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Destination Unknown 05-05-2021 11:07 AM

Triton v10 Fuel Economy !
 
Ok we know a strange thing to ask and all depends on how its driven ect. But can we ask.

As we are in the UK and our 1999 Bounder 34J has been converted to run on LPG as well as Petrol, she is 9.5 ish ton and we flat tow a small car .

What if actually ran on Petrol only would we get per gallon. We know our gallon is different to USA gallon, but would like a rough ball figure.


As said we run on LPG which equivalent to a gallon of petrol, we get14/15.

Thank you

Podivin 05-05-2021 11:12 AM

Somewhere in the 7-9 mpg range. Using U.S. measurements.
Is your 14-15 miles or kilometers?

Charles L 05-05-2021 11:58 AM

If you were in the USA I would say between 7-8 MPG measurements. I average about 8 mpg in my class C towing a Jeep GC 4800 pounds.

l1v3fr33ord1 05-05-2021 01:29 PM

Destination Unknown-

I've been getting 7 miles per U.S. gallon, in flat country with a mix of speeds, but mostly at 62 miles per hour. I tow a 2,800-pound car.

Did you convert the Bounder to left-hand drive? If not, it must be interesting to drive, especially through the roundabouts.

Destination Unknown 05-05-2021 03:08 PM

Quote:

Originally Posted by l1v3fr33ord1 (Post 5739291)
Destination Unknown-

I've been getting 7 miles per U.S. gallon, in flat country with a mix of speeds, but mostly at 62 miles per hour. I tow a 2,800-pound car.

Did you convert the Bounder to left-hand drive? If not, it must be interesting to drive, especially through the roundabouts.


Thank you for reply.

And Yes she is still Left Hand Drive, original USA spec. Must say many say How do you manage on the small roads in UK, as in USA the roads are bigger.. But as we have been to USA and will be back to find a nice B or C class to do 6 month travels once the Lurgie has settled down. USA roads are just the same width, just more of them.
Also if a refuse truck can get down them, then we can.
12 years travels in UK and Europe and not found a road to small to stop us...But a couple of seat of pants ones ?.

Destination Unknown 05-05-2021 03:10 PM

Quote:

Originally Posted by Charles L (Post 5739187)
If you were in the USA I would say between 7-8 MPG measurements. I average about 8 mpg in my class C towing a Jeep GC 4800 pounds.


Thank you.

Thought about 7 to 8 on the v10. As we will be looking for a B or C class for extended trips in USA, are the Chevy v8s any better on fuel.

computerguy 05-06-2021 06:44 AM

With my data you get details. No doubts, no guesses, no "abouts".
I have a spreadsheet and track all the details including adjusting for generator use. Highways I do 62 mph. I do have an engine tune installed.
'16 v10 25,948 lbs class A with towed.
26,024 miles all across the USA

6.3 mpg average after 5.5 years (bought Sept. 2015)

Destination Unknown 05-06-2021 12:04 PM

Quote:

Originally Posted by computerguy (Post 5740100)
With my data you get details. No doubts, no guesses, no "abouts".
I have a spreadsheet and track all the details including adjusting for generator use. Highways I do 62 mph. I do have an engine tune installed.
'16 v10 25,948 lbs class A with towed.
26,024 miles all across the USA

6.3 mpg average after 5.5 years (bought Sept. 2015)

Thank you.
Atleast we know what to expect if ever run petrol only. Think we will run LPG a bit longer as long as the numbers stack up. As said we get 14 equivalent to a gallon of petrol , this is all running, flat, motorways, up and down hills.

Gary RVRoamer 05-06-2021 01:08 PM

Quote:

are the Chevy v8s any better on fuel.
No. The horsepower is about the same and the number of cylinders that produce it makes no difference. The big Chevy V8 is actually a larger engine - 8.1L vs 6.8L for the V10. The 6.0L V8 is also about the same for the 360 hp it produces.

Bill Gail 05-06-2021 05:58 PM

A gallon of Propane has 27% less energy then a gallon of Gas ( Petrol ) .

There is no way that propane will get the same mpg as gasoline .

On the negative side , considerably more propane will be consumed than gas for the same amount of distance driven.

On the positive side , the vehicle will run cleaner .

buzz57 05-06-2021 11:23 PM

IF and a big IF you do get those mileages you won the lottery. I have the 99 southwind 35'. When I travel south towing the suv I get 7-7.2MAX mpg. That is nat 105KM/hr or about 65mph. Propane , cleaner , and if you are content with the performance ENJOY IT! My F150gets less mpg than your mh, I average 17l/100km.

Destination Unknown 05-07-2021 04:16 PM

Quote:

Originally Posted by Bill Gail (Post 5741014)
A gallon of Propane has 27% less energy then a gallon of Gas ( Petrol ) .

There is no way that propane will get the same mpg as gasoline .

On the negative side , considerably more propane will be consumed than gas for the same amount of distance driven.

On the positive side , the vehicle will run cleaner .



Thank you for reply.
As we said in posts, We get 14 equivalent to a gallon of petrol. Which is actually 9 ltrs of LPG. LPG varies from half the price to two thirds the cost of a litre of petrol in UK.

