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  1. Hi all, I've had my C-Max for about a month now and was loving the MPG - I was typically getting around 42 on most trips. Shorter trips I could commonly pull off 50+. I tried plugging in an Alexa auto to the central console 12v port and found that I was getting significantly less efficient MPG. I unplugged Alexa after a day because I did not think it was worth the sacrifice, but I am still getting lower MPG. I haven't been able to top 40. Since that day, it just seems as though the car is more hesitant to kick into EV as I drive. Am I crazy? Has anyone else experienced issues from having an accessory that is plugged in all the time? Did I do something weird and how can I fix it? Thanks!
  2. Just came across a June 1961 Science and Mechanics magazine (35 cents!) with an article "How Economical IS the Rambler American?" It had the 196 cu. in. flat head 6 with 3 speed manual (didn't have the overdrive option). The fine print test data filled an entire page! Some highlights: General road and weather: "Portland concrete, generally smooth and level", dry, 25 to 45FRegular gas, SAE 20 oil, 2560 curb weight, 24 psi in tires, spark at 4* BTC @ 500 rpm!"True MPG" at 40F, 75% humidity, 29.4 in Hg, 500 pounds "carried weight": 30.7 (20mph), 32.1 (30mph), 28.8 (40mph), 25.4 (50mph), 21.8 (60mph), 17.8 (70mph) They also give "True Ton MPG" figures which are 1.53 times the above ones! Rather bizarre! The ratio obviously comes from the cars total weight (2560+500) divided by 1 ton. Seems quite worthless to me, especially for steady state driving!"Traffic Fuel Consumption" of 17.8 MPG @ average speed of 21.8 MPH"City-County Fuel Consumption" of 24.4 MPG @ average speed of 32.7 MPHOverall mileage was 18.3 MPG and oil consumption was 4000 MPQ! (That compare to our C-Max at 47+ MPG and maybe 100,000 MPQ!)Acceleration was 17.3 sec 0-60 and 20.8 sec 20-60 in 3rd gear! (I think I'll take the C-Max!)Quarter Mile: 65.0 mph, 20.9 sec.Best acceleration 0-60 with driver alone, premium fuel and best spark setting was 15.1 sec! (Sorry Paul, but they were doing this kind of thing 57 years ago!)At 65 mph speedometer read 70 mph! (Holds down on speeding tickets!)Then a bunch of stuff about Lateral Sway, Cornering, Brake Fade, Longitudinal Dip and Parking Brake tests."Chassis Dynamometer Horsepower": 49 HP @ 65.6 mph, 2900 rpmA bunch of other wild stuff like "Average piston speed" and "Power performance factor".Other specifications: 90 HP @ 3800 rpm, 160 ft-lbs @ 1600 rpmCompression 8.0 to 1Minimum road clearance: 7.5" at differential (Isn't that SUV class?)Highest curb doors will clear: 12.9"Highest curb bumper will clear: 9.8" (What's the C-Max? 4 inches?)20 gal gas tank (You'll have to hold it to about 35 mph to get that 600 mile tank!)17.5 cu ft luggage spaceOther standard dimensions and things I've never seen before like windshield and rear window area and "Driver's eye-to-road distance"!Comments from the review: At $1845 (2 door) it was the "lowest of any U.S.-made sedan." (With inflation, this would (supposedly) be $15,550 today.)"King-size wing vent windows"Almost an entire paragraph praising the ashtray! "The ashtray in the American is a masterpiece,""Almost complete absence of gear noise"Limited back seat hiproom; "Makes two in back company, but three a crowd."The engine "has an 8.0:1 compression ratio that should tolerate Regular gasoline most anywhere in this country"Now SnowStorm's first car was a 1964 Rambler American with that same lousy "flat-head" 6 (but I had Overdrive!). Before overhaul, there was so much blow-by that under heavy load the smoke from the oil filler tube would drift up the steering column and come out around the steering wheel! Now you know why I say the C-Max is the best car I've ever had! :lol: So, the "good ol' days" weren't all that good after all.
  3. SnowStorm

