I would love to post my mileage on this trip yesterday from Chicago to Melbourne Fl but my calculations are off.
I divided the replacement gallons by mileage at each top off and I get 16’ and 17’s which I know is wrong. Especially cruising at 75mph.
The only thing I can think of is that after the gas spicket clicks off I squeeze more gas in until it clicks off again. I can get between 4/10’s 8/10’s more.
The best way I have found to do long trips is total mileage and total gas replaced for the trip (including fill-up when I get there)
I have found that there are to many variables in each leg of the trip but it all washes out in the average for the whole trip.
FYI: my old truck (02 XLT 4.6 2x4 expedition) when it clicked the gas pump off I could get another 8 gallons in by slow filling.
The tanks are 30 gallons when on empty you should be able to get close to 30 gallons in. (I have got 29.7 gallons in before miles to go was at 0 for over 15 miles) Trying to get to the cheaper gas in SC on I95 boy was I puckered but it is nice to know on level terrain I can go that far.
On my present truck (02 EB 5.4 4x4) I get an extra 3 gallons in after the pump clicks off.
And before any of you click off on that messes up your EVAP system, your probably right my truck is special. I do it at every fill-up because that is the way I check my mileage.
My MPG stays in the 14-15 range and I am heavy footed driver 87 octane never run premium never use boosters, foam or any additives.
If you hate going to get gas or want to get a little farther between fill-up's try this when the pump clicks off look at the gallons and tenths. slow fill (barely have the pump on) until you fill it up to the top(you can see gas in the top of tube). Note: pump will keep clicking off during this prosses. If you get in another 3.4 gallons in you know you can put another 3 gallons in all the time. or at least that is what I do every fill-up and never had any problems with EVAP system.
