how much does big oil affect mileage? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 14 (permalink) Old 08-26-2007, 06:31 AM Thread Starter
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how much does big oil affect mileage?

how much would it affect my mileage? i know some injectors increase mileage, but what about the oil system? seems like it would help, since it is helpin the fuel system with better supply of fuel. i can travel up to 800 miles in a week, and fuel mileage is critical. so before i go all out, i want the pros/cons.

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post #2 of 14 (permalink) Old 08-26-2007, 06:39 AM
 
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Re: how much does big oil affect mileage?

Yes, big oil does help fuel economy. Towing I saw 1.5mpg increase consistently, plus it pulls much hard now. It helped my AD's and if you want B codes you'll need the oil. While towing I couldn't make any more HP after 2600-2700 rpm, with big oil it pulls hard until the rev limiter.

The biggest thing I like about big oil is the way it makes the truck drive, the added HP was just a nice side-affect. Besides, the customer service from Joey and Terminator Engineering is second to none. I wish I had done BO much sooner.
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post #3 of 14 (permalink) Old 08-26-2007, 02:27 PM Thread Starter
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Re: how much does big oil affect mileage?

ok thats what i wanted to know. i cant afford the system right now, but once the little baby comes i shoould be able to dump a little $$$ in the truck. plus tellin the wifey it will help me with diesel mileage will be a plus!!

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post #4 of 14 (permalink) Old 08-26-2007, 04:21 PM
 
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Re: how much does big oil affect mileage?

It's not whether you really need it or not, it what the wife THINKS you need I don't drive the truck unloaded enough to know what the MPG would be unloaded, but I'm sure it would be higher based on my towing experience. I think JSM1 was getting pretty decent MPG numbers after big oil, might talk to him as well.
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post #5 of 14 (permalink) Old 08-26-2007, 06:48 PM
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Re: how much does big oil affect mileage?

Yes, John's numbers make me sick. He finds it entertaining to call me while relaxing in his hammock, on the beach, while I'm outside working in the 100+temps. That son of B.............!
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post #6 of 14 (permalink) Old 08-26-2007, 11:32 PM
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Re: how much does big oil affect mileage?

I went from getting around 17 on the hwy to over 40 mpg!

Really I did go from 17 to probably a little over 18 so I think 1 - 1 1/2 mpg is about right.. Joey probably has a little better insight on that.. It is hard to tell sometimes because I can't keep my dang foot out of it, its just too dam much fun.. I toasted a ricemobile yesterday. He thought he was gonna be cute and cut around traffic up to a light where 3 lanes were about to merge to 2 lanes just after the light.. He was mistaken. Perhaps he should have got a clue when he was next to me with his windows down when that first blast of soot filled his car up
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post #7 of 14 (permalink) Old 08-27-2007, 12:09 AM
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Re: how much does big oil affect mileage?

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Originally Posted by TerminatorEngineering View Post
Yes, John's numbers make me sick. He finds it entertaining to call me while relaxing in his hammock, on the beach, while I'm outside working in the 100+temps. That son of B.............!
You forgot about my wife bringing me my iced tea, and my daughter answering my cell phone so you would not disturb my nap.

As for mileage, I would not currently own my truck if it were not for the improvement in mileage and performance that I received with the Terminator HPOS and DP tuner live tuning. I tow almost exclusively with my truck, and my friend tows the exact trailer as I do. He would always get better mileage with his cummins, whether he was towing or unloaded. Towing he was at 11-12 mpg and unloaded at 65 mph he gets 19-20 mph. The best I could get was 11 mpg towing and 18 mpg unloaded if I was lucky and the stars were aligned right. Now I am the first to be skeptical of mileage post, I do not use the overhead and fill the tank till it is full to the top of the neck.

The increase in low end torque and the extension of the power band was truly what I was looking for, the increased mileage was a welcome byproduct. My unloaded mileage has been above 20 mpg at 65 mph and my towing mileage has been 13-14 mpg. Take it for what it is worth, if mileage and torque had not improved I would be driving a new Mega cab right now. I must say it feels great to compare mileage with my friend now. Oh and as a side note Joey said he would never speak to me again if I bought a Dodge.
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post #8 of 14 (permalink) Old 08-27-2007, 04:07 AM
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Re: how much does big oil affect mileage?

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Oh and as a side note Joey said he would never speak to me again if I bought a Dodge.
You remembered!
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post #9 of 14 (permalink) Old 08-27-2007, 01:13 PM
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Re: how much does big oil affect mileage?

My mileage went down when I installed the Terminator. It was no fault of Joey or the HPOS. Blame my right foot. I have no self control and can't resist the power.

First full tank with the Terminator I saw 13 mpg. That was towing for 3/4 of the tank through the Colorado Rockies. Eisenhower pass saw my truck fly by at over 90 mph with a trailer in tow. The last bit of the tank was used up at Bandimere drag racing.

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post #10 of 14 (permalink) Old 08-27-2007, 01:38 PM Thread Starter
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Re: how much does big oil affect mileage?

awesome. that is exactly the responses i was looking for. so it wouldnt be impossible to gain 3 mpg easy with big oil and injectors? 25 mpg is not far away now.

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