    MTE versus MPG

    From the album: SS

  4. I'm wondering why Fuelly.com shows the C-Max averaging about 41 MPG while Fusion Hybrids get 40 MPG average. (That is over many, many owners and thousands of miles of statistical validity. Measurement errors and driving styles/cycles average out over that many.) The EPA combined MPG estimates for the C-max is 40 MPG, and the Fusion gets 42 MPG, about the opposite of what is happening out there. I just include 2015,16, & 17 model years of each since they likely have the same powertrain control optimization algorithms. The Fusion should be doing better since it has an aerodynamic advantage which should translate into about a 5% MPG advantage, or about 2 MPG. The Fusion Hybrid is slipperier with a CD=.27 vs. our C-Max's 0.30, which is due to C-Max's boxier shape. For total drag, which is CDxFrontalAreaxDynamicPressure, the Area is important, and the C-Max has 8% more frontal area. Why isn't the Fusion getting better Fuelly.com averages? EPA says it should. Aerodynamics say it should. Anybody know what's going on here? As many here know, our C-Max has the same powertrain as the Fusion Hybrid. Also, the weight of the two are about the same (within 25 lbs of each other!). Wheels and tires are the same size, unless a Fusion owner has the optional slightly wider tires, still not much difference there though. I assume most Fusion Hybrid owners have the same size tires as C-Max drivers have, 225/50-17. 5 years ago, the C-Max had some controversy and had to downgrade its EPA MPG estimates because Ford had used Fusion's CD to compute road loads on the MPG test procedure, which is obviously wrong since the CD's are different by 10% and frontal area by another 8%. Even more strange is that I consistently get 44 MPG, checked by fuel tank fillups and also the dashboard display (both agree). I guess I do more stop and go driving than average C-Max drivers, which would raise mine over the Fuelly.com average of 41 MPG, yet I think my driving profile actually has a lot of highway-style stuff in there, and I am not easy on the gas pedal either.
  5. ptjones

    LT48.7MPG

    From the album: 2013 C-Max

    4/517 Life Time Score
  6. I'm working on a YouTube video how to drive a CMAX the way Engineers designed it to be driven to get great MPG's. :) It would be interesting to see if I could help a member to improve their MPG's using my tips. PM me if anyone is interested. I hope to have video ready soon. :) I'm currently averaging between 52-55mpg on the FWY. Paul
  7. ptjones

    LT48.6MPG

    From the album: 2013 C-Max

    2/26/17 new Life Time Record 48.6MPG
  8. I have been Posting on CleanMPG.com Link: http://www.cleanmpg.com/community/index.php?threads/46762/ Complaining about a road test comparison done 4 yrs ago (old News I know), but I figured how they could have made the CMAX MPG's look bad by running the ICE all the time. The results were CMAX 35.5 mpg, Prius V 40.7 mpg and Prius 43.3 mpg on HWY trip from Carlsbad, CA to Pheonix, AZ. The thing that got my attn. was the CMAX display showed 359.7 mi. and only 24.1 mi. EV. That is 14% of the time and practically impossible to do. You would have to have a very strong head wind to have the ICE running all the time, and going down hill too. Also they didn't mention the gas mileage coming back. :headscratch: Wayne the Owner of CleanMPG.com suggested I do my own test so I was wondering if anyone would be interested in getting involved in this test.? I will add more to this as I have more time. :) BTW MPGomatic got these results with 14 day road test also 4 years ago.http://www.mpgomatic.com/2012/12/13/2013-ford-c-max-hybrid-gas-mileage-testing-notes/ Paul
  9. Now that I got your attention :) it would appear from Fuelly.com CMAX Average MPG results that alot of CMAX drivers aren't driving their CMAX's the way they were designed to be driven by breaking the 2 Bar Acceleration Rule. :drop: To get the best gas mileage you need to Drive using the Empower Display 2 Bar Power Acceleration Rule where the ICE runs the most efficiently and charges the HVB the fastest. When driving you can use a mild Pulse and Glide strategy by accelerating at 2 BARS to around 5 mph over the speed you want to cruise at then let off of the accelerator for a second to allow EV to engage then back on to maintain speed until HVB SOC gets low enough for ICE to start then accelerate at 2 bars to 5mph over and repeat. :) This is worth atleast 2 MPG's and probably more. :yahoo: BTW covering up the grills is worth another 2-4 mpg. http://fordcmaxhybridforum.com/topic/970-cmax-grill-cover-testing-2-5-mpg-gain It would be nice if members would comment on their results. Happy CMAX Motoring :) Paul
  10. ptjones

