winter driving! mpgs - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 20 (permalink) Old 10-20-2010, 01:03 AM Thread Starter
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winter driving! mpgs

does the winter take away fuel mileage! I've noticed that now that its getting into the 30s over night that im using more fuel! on the way too work both ways!

1996 F-250,Ext.cab,LB,4x4
stock tires

180K,6 pos chip,Open air filter, 3'' down pipe,fpr mod,ccv mod
4.10s gears!
Boost, Pryo and transmission gauges
sonnax shift improver kit
bronco tank mod
hayden cooler for transmission

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post #2 of 20 (permalink) Old 10-20-2010, 01:21 PM
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Re: winter driving! mpgs

You will lose economy burning #1 fuel, but that shouldn't be out yet.
But cold air is more dense, so more air goes into your engine, requiring more fuel.
Also, guessing you may be idling more for warm up?

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post #3 of 20 (permalink) Old 10-21-2010, 12:55 AM Thread Starter
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Re: winter driving! mpgs

local fill up station is out with the winterized fuel! only idling for a few minutes, then off i go! should i let it warm up for a longer period of time! im plugging it in so i figured it didnt need much time too warm up!!? and i just put in new ZD-11's!

1996 F-250,Ext.cab,LB,4x4
stock tires

180K,6 pos chip,Open air filter, 3'' down pipe,fpr mod,ccv mod
4.10s gears!
Boost, Pryo and transmission gauges
sonnax shift improver kit
bronco tank mod
hayden cooler for transmission

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post #4 of 20 (permalink) Old 10-21-2010, 12:58 AM
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Re: winter driving! mpgs

If you let it warm up longer then your mpg will go down.

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post #5 of 20 (permalink) Old 10-21-2010, 01:06 AM
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Re: winter driving! mpgs

It ain't the fuel boys. Its the air density.

Aero drag is proportional to air density. Cold, dry air is denser than warm, moist air.

Unless you live in Alaska, you wouldn't be getting winter blend just yet.

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post #6 of 20 (permalink) Old 10-22-2010, 01:33 AM Thread Starter
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Re: winter driving! mpgs

sorry to argue! put fuel in today at kwik trip, big red sign says winter blend on the pump plan as day!! and a red tag on the coupler! I'm in WI! frosty in the mornings!

1996 F-250,Ext.cab,LB,4x4
stock tires

180K,6 pos chip,Open air filter, 3'' down pipe,fpr mod,ccv mod
4.10s gears!
Boost, Pryo and transmission gauges
sonnax shift improver kit
bronco tank mod
hayden cooler for transmission

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post #7 of 20 (permalink) Old 10-22-2010, 02:38 AM
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Re: winter driving! mpgs

You'll loose MPG with your hubs locked in, usually around town & on country roads I leave em locked. Right before I hit the highway I unlock em then relock on the exit ramp depending on conditions.


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post #8 of 20 (permalink) Old 10-22-2010, 05:15 PM
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Re: winter driving! mpgs

The hubs hurt a fair bit, and I guess the air density hurts a fair bit too.

I've been having to use the 4wd a bit the last week since they haven't been plowing the roads... And it really killed my mileage.

One of them truckless bastards.
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post #9 of 20 (permalink) Old 10-23-2010, 04:20 AM
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Re: winter driving! mpgs

where do you live??? you have snow already?

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post #10 of 20 (permalink) Old 10-23-2010, 01:56 PM
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Re: winter driving! mpgs

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Originally Posted by Dudley Glass View Post
where do you live??? you have snow already?
*Points to top right corner of post*

√Ölesund - Wikipedia, the free encyclopedia

Anyway, it probably won't last much into next week.. I think, looks like it's melting a bit already. We usually don't get much snow until December, and usually it doesn't get real cold or snowy until January, but we'll see how this year turns out. Got a decent 8 or so inches.

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