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73SC


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Is this good fuel mileage?
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Yesterday I made a trip from Niagara-on-the-Lake to Toronto, late morning, arriving home near 1:00 pm.  I didn't check time but it should be 1 1/2 hours or less. I set my on board computer as I left the hotel.

My average speed for the trip was 106.8 km/h and fuel was comsumed at 9.1 litres/100 km.

That is about 67 MPH and 26.8 mpg according to my on board computer.

Just curious, would this be considered good fuel economy ?

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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Built January 10, 1993 - Bowling Green Kentucky 

 
87 player bird


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A lot better than my old 396 tri power camaro (3 mpg est.)

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Taylor55


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In a full size car anything over 25mpg is what I would consider to be good mileage.

Al

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Astro Jet


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73SC wrote:

Yesterday I made a trip from Niagara-on-the-Lake to Toronto, late morning, arriving home near 1:00 pm.  I didn't check time but it should be 1 1/2 hours or less. I set my on board computer as I left the hotel.

My average speed for the trip was 106.8 km/h and fuel was comsumed at 9.1 litres/100 km.

That is about 67 MPH and 26.8 mpg according to my on board computer.

Just curious, would this be considered good fuel economy ?


If that was in the 'burb, that is excellent...wink

 



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Hillar

1970 LS4 (eventually an LS5) Laurentian 2dr hdtp
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Johann65


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Took the Malibu for its first 100 mile plus trip to Pretoria and back.
Total distance traveled 170 miles = 274 Km; Fuel used 29.07 liters.
Consumption 22 MPG = 9.448 KM/L.biggrin 
= 10.58 L/100Km
Distance back was 137Km in 1Hr and 20 Minutes = 103 KmH avg.
Speed was between 55 and 70 MpH on the freewayevileye
with one section of roadworks about two miles long (Going There)
where the traffic virtually came to a standstill!  Not too bad if I may say so!aww

The Malibu has a 250CID motor.

Believe it or not!!! The Malibu had its first wheelie today
when I had to make a quick right turn at an intersection in Pretoria!!!!spin.gif

Compares Km/L with your numbers.  MpG UK or US? Mine works out 22 MpG.

-- Edited by Johann65 on Monday 16th of March 2009 12:14:52 PM

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Ah yes! I remember it well!!! (With Pictures)

  1. 1965 Malibu 4dr Sedan L6 (Original)
  2. 1975 Chevrolet Kommando 305 (Monaro Clone)
  3. 2000 Peugeot 406 2.0L
  4. 1996 VW Golf Chico
73SC


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Astro Jet wrote:

If that was in the 'burb, that is excellent...wink 


It was in my Deville, but still a high HP V8 in a large car, that's very good I think.

 



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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Built January 10, 1993 - Bowling Green Kentucky 

 
Astro Jet


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Johann, we use imperical (UK) gallons here in Canada.

Ray, I would still do the fill up and then divide the mileage by the amt of fuel used, I find those onboard computer mileage read-outs to be notoriously inaccurate, and always favouring higher fuel economy.  My actual fuel economy has never once achieved that displayed on the digital read out.

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Hillar

1970 LS4 (eventually an LS5) Laurentian 2dr hdtp
-and a bunch of other muscle cars...
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73SC


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Astro Jet wrote:

Johann, we use imperical (UK) gallons here in Canada.

Ray, I would still do the fill up and then divide the mileage by the amt of fuel used, I find those onboard computer mileage read-outs to be notoriously inaccurate, and always favouring higher fuel economy.  My actual fuel economy has never once achieved that displayed on the digital read out.


Maybe so Hillar but even at a ball park figure of -5% it's still 25 mpg. It was a good ride in, never touched the brakes until the Rogers Centre and before I left I pumped 40 psi into the tires. I don't think I could do much better than that at a touch or two under 70 mph for the average speed. It was just a perfect day for a Sunday drive.

 



-- Edited by 73SC on Monday 16th of March 2009 03:17:58 PM

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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Built January 10, 1993 - Bowling Green Kentucky 

 
Johann65


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73SC wrote:

Astro Jet wrote:

Johann, we use imperical (UK) gallons here in Canada.

Ray, I would still do the fill up and then divide the mileage by the amt of fuel used, I find those onboard computer mileage read-outs to be notoriously inaccurate, and always favouring higher fuel economy.  My actual fuel economy has never once achieved that displayed on the digital read out.

 Morning Ray and Astro Jet,
I used the above method and based on UK Gallons achieved 26.58 MPG. Your de Ville has newer technology and at avg 106 KMH should achieve above 22 MPG. 

With The Malibu the consumption was achieved with a brilliantly re-built MonoJet and a Fuel pressure relief system that I made and installed.



__________________

Ah yes! I remember it well!!! (With Pictures)

  1. 1965 Malibu 4dr Sedan L6 (Original)
  2. 1975 Chevrolet Kommando 305 (Monaro Clone)
  3. 2000 Peugeot 406 2.0L
  4. 1996 VW Golf Chico
73SC


A Poncho Legend!

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Posts: 20262
Date:
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Johann65 wrote:
 Morning Ray and Astro Jet,
I used the above method and based on UK Gallons achieved 26.58 MPG. Your de Ville has newer technology and at avg 106 KMH should achieve above 22 MPG. 


Hi Johann, can you help me understand the calculation you made. I did not keep track of distance travelled or fuel use dso how did you arrive at the result? I merely relied on the data provided by the on board computer.

 



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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Built January 10, 1993 - Bowling Green Kentucky 

 
Johann65


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Posts: 699
Date:
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73SC wrote:

Johann65 wrote:
 Morning Ray and Astro Jet,
I used the above method and based on UK Gallons achieved 26.58 MPG. Your de Ville has newer technology and at avg 106 KMH should achieve above 22 MPG. 


Hi Johann, can you help me understand the calculation you made. I did not keep track of distance travelled or fuel use dso how did you arrive at the result? I merely relied on the data provided by the on board computer.

 Hullo Ray, The above figure was not calculated but guestimated based on past experience!!!



 



__________________

Ah yes! I remember it well!!! (With Pictures)

  1. 1965 Malibu 4dr Sedan L6 (Original)
  2. 1975 Chevrolet Kommando 305 (Monaro Clone)
  3. 2000 Peugeot 406 2.0L
  4. 1996 VW Golf Chico
Johann65


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Posts: 699
Date:
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Here is the pressure relief system (Homemade!)
Fuel Return System.jpg

-- Edited by Johann65 on Thursday 19th of March 2009 02:46:57 PM

__________________

Ah yes! I remember it well!!! (With Pictures)

  1. 1965 Malibu 4dr Sedan L6 (Original)
  2. 1975 Chevrolet Kommando 305 (Monaro Clone)
  3. 2000 Peugeot 406 2.0L
  4. 1996 VW Golf Chico
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