    Empower 2bar

    From the album: 2013 C-Max

    Empower Display with brake coach
  11. ptjones

    LT48.5

    From the album: 2013 C-Max

    New Life Time score of 48.5 mpg on 12/4/16
  12. My Hybrid turned into an Energi for a mile and a half, I haven't noticed this before in 140k miles. On Lighthouse quest last weekend stopping in Pompano Beach, FL, my HVB SOC was 67%, surprisingly high and when I got back to MADMAX the HVB SOC had gone up to 76% from cooling down for an hour. When I started out (WT was above 128*F) for our next Lighthouse in Jupiter the speed limit was 35 mph, then 45 mph, always the ICE starts at 35MPH for the initial start up to lubricate the trans. SOC was 62% at 35mph, I had 2.3 Bars and no ICE, accelerated to 45mph still no ICE after about 1.5 miles (about 50% SOC) I had to accelerate onto the HWY and the ICE finally started. I believe I could have gone 2.5 miles on EV if I stayed on 45 mph city roads. :) Still learning new things. :shift: Paul
  13. It has been pretty quiet on the MPG Forum so I thought I would Post this to get some more interest in improving your MPG's, If you aren't in in a hurry, Sight Seeing works great you can get impressive FE. I use State Routes instead of Interstate Highways with speed limits 55-65 mph. When you do Post it on this Forum so others can see how you are doing. :) Started in Newnan, GA and drove to Savannah, GA then up the Coast to Georgetown, SC and then came back, I made it to Monticello, GA before filling up 915.4 miles/ 13.7 gal and 66.1 mpg. I figure I still had .3-.4 gallons(18-24 miles before I would have run out.). GPS actual mileage 931.8 mi./13.7 gal.= 68 mpg. :) I was hoping to do better, but I can't seem to get 70 mpg going 65 - 50MPH, at 50 -35 mph P&G I saw over 80 mpg a few times on segments of the trip. :shift: My wife isn't interested in doing any more trips like that, she said I can go by myself. LOL :sad: And it's been almost two years since my last Record. Paul
  14. I have about reached the limit for AERO and Temperature Efficiency Improvements like Grill Covers and Wheel Covers for my CMAX. With temps in the 80's*F I can average 50-54mpg at 65-70mph with no A/C on the HWY. Not bad, but I'm still looking to improve more. I remembered someone had said the ICE is very inefficient so I looked it up and to my surprise it is only 25-30% at best. WOW :drop: So looking at GOV site and Wikipedia http://www.fueleconomy.gov/feg/atv.shtml https://en.wikipedia.org/wiki/Engine_efficiency From Wikipedia: "Modern gasoline engines have a maximum thermal efficiency of about 25% to 30% when used to power a car. In other words, even when the engine is operating at its point of maximum thermal efficiency, of the total heat energy released by the gasoline consumed, about 70-75% is rejected as heat without being turned into useful work, i.e. turning the crankshaft.[1] Approximately half of this rejected heat is carried away by the exhaust gases, and half passes through the cylinder walls or cylinder head into the engine cooling system, and is passed to the atmosphere via the cooling system radiator.[2] Some of the work generated is also lost as friction, noise, air turbulence, and work used to turn engine equipment and appliances such as water and oil pumps and the electrical generator, leaving only about 25-30% of the energy released by the fuel consumed available to move the vehicle. In the past 3ā€“4 years, GDI (Gasoline Direct Injection) increased the efficiency of the engines equipped with this fueling system up to 35%. Currently, the technology is available in a wide variety of vehicles ranging from less expensive cars produced by Mazda, Ford and Chevrolet to more expensive