Fuel tank range question - Page 4 - 2014+ Jeep Cherokee Forums
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post #31 of 34 (permalink) Old 05-03-2017, 02:47 PM
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I always stop at the first click. Once I hit about 10 gallons, I fill at about half speed so I know the first click is full. As far as full tank mileage, no clue, don't pay attention to it. I do however average low 20's, all city and nothing over 60 mph.

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post #32 of 34 (permalink) Old 05-03-2017, 02:55 PM
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Originally Posted by Jeepster1 View Post
Thanks
Actually that is very good news in that 9th is actually used at around 84 mph in a sustained manner. So it is designed to work and does work.
Now all FCA has to do is figure out how to get it working earlier so as to avoid that mpg drop at 70 mpg plus.
That was very useful information.
"I'm sorry, Officer. I was speeding because I was trying to save fuel."




While we're on the subject of fuel range, I had a hypothetical idea of creating an auxillary fuel tank inside the Cherokee (I would likely never do such a thing). Basically, I borrowed this idea from those trans-continental runs from NYC to LA (You know, back when it was called the Cannonball Run?) where you'll have people put in an extra aux tank or two, so they can have a tremendous range so they don't have to stop for fuel as often.

So while I was on this subject, I did some rough calculations for a hypothetical fuel tank in the Cherokee where the spare tire would normally be sitting. It came out to around 29 gallons (based on the size of a full size Trailhawk spare wheel & tire of 245/65/17) if you were to be flush with the floor. So basically, you'd be almost tripling the amount of fuel you could hold, and if you were careful on the throttle (probably even, you could theoretically get a range of over 1000 miles.

Again though, hypothetical, but interesting to think about, and likely not as simple as it might seem. Certainly though, a Jeep Cherokee KL is not exactly the ideal car for a record-breaking trans-continental run from NYC to LA.

No need to carry those darn jerry cans anymore though.

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post #33 of 34 (permalink) Old 05-03-2017, 06:37 PM
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Quote:
Originally Posted by Shoulder View Post
"I'm sorry, Officer. I was speeding because I was trying to save fuel."




While we're on the subject of fuel range, I had a hypothetical idea of creating an auxillary fuel tank inside the Cherokee (I would likely never do such a thing). Basically, I borrowed this idea from those trans-continental runs from NYC to LA (You know, back when it was called the Cannonball Run?) where you'll have people put in an extra aux tank or two, so they can have a tremendous range so they don't have to stop for fuel as often.

So while I was on this subject, I did some rough calculations for a hypothetical fuel tank in the Cherokee where the spare tire would normally be sitting. It came out to around 29 gallons (based on the size of a full size Trailhawk spare wheel & tire of 245/65/17) if you were to be flush with the floor. So basically, you'd be almost tripling the amount of fuel you could hold, and if you were careful on the throttle (probably even, you could theoretically get a range of over 1000 miles.

Again though, hypothetical, but interesting to think about, and likely not as simple as it might seem. Certainly though, a Jeep Cherokee KL is not exactly the ideal car for a record-breaking trans-continental run from NYC to LA.

No need to carry those darn jerry cans anymore though.
****, I'd be happy with another 5 gallons or so.

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post #34 of 34 (permalink) Old 05-04-2017, 09:17 AM
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Quote:
Originally Posted by Shoulder View Post
"I'm sorry, Officer. I was speeding because I was trying to save fuel."




While we're on the subject of fuel range, I had a hypothetical idea of creating an auxillary fuel tank inside the Cherokee (I would likely never do such a thing). Basically, I borrowed this idea from those trans-continental runs from NYC to LA (You know, back when it was called the Cannonball Run?) where you'll have people put in an extra aux tank or two, so they can have a tremendous range so they don't have to stop for fuel as often.

So while I was on this subject, I did some rough calculations for a hypothetical fuel tank in the Cherokee where the spare tire would normally be sitting. It came out to around 29 gallons (based on the size of a full size Trailhawk spare wheel & tire of 245/65/17) if you were to be flush with the floor. So basically, you'd be almost tripling the amount of fuel you could hold, and if you were careful on the throttle (probably even, you could theoretically get a range of over 1000 miles.

Again though, hypothetical, but interesting to think about, and likely not as simple as it might seem. Certainly though, a Jeep Cherokee KL is not exactly the ideal car for a record-breaking trans-continental run from NYC to LA.

No need to carry those darn jerry cans anymore though.
Yes, but with all that extra fuel you would have to downgrade the MPG a bit into the calculations.
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