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2.93 MPG Increase

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Old Mar 17, 2006 | 07:15 PM
  #1  
perky79411's Avatar
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2.93 MPG Increase

Hello. new to this forum.
Have read alot of pros and cons about electric fans and throttle body add on's.

Here's what has made the differance so far.
1996 F-250 4x4 auto trans 5.8 4.10 rear with air, stock exhaust (96,600 on the odometer)

Ditched the OEM clutch fan assembly, for a Permacool Cool pack (jegs "077119510)

Ditched the OEM throttle body, for a BKK Dual 56 MM (Jegs #01293501)

I've owned this vehicle since it was new, and could actually watch the gauge move with the constant 12.4 mpg I was getting. Now Im pleasantly surprised at the increase. (last computation 15.33)

Next upgrade Ford performance Headers, High Flow Cats, to true dual outs.

Cheers!!
 

Last edited by perky79411; Mar 17, 2006 at 07:23 PM.
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Old Mar 17, 2006 | 08:02 PM
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is that city or highway or combined?

what about the people with the same or similar setup who swear they get 20 or more?

your mpg seems about right for this setup.
 
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Old Mar 17, 2006 | 08:13 PM
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guicklook2
15.33 represents combined city highway, looking forward to 20 mph with further upgrades.
Current upgrade has made vehicle quieter, idle smoother and seems to have better torque.
 
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Old Mar 17, 2006 | 08:44 PM
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when i got out of the Corps I had a 86 Mustang GT Conv. we drove it home from camp Pendleton Ca. to Manchester Tn a rock solid 26.4 mpg and that was a 5.0 H.O. it had an A/C delete kit jegs bbk long tube headers bbk x pipe 2 1\2 '' flow master gt40 series ele perma cool fan, and a comp blaster intake plinum where and how did i get that good gas mpg help of tamrack tko t-56 6 spd and ford racing 355 gears it would run high 10's in the 1\4 and suck down more then a gal of fule going 121MPH or 26 miles when you are crusing the interstate at 65
 
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Old Mar 17, 2006 | 09:06 PM
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and this compares to f150 mileage, how?
 
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Old Mar 17, 2006 | 09:58 PM
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That's not bad for having 4.10 gear in the rear! I get about 15 with my 3.55, but could use a little bit of tuning to squeak out a little more mileage.

Ryan
 
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Old Mar 17, 2006 | 11:28 PM
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I'd be willing to bet that the upgrades cost more than the money saved from the mpg increase. Smart, regular maintenance seems to do the trick just fine.
 
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Old Mar 18, 2006 | 05:47 AM
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Your probably right, however I'm happy with the increase in mph. Pay everyday at the pump, or every 3 days.
Trying different aftermarket options keeps the creative juices flowing.
Anyway, I'd just wanted to share an experience with the group.
 
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Old Mar 18, 2006 | 05:55 AM
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Someone always has to rain on your parade.
 
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Old Mar 18, 2006 | 11:04 AM
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yeah but itll catch up over time of course. do you think any company is going to sell something to make you money? no
 
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Old Mar 18, 2006 | 01:36 PM
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Originally Posted by perky79411
Hello. new to this forum.
Have read alot of pros and cons about electric fans and throttle body add on's.
Ditched the OEM clutch fan assembly, for a Permacool Cool pack (jegs "077119510)
Interested in your findings. I wanted to do the electric fan switch out myself to take advantage of the HP and mileage improvement but was hearing they don't provide enough airflow when towing. The Flex-a-lite #295 set-up only moved 4500cfm. Had basically given up on the idea since I have a 2600# camper and tow a small boat or utility trailer with quads. Great to see the Perma-cool 19510 has the 5900cfm. I might have to reconsider.
Have you done any heavy towing with this set-up?
How'd it work out?
Any feedback for a fellow enthusiast would be great.
 
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Old Mar 18, 2006 | 04:26 PM
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Don't expect much more than 15 MPG's AVG from any truck. I've been watching this forum for a few years now, and I don't think anyone can top that figure. Thousands of people have given theories on how to improve MPG's here, and there are some good tips and advice here, like the electric fans, but the same problem exists...how to move 4500 pounds down the road with the least amount of fuel ( and pass emissions, and keep it running right)
You may get 20 MPG's while on a long trip, unloaded, with the breeze at your back; but most trucks avg 12 to 14 MPG's when the trucks are used as daily drivers, i.e. short trips 10 to 20 miles, then cooled off, restarted and turned back home.
Be very careful when reporting your actual MPG's, the mileage per gallon is very dependent on the type of driving you are doing, short trips (less than 5 miles) will definetly lower your overall MPG's, but if you drive long distances and are facing less stop and go traffic you're likely to have good numbers.
 

Last edited by 924x2150; Mar 18, 2006 at 04:32 PM.
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Old Mar 18, 2006 | 06:29 PM
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NO WAY that Mustang ran high 10's in the quarter mile and you drove it cross country with that mileage!!
 
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Old Mar 18, 2006 | 07:20 PM
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I used to have a 1994 Cadillac Seville that ran 15s and it got 22mpg. That was a sweet set up.
 
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Old Mar 18, 2006 | 11:31 PM
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Originally Posted by 924x2150
Don't expect much more than 15 MPG's AVG from any truck. I've been watching this forum for a few years now, and I don't think anyone can top that figure. Thousands of people have given theories on how to improve MPG's here, and there are some good tips and advice here, like the electric fans, but the same problem exists...how to move 4500 pounds down the road with the least amount of fuel ( and pass emissions, and keep it running right)
You may get 20 MPG's while on a long trip, unloaded, with the breeze at your back; but most trucks avg 12 to 14 MPG's when the trucks are used as daily drivers, i.e. short trips 10 to 20 miles, then cooled off, restarted and turned back home.
Be very careful when reporting your actual MPG's, the mileage per gallon is very dependent on the type of driving you are doing, short trips (less than 5 miles) will definitely lower your overall MPG's, but if you drive long distances and are facing less stop and go traffic you're likely to have good numbers.
I will second that. Even the newer trucks dont often get much better economy than that.

Mixed driving my 99 ford 4x4 (4.6 and 5 speed) and my 99 and 2000 Chevy's (5.3's and auto's) all get about 15. On the freeway they are all capable of 19-20mpg in the right conditions.

A few trucks might average a bit more, some a bit less. Heck even my old 98 s-10 zr2 would only do about 14 in town and 17 on the freeway.
 
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