cars produced by BMW, Mercedes-Benz, and Volkswagen Auto Group." As you can see about 30% of the energy is absorbed by the cooling system from piston, cylinder walls and cylinder head and another 30% goes out the tale pipe. ;) :headscratch: This got me to thinking about using a material that has very low Thermal Conductivity and as it turns out I help to develop STAR21G, a black material with Thermal Conductivity of: 1.25 W/(m K) at 25*C, 160 times lower than Aluminum,34 times lower than Steel. Aluminum: 205 W/m K) at 25*C steel: 43 W/m K) at 25*C Here are the advantages that I can think of.: 1. Potential MPG improvement of two times. 2. Almost instantaneous operating temp, no energy being absorbed by combustion parts and lower pollution. 3. Eliminate the need for a cooling system there by saving the cost for having one, may need oil cooling. 4. Cut pollution in half by using half as much gas for each mile. 5. ICE cars will be cheaper to own and operate then All-electric Cars and create similar amount of air pollution assuming they use coal fired power to charge battery. 6. Hybrids could improve MPG's more if we can use exhaust gases to run a steam engine generator to charge HVB from using exhaust gases. 7. Would increase HP and Torque by a factor of two for the same ICE design. 8. There maybe more advantages and I will add when I or someone else comes up with them. I'm thinking 100 mpg/ 1400mi. on a tank with a CMAX Hybrid on the HWY for 2018. :shift: (Maybe 2K miles with Hypermiling) :yahoo: This isn't a cost effective solution for current CMAX/ICE vehicles, but for Future Hybrid/ICE vehicles this could be a huge improvement in MPG/HP/ Torque and cheaper to make. IMO anyway. I might try to add this to my ICE now that I'm out of warranty if I get the opportunity. (133K mi) :) It would be interesting if I could get someone at FORD interested in my idea otherwise I'm going to put this information out to the Public Outlets and see what happens. I have applied for a patent too. Let me know what you think. :) Paul
  15. Just did a trip to Cape Cod and back (560 miles one way). Filled up in Mystic, CT to the end of Cape Cod (Provincetown) and driving all around the cape for 5 days and headed back. Filled up at the bottom of the cape and was 44.5mpg leaving the cape (Said 607 miles to empty) , didn't quite get that on that tank. it's nice and flat on the Cape and small rolling hills it does well on EV. most of the time it was 40-50MPG for the short trips here and there around the Cape. very happy. However, only got 38.6 mpg just before getting home and filling up, more hills had about 400# extra weight in the car. 0W20 Oil 46 PSI in tires Grille covers bottom and middle on the whole time. (231 Water temp was highest, but i believe louvers open and it drops to 221 approx, highest tranny temp was 173.) outside temps about 50-60F
  16. Well I drove from Newnan,GA to Williams,AZ to drop off my wife at her Mom's. Then drove to SF to go to a Exhibition and then back, 5020 miles, 103.4 gals of Premium, $199.56 Total and 48.6mpg. average for the trip. Not to bad. :yahoo: I could have saved atleast $20 if I used Regular but didn't want to give up the better mpg's. :) Fortunately I almost didn't have any rain( it rained in central CA) and no snow, but the winds where brutal at times with 20-30mph head winds. I had one stretch from ABQ to Tucumcari, NM, about 150 miles I had about 20-30mph tail wind and was averaging almost 60mpg going 65-75mph. After that winds reversed and I was getting in the 30's OUCH! :drop: I still managed somehow to get 51mpg on that tank. If you are interested you can click on my Fuelly icon and see how I did. :) Paul
  17. ptjones

