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 > 6.0,, 6 speed, tow haul towing

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ksss

Eastern Idaho

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Posted: 05/08/12 06:08pm Link  |  Print  |  Notify Moderator

If I can average 16 plus mpg out of 2500HD with a 6.0 I am feeling pretty good about that. Its too bad it takes nonethanol gas to make that happen.


2006 GMC 3500 CC 4X4 D/A
2013 Fuzion 342
2011 RZR Desert Tan
2012 Sea Doo GTX 155
2005 GMC 5500 CC 4X4 D/A
2012 Chevy 2500HD 4X4 6.0 3.73


t?m

Ohio

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Posted: 05/09/12 07:24am Link  |  Print  |  Notify Moderator

Mitchellg wrote:


Tried running 93 octane. Over the last tank of gas I averaged 14.46mpg. That's odo mileage divided by gallons to fill up. That's almost a 2gallon MPG bump for right at 20 cents a gallon. I was getting 12-13mpg.

Doesn't make it worth it. Going to try out the 93oct while towing and see how it does.


Figuring the extra miles your driving with the better mpg it is going to be about a 2 dollar savings per tank. That is what I figured. I just filled up with 87 and will run a few tanks with it to see how it does and confirm the mpg increase with premium.

Mitchellg

St.Louis

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Posted: 05/09/12 09:01am Link  |  Print  |  Notify Moderator

t?m wrote:

Mitchellg wrote:


Tried running 93 octane. Over the last tank of gas I averaged 14.46mpg. That's odo mileage divided by gallons to fill up. That's almost a 2gallon MPG bump for right at 20 cents a gallon. I was getting 12-13mpg.

Doesn't make it worth it. Going to try out the 93oct while towing and see how it does.


Figuring the extra miles your driving with the better mpg it is going to be about a 2 dollar savings per tank. That is what I figured. I just filled up with 87 and will run a few tanks with it to see how it does and confirm the mpg increase with premium.


octane 87 93
cost 3.42 3.62
MPG 12 14.5
Cost per mile 3.50877193 4.005524862


Cost per mile is almost 1/2 a cent more with 93 octane. cost per mile is a simple mile per gallon divided by cost.

t?m

Ohio

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Posted: 05/09/12 11:45am Link  |  Print  |  Notify Moderator

Mitchellg wrote:



octane 87 93
cost 3.42 3.62
MPG 12 14.5
Cost per mile 3.50877193 4.005524862


Cost per mile is almost 1/2 a cent more with 93 octane. cost per mile is a simple mile per gallon divided by cost.

Assuming a 32 gallon fill up you will go 80 miles further for an additional cost of around $6.50 for a tankful of premium. 80 miles is equal to 5.5 gallons of gas which costs ~$19 so you are ahead buying premium.

hawkeye-08

Northwest

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Posted: 05/09/12 12:33pm Link  |  Print  |  Notify Moderator

Mitchellg wrote:

t?m wrote:

Mitchellg wrote:


Tried running 93 octane. Over the last tank of gas I averaged 14.46mpg. That's odo mileage divided by gallons to fill up. That's almost a 2gallon MPG bump for right at 20 cents a gallon. I was getting 12-13mpg.

Doesn't make it worth it. Going to try out the 93oct while towing and see how it does.


Figuring the extra miles your driving with the better mpg it is going to be about a 2 dollar savings per tank. That is what I figured. I just filled up with 87 and will run a few tanks with it to see how it does and confirm the mpg increase with premium.


octane 87 93
cost 3.42 3.62
MPG 12 14.5
Cost per mile 3.50877193 4.005524862


Cost per mile is almost 1/2 a cent more with 93 octane. cost per mile is a simple mile per gallon divided by cost.


I must be doing something wrong with the numbers... I get different results using your numbers.

Price $3.42 $3.62
mpg 12 14.5

per mile $0.2850 $0.2497

Looks like about 3.5 cents cheaper per mile for the premium ($0.0353)

Tom_Diane

Iowa

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Posted: 05/09/12 01:47pm Link  |  Print  |  Notify Moderator

Mitchellg wrote:

270wsmhunter wrote:

Mitchellg: It might be hard to believe but it's true. I ran only a few tanks of ethanol blend (MN fuel) before switching over to running 91 octane non-ethanol. Really makes a difference. I'm not sure when I can get down to St. Louis but I suppose we can meet in between sometime at a campground and I'd even share that bottle with any and all who would like to partake.



Can't buy any ethanol free gas in St.Louis. It's actually illegal in St.Louis county.

Tried running 93 octane. Over the last tank of gas I averaged 14.46mpg. That's odo mileage divided by gallons to fill up. That's almost a 2gallon MPG bump for right at 20 cents a gallon. I was getting 12-13mpg.

Doesn't make it worth it. Going to try out the 93oct while towing and see how it does.
I know a nice camp ground right in the middle of Iowa that we could all meet after Aug. 6 and share that bottle. I am going to try the higher octane in my 08 2500hd on the trip to Kansas in late July and see what happens. Heck I might even have an extra bottle and some ribs to throw on the smoker with some JD dipping sauce. Im getting 12-13 mpg now with ethanol Just solo. If what is being said is true,I might see 12-13 towing. Im not complaining, its a nice puller.

Mitchellg

St.Louis

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Posted: 05/10/12 07:11am Link  |  Print  |  Notify Moderator

Tom_Diane wrote:

Mitchellg wrote:

270wsmhunter wrote:

Mitchellg: It might be hard to believe but it's true. I ran only a few tanks of ethanol blend (MN fuel) before switching over to running 91 octane non-ethanol. Really makes a difference. I'm not sure when I can get down to St. Louis but I suppose we can meet in between sometime at a campground and I'd even share that bottle with any and all who would like to partake.



Can't buy any ethanol free gas in St.Louis. It's actually illegal in St.Louis county.

Tried running 93 octane. Over the last tank of gas I averaged 14.46mpg. That's odo mileage divided by gallons to fill up. That's almost a 2gallon MPG bump for right at 20 cents a gallon. I was getting 12-13mpg.

Doesn't make it worth it. Going to try out the 93oct while towing and see how it does.
I know a nice camp ground right in the middle of Iowa that we could all meet after Aug. 6 and share that bottle. I am going to try the higher octane in my 08 2500hd on the trip to Kansas in late July and see what happens. Heck I might even have an extra bottle and some ribs to throw on the smoker with some JD dipping sauce. Im getting 12-13 mpg now with ethanol Just solo. If what is being said is true,I might see 12-13 towing. Im not complaining, its a nice puller.


I owe you a bottle. I reversed my numbers in my post, damn dyslexia got me again.

Robby9

Oklahoma City

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Posted: 05/10/12 06:19pm Link  |  Print  |  Notify Moderator

I always use non-ethanol 87 octane. I took a 200 mile trip with the cruise control set at 65mph today. Once I got up to speed I reset the onboard computer and got 20.5 mpg. At 75mph I get about 17.5mpg. (2500hd/6.0/3.73/2011)

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