Jack Posted February 5, 2007 Share Posted February 5, 2007 Guys - is there anyway/where we owners can get together and get an answer on what our GMC's do to the Gallon. I was thinking along the lines of doing something scientific like all of us put one gallon in our tanks and then we all drive off and then see who runs out where and then measure it. Any thoughts? Cheers Jack. Quote Link to comment Share on other sites More sharing options...
Bodge Deep Posted February 5, 2007 Share Posted February 5, 2007 Praps a better variation would be syphon a gallon into a jerrycan and take a line from the can to the pump as running your tank empty will drain your lines and no doubt dredge up the bits of crud from the bottom of your tank & bugger up the filters... just a thought Quote Link to comment Share on other sites More sharing options...
Bodge Deep Posted February 5, 2007 Share Posted February 5, 2007 ...or stand in front of your jimmy with you left hand on the radiator grille and stretch out your right hand as far as you can reach in front of your truck... ... that far :computerterror: :-D Quote Link to comment Share on other sites More sharing options...
Chappers Posted February 5, 2007 Share Posted February 5, 2007 Fill your tank to the top,drive around for about 15 miles then return to the petrol station and refill,you'll be able to tell what it's cost and how much you've used to travel 15 miles. Mind you it's an expensive exercise when a Jimmy tank holds about 50 gallons :roll: :schocked: But a least you'll be able to drive to the Midlands to meet up with all of us Brummies :-D :-D Quote Link to comment Share on other sites More sharing options...
Jack Posted February 5, 2007 Author Share Posted February 5, 2007 That is a good idea actually Steve - my jimmy is about 25-30 gallon tank :? Quote Link to comment Share on other sites More sharing options...
Mark Posted February 5, 2007 Share Posted February 5, 2007 SCRAP all Jimyy's, thats my suggetion they are too old anyway and a waste of fuel :evil: Quote Link to comment Share on other sites More sharing options...
Jack Posted February 5, 2007 Author Share Posted February 5, 2007 SCRAP all Jimyy's, thats my suggetion they are too old anyway and a waste of fuel :evil: Sorry but the above will be removed as that is highly offence to a superior truck and to superior owners and drivers. Quote Link to comment Share on other sites More sharing options...
whistlinwolf Posted February 6, 2007 Share Posted February 6, 2007 Its at this point that you need to see about having certain members keel hauled Jack !! :-D Or should it be chassis hauled ? Quote Link to comment Share on other sites More sharing options...
Mark Posted February 6, 2007 Share Posted February 6, 2007 :yawn2: Quote Link to comment Share on other sites More sharing options...
M5Clive Posted February 6, 2007 Share Posted February 6, 2007 Have owned 5 Jimmy's and a Dukw since about 1991, short, long, hard, soft and the last one, pictured to the left with a maxson turret and 4 x .50 cals in the back! I always worked on a average of 7-8 mpg, but more like 5-6 with the Dukw - that was a heavy old girl to haul around on a standard GMC 270 engine, particularly when it came to the hills of Wiltshire! I could never really tell much difference with the trucks with or without a Ben Hur Trailer on the back. But seriously, it does make a difference where you live. Since I have been in the Suffolk flatlands, my Dodge WC-56 does loads more mpg than when it was in Wiltshire, but then again, within 1/2 mile of leaving the house I'm in top gear and don't change down again until I get home! Where you live Jack at the bottom of that valley, I think you better enquire about some sponsorship from Shell.... :-o Cds Quote Link to comment Share on other sites More sharing options...
berni Posted February 7, 2007 Share Posted February 7, 2007 we started in stonehouse in glos'shire & drove to Beltring-did the red ball run & drove home again. we started with a full tank & put 1 jerry can in when we got to Beltring but still had fuel left when we got home, which was enough to get us to another show.we didn't really need to add the jerry can but was the first time we did the journey so thought we would be cautious. i though we did fantastic Berni Quote Link to comment Share on other sites More sharing options...
mick garner Posted February 18, 2007 Share Posted February 18, 2007 I'm surprised you say 7-8 mpg, thats about what my Ferret does and I know that the Jimmy was much more economical than what that was, I figured it did about 10-12mpg. May the debate continue... Quote Link to comment Share on other sites More sharing options...
