After one year of planning here is my 2wd 2017 STX on 35s
02-13-2019, 09:54 PM
#11
After watching a dozen or so YouTube videos I ended up using painters tape to tape off around the emblems and then added a few layers of newspaper to all surrounding body panels. This would have been much simpler if I could still fit inside of my garage and could have avoided any slight breeze.
Last edited by Tampa-F150; 02-13-2019 at 10:00 PM.
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pdxF150 (02-23-2019)
02-23-2019, 07:43 PM
#12
Member
7" Lift w/ 35's and your getting 20mpg MIXED on a Ecoboost? I was getting that stock, and when I went to a 4" Lift on 35's I'd get 14mpg. Where did i mess up? lol
02-23-2019, 08:00 PM
#13
After 1,500 miles or so I am averaging 16.4 mpg since the lift. This is consisting of mostly 35-45 mph side roads with a lot of start / stops.
Last edited by Tampa-F150; 02-23-2019 at 08:03 PM.
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RubberDuckie (07-21-2019)
02-23-2019, 10:27 PM
#15
Senior Member
02-23-2019, 10:57 PM
#16
I am not sure if I previously mentioned that I have the 2.7l and 3.31 gears? Maybe that has something to do with it? Or the fact that my trip computer could be over estimating? I will manually calculate on my next fill up and ewill report back.
I must have read your build thread 3 times while I was planning my build. You have a very nice truck.
I must have read your build thread 3 times while I was planning my build. You have a very nice truck.
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AricsFX (02-24-2019)
02-23-2019, 11:01 PM
#17
02-23-2019, 11:28 PM
#18
Member
You're still better than mine with 2.7 and 3.55 gears. AND I have a 5Star Economy Tune...smh. When I fill up my gauge reads 275 miles on a tank, but only took 15 gallons so I wonder happens to the other 11 gallons? Boggles the mind.
02-24-2019, 07:45 AM
#19
I am going to fill up today and will report back after 7 -10 days of normal driving with my actual mpg, not the trip computer's mpg.
I am curious if wheel weight plays a factor? The 17" Rotiforms weigh in at 31 pounds each, most 20" wheels are over 40 pounds. 35 inch tires come in at 71 pounds for both 17 and 20 inch diameter. Overall I may be seeing a slight benefit from the 10 pound savings per wheel/tire? After a quick search I found a few threads on various sites where this theory has been tested and people saw a 3 mpg savings from a 10 pound savings per wheel.
Also terrain may play a factor, my truck doesn't see elevation change, I can imagine needing to accelerate over hills would require more downshifting and higher rpms.
I am curious if wheel weight plays a factor? The 17" Rotiforms weigh in at 31 pounds each, most 20" wheels are over 40 pounds. 35 inch tires come in at 71 pounds for both 17 and 20 inch diameter. Overall I may be seeing a slight benefit from the 10 pound savings per wheel/tire? After a quick search I found a few threads on various sites where this theory has been tested and people saw a 3 mpg savings from a 10 pound savings per wheel.
Also terrain may play a factor, my truck doesn't see elevation change, I can imagine needing to accelerate over hills would require more downshifting and higher rpms.