Bill Gail 05-10-2021 07:36 PM

Quote:

Originally Posted by Destination Unknown (Post 5742153)
Thank you for reply.
As we said in posts, We get 14 equivalent to a gallon of petrol. Which is actually 9 ltrs of LPG. LPG varies from half the price to two thirds the cost of a litre of petrol in UK.


So ,

- 14km equals 8.6mi.

- 3.8 liters equals 1 gallon of petrol.

As I read your post , you are burning 9 liters of LPG to go 14km .

That converts to 8.6 miles per 2+ gallons of petrol .

It appears on LPG you are getting approximately 4.25 mpg .

Cost wise , as long as LPG costs less than half the cost of petrol you might break even on fuel cost but burn a lot more fuel in the process .

Please correct me if I have misunderstood the numbers.

Hittntheroad 05-10-2021 07:46 PM

Triton V10 and economy in the same sentence! Lol

Destination Unknown 05-11-2021 04:28 AM

Quote:

Originally Posted by Bill Gail (Post 5746483)
So ,

- 14km equals 8.6mi.

- 3.8 liters equals 1 gallon of petrol.

As I read your post , you are burning 9 liters of LPG to go 14km .

That converts to 8.6 miles per 2+ gallons of petrol .

It appears on LPG you are getting approximately 4.25 mpg .

Cost wise , as long as LPG costs less than half the cost of petrol you might break even on fuel cost but burn a lot more fuel in the process .

Please correct me if I have misunderstood the numbers.



We are in Miles in UK. In UK a Gallon is 4.5ltrs

Ok try and make it easier and should of added to post as might of stopped any confusion.

UK petrol costs per Litre is around 1.20 upwards
LPG costs per litre is around 0.60 upwards

So a Gallon of petrol 4.5ltrs, equates to 9 ltrs of Lpg rough same cost.

So if we travel 7/8 miles on a gallon of petrol , On Lpg same cost we can travel 14 miles.

In theory we save cost of a gallon of petrol. ??.

Bill Gail 05-11-2021 11:50 AM

Quote:

Originally Posted by Destination Unknown (Post 5746782)
We are in Miles in UK. In UK a Gallon is 4.5ltrs

Ok try and make it easier and should of added to post as might of stopped any confusion.

UK petrol costs per Litre is around 1.20 upwards
LPG costs per litre is around 0.60 upwards

So a Gallon of petrol 4.5ltrs, equates to 9 ltrs of Lpg rough same cost.

So if we travel 7/8 miles on a gallon of petrol , On Lpg same cost we can travel 14 miles.

In theory we save cost of a gallon of petrol. ??.


Thank you for the clarification .

Here in the States our petrol and propane costs per gallon are similar .

Propane National average $2.50 - $3.50 gal.

Gasoline National average $2.85 gal. regular.

For this reason on this side of the pond you don't see many propane fueled RV's.

Haven't driven much in England except for London . Have driven extensively through Ireland . Have found your Expressways to be a joy to drive on . However , the secondary roads are a real adventure but worth it for the amazing scenery.

Destination Unknown 05-12-2021 03:57 PM

Quote:

Originally Posted by Bill Gail (Post 5747357)
Thank you for the clarification .

Here in the States our petrol and propane costs per gallon are similar .

Propane National average $2.50 - $3.50 gal.

Gasoline National average $2.85 gal. regular.

For this reason on this side of the pond you don't see many propane fueled RV's.

Haven't driven much in England except for London . Have driven extensively through Ireland . Have found your Expressways to be a joy to drive on . However , the secondary roads are a real adventure but worth it for the amazing scenery.


Thanks. Glad we got the technical sorted.

We try to avoid Motorways (Expressways I think). Use the smaller roads as you say better scenery, and we are not in a hurry to get anywhere.
Lived in the Rv for 14 years now and love the life. Rent out our property's which helps our life style. We normally spend 6 months each year ( before the Lurgie spoilt it) in Australia where we have a Rv there so can travel around.

Next few years hoping to get back to USA, buy a Rv and again do 6 month stints exploring.

udid 05-16-2021 09:36 PM

Quote:

Originally Posted by Destination Unknown (Post 5739410)
Thank you.

Thought about 7 to 8 on the v10. As we will be looking for a B or C class for extended trips in USA, are the Chevy v8s any better on fuel.


Give you an idea (My latest trip)

Renton, Wa. - Sedona, Az

Total miles - 3099 (US) miles

Total days - 18 (Dec 21, 2020 - Jan 7, 2021)

Total oil consumed - ~ 1/2qt (454 TBI 7.4L w/4L80E) 1994 Fleetwood Southwind Storm 28ft (using Valvoline full synthetic 10w-30)

Total fuel cost - $1008.XX (Lowest price paid for gas was $1.75 per gallon just outside of Laughlin.) That was end of Dec 2020

Odometer on RV currently - 68,295

MPG - low of 7.77mpg and a high of 9.70mpg

High MPG was between Livermore, Ca. and Bakersfield, Ca. On the overall trip I hit the 9.XX range (3) times. After Sedona, Az. I headed south and skirted Phoenix then onto Huntington Beach, Ca. (real home). There for a few days then headed north back to Renton (home away from real home).


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