Karoshi Posted February 18, 2007 Share Posted February 18, 2007 Over two seasons running, towing and low gear parade driving, I've returned an average of 10.7 mpg. On a tank to tank refill I've achieved 12.9 mpg. No I dont coast down all the hills. The trick is in the gearbox...use it. Quote Link to comment Share on other sites More sharing options...
Jack Posted February 18, 2007 Author Share Posted February 18, 2007 I figured it did about 10-12mpg. May the debate continue... I am pretty much agree with you there Mick, I also would say that it also depends on what speed you are travelling at ?! Anything above 32 mph and my old girl starts to let you know that she ain't happy. As Clive said, I also live in an area full of the flipping hills and that would be no why I would even think about coasting a truck down a hill :-o Quote Link to comment Share on other sites More sharing options...
mick garner Posted February 18, 2007 Share Posted February 18, 2007 Well obviously its not good for you either Jack because with hills you're always going up and down the gears anyway, and as we all know this sucks the petrol up keep on slowing down and then accelerating again. Regards, Mick. Quote Link to comment Share on other sites More sharing options...
M5Clive Posted February 20, 2007 Share Posted February 20, 2007 Talking about costing down the hills, that has got me thinking. One day when I've got the time I will tell you the story of when I completely lost the brakes on my DUKW coming down the long, steep hill in to Marlborough on the A4 from Hungerford. Now that was seriously scary and the old GMC 270 engine up-front was never the same again :cry: Cds Quote Link to comment Share on other sites More sharing options...
Degsy Posted February 20, 2007 Share Posted February 20, 2007 In days gone by Aberdeen overdrive was the cause of many serious truck accidents. Quote Link to comment Share on other sites More sharing options...
abn deuce Posted August 18, 2007 Share Posted August 18, 2007 I ve checked my milage when I first acquired my 1944 CCKW 353h-1 at 5mpg given average road speeds 30 to 45 mph and terrain . of course I have a heavy Jimmy even when empty as its a airborne tipper with winch with an added ring mount .Those good old days of 1 dollar or 1.25 per U.S. gallon , as the price is now 2.56 today to 3.50 recently .Which is I know far less than the estimated almost 10.00 per gallon you are paying across the Pond Quote Link to comment Share on other sites More sharing options...
Degsy Posted August 18, 2007 Share Posted August 18, 2007 SCRAP all Jimyy's, thats my suggetion they are too old anyway and a waste of fuel :evil: Mark, strange what you find when you look back through a topic :schocked: :-D Quote Link to comment Share on other sites More sharing options...
Mark Posted August 18, 2007 Share Posted August 18, 2007 Right Degsy I am having a word with Jack about you snitching like that :oops: I did not mean it really :whistle: Quote Link to comment Share on other sites More sharing options...
Degsy Posted August 18, 2007 Share Posted August 18, 2007 Right Degsy I am having a word with Jack about you snitching like that :oops: I did not mean it really :whistle: Oh dear, will I be on the (pink) carpet or will it be the pink whip :help: Quote Link to comment Share on other sites More sharing options...
Jack Posted August 19, 2007 Author Share Posted August 19, 2007 Mark, strange what you find when you look back through a topic :schocked: :-D Great work Degsy - you might have just earned a medal for that. I reckon the boy will have some explaining to do............ Quote Link to comment Share on other sites More sharing options...
Mark Posted August 19, 2007 Share Posted August 19, 2007 Oi!!!!! Brother (I thought) what about sticking together on this then A!! :evil: Quote Link to comment Share on other sites More sharing options...
Marmite!! Posted August 19, 2007 Share Posted August 19, 2007 Oi!!!!! Brother (I thought) what about sticking together on this then A!! :evil: Fancy buying a truck you don't like just to suck up to the management :whistle: Quote Link to comment Share on other sites More sharing options...
Mark Posted August 19, 2007 Share Posted August 19, 2007 Fancy buying a truck you don't like just to suck up to the management :whistle: Didn't buy it..............................so there :pfrt: Quote Link to comment Share on other sites More sharing options...
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