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Hey guys, just wondering what you guy get per fill up? How many kms and what grade of gas do you use 91/94 octane...
 

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I use 90 octane, that is regular with 10% ethnolal(?), have 110,000 km on it in two years, has averaged 23.1 mpg (imperial) never missed a beat! gets 27 to 28 on a long run, 19 to 20 in town.
 

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I use 90 octane, that is regular with 10% ethnolal(?), have 110,000 km on it in two years, has averaged 23.1 mpg (imperial) never missed a beat! gets 27 to 28 on a long run, 19 to 20 in town.
You average 23.1 mpg or kmpg? I use 93 octane and average about 16 mpg on my SRT8. About 21 on a long run. Does the 10% ethonal make that much difference in gas mileage? And it cost me about $52.00 per tank.
 

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You average 23.1 mpg or kmpg? I use 93 octane and average about 16 mpg on my SRT8. About 21 on a long run. Does the 10% ethonal make that much difference in gas mileage? And it cost me about $52.00 per tank.
I have averaged 23.1 mpg (imperial) over 68,000 miles (110,000 km) I get a high of 27 to 28 mpg (9.9 lt/100km) Average is 12.2 lt/100 km, srt8 will average about 600 km per tank, on the high way about 650 to 730 km per tank longest on one tank is 765 km. Through the rockies from my home to Calgary. I find the 10% ethonal does not effect the performance anyway, I do not run it down the track so I have no measure to tell performance, the 10% ethonal makes regular (87) up to 90 so that is what I use. cost per tank is $86.00 canadian, price is currently about $1.20 per litre.
 

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Discussion Starter #8
So your getting around 600kms per tank @ $86.00, thats a hell of alot better then paracing 300 kms/$80 Something dosn't add up. He's getting half of the gas milage your getting?
 

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I do not know what others have experienced. I can tell you that I keep very detailed records as I use the car for business, I do not have a mileage log, however, I do record all fuel costs, mileage when fueled up, I do regular oil changes and the like, I change oil every 10,000 km, my driving habits are not different than others, I have been at the local 1/8 mile 19 times, I have been over 170 a couple of times and have hit 160 mph at least 12 times. I seem to get rather high mileage on regular things on the car. I got 93,000 km out of the front brake pads and 48,000 kms from the first back set of pads, my RSA's currently have about 80,000 km on them and they should last to 100,000 km. The mileage that I have experienced is from fill up to fill up, not on the EVIC that seems to report some 5% higher than reality. I only know that I have driven 109,191 km and averaged 23.1 miles per imperial gallon. Car has never missed a beat and it is completely stock!
 

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I must note that I live in the interior of BC, this area is not flat! with the rockies on one side and the coast mountians on the other side. On the flat in Alberta from Calgary to Medicine Hat, about 300 miles, I have expericence the following at a steady speed on cruise with fill up tank to tank. each run was about 100 km (62 miles) at 110 km (68 mph) 29.7 mpg, at 100 km (62 mph) 30.9 mpg, at 90 km (56 mph) 32.33 mpg (all measurement is in Imperial gallons). On the same trip from Calgary to Summerland (my home), through the rockies, on 89 octane, about 400 miles 29.86 mpg. That was at a steady speed at 10km about the speed limit.
 

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Actually just found the data for that trip from Medicine Hat to Summerland. 944 km distance 88lt of gas, so that is 586.6 miles on 19.34 imperial gallons, or 24.18 US gallons, 24.27 MPG (us gallon) or for those in KM 9.3 lt per 100 km.
 

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I have averaged 23.1 mpg (imperial) over 68,000 miles (110,000 km) I get a high of 27 to 28 mpg (9.9 lt/100km) Average is 12.2 lt/100 km, srt8 will average about 600 km per tank, on the high way about 650 to 730 km per tank longest on one tank is 765 km. Through the rockies from my home to Calgary. I find the 10% ethonal does not effect the performance anyway, I do not run it down the track so I have no measure to tell performance, the 10% ethonal makes regular (87) up to 90 so that is what I use. cost per tank is $86.00 canadian, price is currently about $1.20 per litre.
Lucky, are you saying you put in 87 octane and then add the ethonal? Or are you using fuel that already has ethanol added? I should have a Magnum SRT8 next week so wondered about what fuel and mileage expected. Thanks for your info.

Mike
 

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Here in western Canada there are two gas stations that supply regular 87, but they claim it is 90 with ten percent ethonol, I run this fuel whenever I can, I usually use 89, it seems to have no bad effects (cross fingers) my srt8 does love 91, however, the 90 seems to work fine and at 68,000 miles in the last 24 months does not seem to have had negative effects, however if the motor calved I would put in a 426 stroker in a heart beat! The gas suppliers are Husky and Mohawk, they may be owned by the same company? my srt8 does not seem to like regular 87.
 

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Discussion Starter #14
Thanks for all the info, so to make it easy for me, it costs you how much to fill and how many km do you get.....
 

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Ouch!! Thats alot worse then I expected, no wonder the price on these cars are dropping like bombs, makes me re-think about buying one....
i like performance,but you can make 400-450km but no more

600km the grand mother drive:pat:

my previous car was the 300c with the hemi 5.7 and i was make 600 km for 80$ but on the highway the engine fall on 4 cylinder=8 litre/100,very good
-Forget this for a srt-8 ,is to funny to going fast:)
 

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I get about 600 kms. per tank when I drive it, shall we say, normally. Price right now would be about $80 per tank. I used to use that Ethanol added fuel when I had my Cadillac Eldorado Touring Coupe. It needed 91 and MacEwen Fuels stated that their Ethanol blend, although posted as an 87, was really a 90. I filled up on this stuff for years. Then due to a location change, MacEwen Ethanol was not available to me and lo and behold, my miles per tank increased markedly once I started to use a 90 or 91 octane gasoline. So that E stuff is a very clean fuel, but it does not produce as much energy as that good old pure gas. Now I use Shell V-Power - 91 octane and am very happy with the power, cleanliness (no build-up), and mpg at about 21.8 on a consistent basis.

Dante! :cool:
 

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Thanks for the info. I think you are right the fuel is cleaner, however, I have not noticed any change in my mileage that would be cause of more power, I have noticed an increase in fuel mileage in the last 70,000 km because my right foot does not need to push as hard, one thing I must say is that in regards to power the 425 that I have now or even if it is 375 with poor gas, this is plenty to move my beast. not very often have to use the extra as not many people out here to run against and most of my driving is done on the highway, roads where I live are narrow, up and down and lots of curves. Not really the chance to get it out to run unless I am on the 'Coke' then it is 170 time. My daily driver is my 1962 Chrysler Windsor, Black 4 door hard top, it gets most of the town duty. My 300 gets little use to get the mail and groceries. 87 called 90 seems to work okay for me, just time will tell, I will be happy if I get 200000 km out of this motor, only another 14 months to go!
 
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