
I cant believe how much better my gas milage is with my holley 600carb,over my carter 625.

SCOOP

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2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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GTRocks
Gearhead

Posts: 2436
From: Lusby, MD
Registered: Jun 99

posted 10-14-2002 06:10 PM     Click Here to See the Profile for GTRocks   Click Here to Email GTRocks     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by bibbs68:
That mileage is almost as good as my Honda Accord.

One more reason to get rid of the rice!!

Seriously, that is very much in line for highway mileage. 2.79 gears don't do much for you off the line, but you see where they do help you. The 4v won't hurt you much at highway speeds either provided you lay off the passing gear.

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torrey
Journeyman

Posts: 6
From: Dallas, TX, USA
Registered: Jan 2002

posted 10-17-2002 10:29 AM     Click Here to See the Profile for torrey   Click Here to Email torrey     Edit/Delete Message   Reply w/Quote
One summer while in New Mexico, my rear main oil seal starting leaking, but it would only leak when I was over 65 mph.

On the return trip to Texas (about 700 miles), I kept my speed at 60 mph to avoid blowing all of my oil out. It's been awhile, but I think I may have stopped for gas 3 times on the way back, and my cousin and I both recalculated my gas mileage just to be sure what we were seeing was correct: 28 mpg. This is from a 289 2V.

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Fastback68
Gearhead

Posts: 1746
From: Sucat, Paranaque, Philippines
Registered: Jul 99

posted 10-17-2002 11:39 AM     Click Here to See the Profile for Fastback68   Click Here to Email Fastback68     Edit/Delete Message   Reply w/Quote
I have got incredible mileage out of my 302 4V when cruising long distances at 50 mph, but the town stuff with speed bumps is atrocious. I saw a BBC documentary recently on REAL mileages vs. claimed mileages on big American V8s, and my 68 Stang can beat a new Ford Expedition hands down around town. (They didn't do a long distance highway haul, and I haven't tried my Stang off road.) They did a stop-start test on an Expedition, heavy traffic, the works, and it came in at less that 10 mpg. I kid you not. Food for thought!

[This message has been edited by Fastback68 (edited 10-17-2002).]

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rockafellz
Gearhead

Posts: 1312
From: San Lorenzo, CA, USA
Registered: Aug 2001

posted 10-17-2002 12:51 PM     Click Here to See the Profile for rockafellz   Click Here to Email rockafellz     Edit/Delete Message   Reply w/Quote
Hey Simon,

I will second your MPG feedback on the Expedition as I've gotten as little as 200 miles on a 24 gallons of gas with strictly town/city no highway driving. I did this all last week when I was running around for parts for the stang.

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

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Lennie
Journeyman

Posts: 40
From: Denton, TX, USA
Registered: Dec 2001

posted 10-18-2002 10:40 PM     Click Here to See the Profile for Lennie   Click Here to Email Lennie     Edit/Delete Message   Reply w/Quote
I don't see why you can't get somewhere in the neighborhood of 21 to 22 mpg. I had an 85 GT 5.0 with 3.08 gears and always got at least 24mpg going down the highway at 80 mph (2500 rpm)

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pthornton
Gearhead

Posts: 601
From: Austin, TX USA
Registered: Jun 99

posted 10-19-2002 01:09 AM     Click Here to See the Profile for pthornton   Click Here to Email pthornton     Edit/Delete Message   Reply w/Quote
My Boss 302 get the best gas mileage of all the vehicles I own. The Mitsubish gets 14, the Ford F150 get 12 and the Saleen get 10. Hard to believe a 30 year old car with over 300 FWHP get the best mileage but it has a significant weight advantage over the new cars.

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mustangboy
Gearhead

Posts: 670
From: Ont, Canada
Registered: Mar 2002

posted 10-21-2002 10:11 AM     Click Here to See the Profile for mustangboy     Edit/Delete Message   Reply w/Quote
When my 68 was all stock I averaged 21 mpg on a trip down to the Pocono's from up here in Ontario.The car had 160,000 miles on it too.Stock 302-4V with 3.00 gears and 3 speed manual trans with air conditioning.

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Moneymaker
Administrator

Posts: 19751
From: Lyons, IL, USA
Registered: May 99

posted 10-21-2002 10:28 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
MM used to get 15 MPG with 5.14 gears and Tri-power.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"

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