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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

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  #1  
Old 10-11-2000, 11:43 AM
maveric maveric is offline
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351 gas mileage

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  #2  
Old 10-18-2000, 11:09 PM
85351ho 85351ho is offline
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351 gas mileage

I waas just wondering what kinda of mileage everybody is getting, especially people with 351's, please give some details on your truck too
I get about 12-15 mpg with mine, it depends on where im driving or how im drivin, i got a c-6 with 350 gears and 33's, and some sidegapped plugs and no emmissions stuff


1985 F-150/351Ho/4wd
many mods

on a quiet night your can hear the chevys rusting away
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  #3  
Old 10-18-2000, 11:44 PM
swenson swenson is offline
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351 gas mileage

Well, I've got a very similar setup, 85 F150 4x4 C6, 3.55 gears, 33" mud tires, but the best I've done in the past few months is 9mpg. For a while last winter I got a real consistent 5mpg, but that was due to a dead choke. The carb is pretty much dead, but she runs so I don't really care right now. I just got a 95 EB Bronco with a 302, so the 85 is gonna be more of a toy than a daily driver. Not sure how the emissions test here in MA will affect her, hopefully I won't have to sell her .
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  #4  
Old 10-19-2000, 04:20 AM
DannyP DannyP is offline
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351 gas mileage

>I waas just wondering what kinda
>of mileage everybody is getting,
>especially people with 351's, please
>give some details on your
>truck too
> I get
>about 12-15 mpg with mine,
>it depends on where im
>driving or how im drivin,
>i got a c-6 with
>350 gears and 33's, and
>some sidegapped plugs and no
>emmissions stuff
>
>
>1985 F-150/351Ho/4wd
>many mods
>
>on a quiet night your can
>hear the chevys rusting away
>

I get about 12mpg empty and about 9 pulling a gooseneck, so I think you are doing pretty good.

DannyP
89 F-150 4x4 former EFI I-6 now carbed 351W, Edelbrock heads,cam,intake,carb.
MSD 6A, T-18 but looking for a ZF. 3.55's.
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  #5  
Old 10-19-2000, 09:26 AM
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slikness slikness is offline
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351 gas mileage

Ive got a 351W with the 600 cfm Edelbrock and side-gapped plugs and I get 13 when towing our race car and 14.5 carrying several hundred pounds of tools and tires.

'82 F150 2WD w/351W (orig 300 I6)
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  #6  
Old 10-19-2000, 03:14 PM
85351ho 85351ho is offline
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351 gas mileage

hey slik, what are your rear gears and what kinda tranny u got? is it 4wd? and dont u have some headers and a mild cam or sumthing?



1985 F-150/351Ho/4wd
many mods

on a quiet night your can hear the chevys rusting away
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  #7  
Old 10-19-2000, 03:27 PM
daywalker daywalker is offline
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351 gas mileage

I have a 92' F-250 5.8 efi 4x4 4.10 gears with a 5 spd manual and a k&n air filter. I get 12.7 mpg in town. And 14 or 15 (depends on speed) on the highway.

Daywalker
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  #8  
Old 10-20-2000, 07:42 AM
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351 gas mileage

2.73 rear (need a 3.89), 2WD, Doug Thorley headers into a dual exhaust with dual cats, MSD 6A, pushing about 240 hp.

'82 F150 2WD w/351W (orig 300 I6)
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  #9  
Old 10-20-2000, 10:38 AM
85351ho 85351ho is offline
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351 gas mileage

mines like having a 3.07 rear with my 33 inch tires,,plus the extra weight of them, i cant wait till i change to 4.11's


1985 F-150/351Ho/4wd
many mods

on a quiet night your can hear the chevys rusting away
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  #10  
Old 10-24-2000, 07:34 PM
budfrog budfrog is offline
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351 gas mileage

hey 85351ho...what do you think of the side gapped plugs, any power or mileage increases? it seems like an easy enough mod if it works. as far as mileage i get 12 - 15 with my 96 351 e4od ext cab sb with a moon visor, stock tires
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  #11  
Old 10-25-2000, 01:55 AM
mcdev mcdev is offline
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351 gas mileage

Believe it or not I have been consistently getting 16mpg since I put my K&N in... even doing 90 mph..

1991 F150 Nite, 5.8L, E4OD, K&N filter charger... 160 K and still going strong
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  #12  
Old 10-25-2000, 06:54 AM
85351ho 85351ho is offline
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351 gas mileage

i agree, my mileage went up about 2 mpg...i used some basic autolite plugsm, also i noticed my engine semmed a bit peppier and was smoooth


1985 F-150/351Ho/4wd
many mods

on a quiet night your can hear the chevys rusting away
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  #13  
Old 11-18-2000, 01:47 PM
Bigfoot44 Bigfoot44 is offline
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351 gas mileage

Iv'e got a 91 with a stroked 351 (now a 393) running fuel injection. 38.5 inch tires and 4.88 gears. I get a whole 6mpg lucky me.
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  #14  
Old 05-17-2009, 12:09 PM
goodoleboy62 goodoleboy62 is offline
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hey guys I have a 85' F-150 4x4 with a C-6 transmission and a 351W HO. The motor has about 300k miles on it and I have 3.77 gears. Im getting about 10-12mpgs in town and on the highway. Im planning on rebuilding the engine soon so hopefully ill get better mileage.
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  #15  
Old 05-17-2009, 02:33 PM
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Ken Blythen Ken Blythen is offline
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83 F250 2wd with 3.54 rear axle & 8000 miles since being rebuilt -
cruising at 55mph, empty, is giving consistent 16.5mpg(US gals - but I'm in NZ) on open road driving.
AOD trans, but I seldom use OD due to hilly area.
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Old 05-17-2009, 02:33 PM
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1985, 1996, 33, 351, 351gas, 351m, 351w, 58, efi, f150, ford, gas, ho, i6, inch, kind, mileage, modified, mpg, tires

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