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Old Aug 10, 2010 | 07:14 PM
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Help please! 77f250

Alright,Well to start I'm looking at this truck to buy for my first truck . But..Im getting nervous because of what I have been reading.
To start the truck is a 1977 f250 highboy,With a fe 360 and dana 4spd. I want to get atleast 13mpg out of this baby,but from what i'm told all i'm get is 5?? I'm not sure if the truck is lifted or not the guy has it on 38s so i'm guessing it is? I love old trucks,But my dad can't see that...): So I need help so when I go to show him what I have found he will actually think about it instead of trying to get me to drive a car.YUCK! ha. Also any mod or idea you have i'd love to hear thanks!

 
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Old Aug 10, 2010 | 07:32 PM
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In a decent state of tune pretty much any of the V-8's will see around 9. You can look for a 6cyl truck. that'll be closer to your goal of 13.

As for the truck your looking at being lifted, YES it is to run 38's. And those tires won't help your mpg's at all !!!
 
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Old Aug 10, 2010 | 09:46 PM
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What is a good v6 then? I need something that won't get me stuck in the mud.
 
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Old Aug 10, 2010 | 10:00 PM
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76250_4x4
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hey let me tell you with 38s and a 4 speed the tires should help ur cruising mileage, i have the same truck engine and tranny and it has 33s on it and i bet it runs about 4 thousand rpms going 75(4:10 gears). As for a 6 you can look for the same truck but with the inline 6 300 cid. its a great engine as far as reliablility
 
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Old Aug 10, 2010 | 10:15 PM
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Well,The truck im looking at has a great price on it,lol. So how much you think if would cost me if I just replaced the 360 with an 6 300 cid,what kind of parts would I need? Thanks for your help so far(:
 
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Old Aug 10, 2010 | 10:20 PM
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If the truck is a good price, get it and then make sure it's tuned up pretty good and drive it. You may not hit the 9 or 10 mpg, but you'll end up spending quite a bit of money and only improve your MPG by 2 or 3 MPG if that. Yeah, you could go with smaller tires, higher gears, different engine, but the money you'll spend on those things just to squeeze a little more MPG, it's not worth it. I guess that's my 2 cents.
 
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Old Aug 10, 2010 | 10:27 PM
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Well Sir,thanks! (: What kinda of mods should I do to my 360 to make it get me the best mpg I can get? Or what would you sugest?
 
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Old Aug 10, 2010 | 10:44 PM
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You sure it's a 360? 1976 should have been the last year for the FE's. I think '77 was the first year for the 351M/400, unless there were some early holdovers?
 
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Old Aug 10, 2010 | 10:53 PM
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positive, with dana 4spd.
 
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Old Aug 10, 2010 | 11:07 PM
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Dana 4 speed? 4 speed with Dana differentials.
 
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Old Aug 10, 2010 | 11:35 PM
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I guess so im no expert sir.
 
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Old Aug 10, 2010 | 11:41 PM
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i have a 79 f250 351M dana 60 with 3:73 and i get 12mpg with a 4peed stick with granny, just keep a light foot and you should get ok milage
 
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Old Aug 11, 2010 | 06:10 AM
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thanks mr.69furd ill do that also.
 
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Old Aug 11, 2010 | 07:22 AM
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Just remember you are talking about a truck over 30 years old so if your really needing mpg then you might hold off getting this. I know they are cool and all but this is a truck and 4x4 with big tires. Good mpg will not be in the vocabulary when talking about these great rides.... LOL Good luck with it if you do buy and have FUN!
 
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Old Aug 11, 2010 | 03:36 PM
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Yeah I understand that, Hey y'all I found a 66 with a inline 6,But I just want to make sure I'm correct on this that's still a high boy right,Or was there a certain time frame in 66 that they didn't make 66 f250 high boys?
 
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