    12016fwy6mi

    From the album: 2013 C-Max

    6 mi. trip from restaurant back to shop on FWY, OT 50*F, SOC 42% start and end, WT got upto 190*F with speed average 65mph.
  18. After using NOS Octane Booster Racing Formula a month ago and five fillups later my HWY FE has increased 2-4 MPG. It doesn't appeared to improve City MPG much. This morning I went to the Atlanta Airport and back on I-85, about 70 miles, Temp 56*F with some light rain. Speeds were between 80mph and 60mph most of the time and averaged close to 56 MPG, then when you add in the loss of 3 mpg from outside temp of 56*F + light rain it just makes it that much more amazing. I'm wondering if the ICE computer learned to run more efficient after using NOS Octane Booster. :headscratch: It would be interesting to see if anyone else can duplicate my HWY MPG improvement by filling up with Premium and adding a bottle of NOS Octane Booster. It is available at Walmart and most Auto Parts Stores for $10-$15. :shift: :) Paul PS My HWY MPG is almost as high as CITY MPG.
  19. WNY

    Nice MPG

    From the album: 2013 Cmax

    Quick trip to the store and back. All EV. :) Don't think I can do any better MPG!
  20. From the album: 2013 Cmax

    Fill up for last leg to Philly. Filled up before the NY border on the way back, 605 Miles to empty! getting better all the time. Avg on gauge is 41.2 :)
  21. "The Enterprise" needs wheel alignment (inside edge wear). Does anyone have the alignment specifications - preferred values and allowed ranges for each parameter both front and rear? What values would give the lowest rolling resistance? Have read that the allowed ranges are not just a "tolerance" but there to allow adjustment for preferred handling characteristics. Would like to have the details before going to the shop. (One F150 owner noted 2 mpg increase after alignment and an Escape owner claimed 4 mpg! Extrapolating to the C-Max should give, maybe, 6 mpg! )
  22. From the album: 2013 C-Max

    MyView Power+Threshold and WT(coolant temp) gauge
  23. Improve your Winter MPG's by 4MPG by Taping up your grills. The strategy here is to minimize heat lose, because the ICE needs to get up to operating temperature(202-212*F) to get the best MPG's. All heat comes from burning gas so the less you use to heat up the ICE the better your MPG's. BTW taping up the front of your car has another benefit of protecting your paint job. Supplies you will need, Heavy Duty clear packing tape,Windex cleaner and car wax. Clean and wax areas to be tape to make it easier to get off. You need to setup your Smart Gauge like this. This is accomplished by toggling down Display menu to MyView then toggling right one step and then toggling down till you get Engage display. Then toggle right one step and then down till you get Temp display. Then hit OK button in the middle to save this, you can monitor MyView for water temperature. Then open hood and tape up intake holes as in the pics below. This keeps cold air from going into the intake of ICE, instead uses warmer air from the engine compartment which helps the ICE warmup sooner. Next close hood and tape up the top grill opening to keep cold air from going into ICE compartment as shown in the picture. Next tape up center grill as shown all the way across the two openings. Do the same thing to the lower grill. You can also tape up hood and head light joints to keep cold out. EASY! If you don't like it you can pretty easily take it back off. Good Luck :)Paul
  24. Just pushed the bar a little higher without running out of gas, sorry Jus. Smart Gauge reads 902.2mi/14.13gal and 63.8mpg then corrected for(New Tires) Odometer error of 1.019%= 918mi.. I put in 13.5gal., second click= 68mpg for the trip. In theory having .4-.5gal. left I could have gone another 25-30mi. before running out or 945-950mi. total. Also 72% EV, 28% ICE. My Wife and I decided go someplace Warm after Xmas, Florida didn't disappoint with temps in the 70's-low 80's to look at Lighthouses for fun. It turned out to be harder than I figured but that's another story. To get ready for the trip I set up MADMAX with everything I could think of to improve MPG's like 50PSI tire pressure, installed New Upper Grill Cover along with Center and lower Grill Covers. Also Wheel Covers, GasPods, covered Fog Lights and taped seems around hood, Lights and Grill Covers with clear packing tape to minimize heat lose. You get your best MPG's when WT is above 200*F which I monitor with my ScanGaugeII. I topped off my tank with eight gallons ethanol free gas plus 2gallon gas can if I needed it, I didn't. Started trip Dec. 26th and it took 4 days to go the 900+ miles. The first day temps in Newnan,GA were 35*F when we left and it took about a hour to get the WT up 200*F with speeds between 35-55mph on State Routes and about three hours before I could get my average to 60mpg when temps got up to the 50's. After 10 hours I was up to 67.4mpg so things I thought were looking promising. Second day I lost .5mpg right of the bat because of warm up of ICE, couldn't plugin ICE heaters on the trip. Then made a wrong turn and ended up on I-95 for 15mi. with speeds up to 77mph, lost another .5mpg. St. Augustine was having a Party and got stuck in gridlock for 2.5 hours and only lost another .5mpg. Third day started at 66mpg and by the end of the day I was down to 65mpg average, because of head winds. Forth day we had rain so we lost another 1MPG so I thought from looking at the not so Smart Gauge being off by .6 gallons and I went at least 50 miles pass 0m to E expecting to run out at any time for the last 30miles. It looks like I could have gone another 20-30miles. I still think it is possible to go a thousand miles on at tank, but everything would have to go your way to do it. It looks like if traffic and weather conditions had cooperated I could gotten around 970-980miles, getting very close. :yahoo: Paul
  25. ptjones

    highspeedMPGSmartG

    From the album: 2013 C-Max

    Smart Gauge shows 49.4MPG and average speed of 64.7mph, but included time during two stops. Garmin shows actual moving speed and actual distance traveled.
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