400 fuel milage?
New User
Joined: Jan 2008
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400 fuel milage?
When my truck was new in 78 ,it got 22mpg/60mph on the hwy.
When it was just about worn out (319,000KM)it got 10mpg in the city.
Dennis
Please Don't Ask Me Any Tough Questions As:
"I'm Saving My Memory For When I Develop Alzheimer's"
78 F-150 429CJ,Silver
w/Explorer Pkge.
641/2-Mustang 260,Pre-World's Fair Car.
64-Fairlane500 S/C waiting for a 390-4spd.
68-Mustang 289-Sunlit Gold 80,892Mi
78-Buick LeSabre 403 4V
84 Volvo DL Wagon
When it was just about worn out (319,000KM)it got 10mpg in the city.
Dennis
Please Don't Ask Me Any Tough Questions As:
"I'm Saving My Memory For When I Develop Alzheimer's"
78 F-150 429CJ,Silver
w/Explorer Pkge.
641/2-Mustang 260,Pre-World's Fair Car.
64-Fairlane500 S/C waiting for a 390-4spd.
68-Mustang 289-Sunlit Gold 80,892Mi
78-Buick LeSabre 403 4V
84 Volvo DL Wagon
Tuned
Joined: Jun 2001
Posts: 266
Likes: 0
400 fuel milage?
>im thinking of buying another ford truck off of a friend. im
>just wondering what is the fuel milage of a 400?
Need more info based on:
What vehicle is it in?
Is it a stock engine - if not, what has been done to it?
What transmission - stick or automatic?
What gear ratio rear axle?
Do you have a lead foot?
What speeds would you be driving?
...and other variables
Depending on the answers above, mileage could vary from 5 to 25 MPG. I had one in a Ranchero, with a C6 transmission, lead foot, rebuilt with 9.5:1, mild cam, headers, dual glass packs, carter 600, streetmaster intake - and I got 8 MPG city, 12 highway. Tuning would have improved it but it was totalled before I had the chance. Fun while it lasted!
>just wondering what is the fuel milage of a 400?
Need more info based on:
What vehicle is it in?
Is it a stock engine - if not, what has been done to it?
What transmission - stick or automatic?
What gear ratio rear axle?
Do you have a lead foot?
What speeds would you be driving?
...and other variables
Depending on the answers above, mileage could vary from 5 to 25 MPG. I had one in a Ranchero, with a C6 transmission, lead foot, rebuilt with 9.5:1, mild cam, headers, dual glass packs, carter 600, streetmaster intake - and I got 8 MPG city, 12 highway. Tuning would have improved it but it was totalled before I had the chance. Fun while it lasted!
Thread Starter
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Cargo Master
Joined: Sep 2001
Posts: 3,135
Likes: 0
From: Canada
400 fuel milage?
[updated:LAST EDITED ON 05-Feb-02 AT 10:52 PM (EST)]im planning to buy a f250 stick 4x2 neg. trac rear end, 400 2 bbl carb, not a real led foot but sometimes do floor it, and i do a lot of city driving. should i buy this truck or not?
Posting Guru
Joined: Aug 2000
Posts: 1,127
Likes: 3
From: (near) Denver USA
400 fuel milage?
vampiro,
Personally, I've never seen a 351M or 400 in a truck get better than 10-11 mpg in city driving and maybe 12-13 on the highway. My truck (see sig below for stats) gets about 10 mpg city and 12 mpg highway.
These are the figures from the USEPA Fuel Economy Guide for 1978:
LTD II/Ranchero/Thunderbird/Cougar w/400: 13/17 city/highway (12/18 in CA)
LTD/Brougham/Lincoln Continental/Mark V w/ 400: 13/20 (11/18 in CA)
F100 w/ 400: 13/19 (n/a in CA)
Personally, I've never seen a 351M or 400 in a truck get better than 10-11 mpg in city driving and maybe 12-13 on the highway. My truck (see sig below for stats) gets about 10 mpg city and 12 mpg highway.
These are the figures from the USEPA Fuel Economy Guide for 1978:
LTD II/Ranchero/Thunderbird/Cougar w/400: 13/17 city/highway (12/18 in CA)
LTD/Brougham/Lincoln Continental/Mark V w/ 400: 13/20 (11/18 in CA)
F100 w/ 400: 13/19 (n/a in CA)
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