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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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700/900 Fuel Economy (Petrol Engines)Views : 27912 Replies : 177Users Viewing This Thread : |
View Poll Results: What is your car's best fuel economy (petrol engines)? | |||
Less than 20mpg | 11 | 5.61% | |
20-21mpg | 8 | 4.08% | |
22-23mpg | 14 | 7.14% | |
24-25mpg | 34 | 17.35% | |
26-27mpg | 27 | 13.78% | |
28-29mpg | 29 | 14.80% | |
30-31mpg | 31 | 15.82% | |
32-33mpg | 19 | 9.69% | |
34-35mpg | 5 | 2.55% | |
Greater than 35mpg! | 18 | 9.18% | |
Voters: 196. You may not vote on this poll |
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Jul 27th, 2013, 18:27 | #171 |
VOC Member
Last Online: May 4th, 2023 20:38
Join Date: Nov 2007
Location: West Sussex
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William 745 GL - 1986, B230K 745 GLE - 1987, B230E |
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Jul 27th, 2013, 18:47 | #172 |
I've Been Banned
Last Online: Aug 10th, 2018 09:22
Join Date: Jan 2011
Location: The Lincolnshire Wolds & West Sussex Coast
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I believe it.
Once did an"economy run"in the '86 745a (B230k), achieved just over 40mpg. What is your experience, and how's the rebirth going OBV? Jon. |
Jul 27th, 2013, 19:10 | #173 |
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Last Online: Yesterday 02:44
Join Date: Mar 2006
Location: Lichfield
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I want to change my original vote dagnabbit!
With a T cam the highest ever was 33 mpg. (sitting on the motorway) With an A cam the highest ever was 32 mpg. (sitting on the motorway) Now with a stump pulling M cam I've just hit a new PB of 36 mpg, rather easily it seems as that wasn't all motorway. Oh, and that's with a clapped out air filter, dizzy cap, and HT leads. Curiously, with this cam the fuel cut off seems to happen at 1600 rpm (that's right around 32 mph indicated in 4th gear). Although I think the cut off is related to road speed, and maybe the reason I didn't notice this before is because the engine sounded like it laboured a bit in 4th at that speed. The most fuel efficient speed for my car on the motorway appears to be 67 mph indicated.
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MY97 940 CD LPT Super Sports Edition 2 Turbo, Midnight Purple, 176,000 miles. Problems with classicswede, Yet more issues with Classicswede, ClassicSwede PROBLEM, Classic Swede |
Jul 27th, 2013, 23:13 | #174 |
loyalty
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I can't remember what I originally quoted but today only getting 26.2mpg,Probably due to the twin exhaust and the lovely sound it makes when revving high Lol.
It really isn't that loud and unless I crawl around in to high a gear or get up into higher revs you wouldn't notice it. Which is just how I like it as I don't have to listen to a constant roar,only when I want to hear it. Regards Brian. |
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Jul 28th, 2013, 01:42 | #175 |
Volvo 740 2.3GL
Last Online: Sep 6th, 2013 19:04
Join Date: Mar 2013
Location: Tatabanya, Hungary
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I have a 740GL 230K engine with AW71 autobox. 20MPG the usual within the city and ~25MPG on motorway with the old dingy Pierburg 2b5. I installed a dual-barrel Solex 35/35 with dual gearwheel yesterday. I check the MPGs at the future
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Jul 28th, 2013, 02:30 | #176 |
Premier Member
Last Online: Jul 2nd, 2024 01:13
Join Date: Jul 2009
Location: Holywood
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DWM- 42.9mpg, I don't want to wee on peoples figures, but 4.72L is a bit low accuracy, if you are just using fill ups its easy to be 0.5L out. Still 38mpg is pretty good.
Baggy- my experience and common knowledge on econmodders is that economy reduces with increased speed and revs. 50 is alot better than 70. I haven't tried any comparisons yet but I do expect that spark efficiency at low rpm is important given the difference in heasitation with a clean dizzy. |
Aug 2nd, 2013, 19:48 | #177 | |
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Last Online: Apr 14th, 2018 10:24
Join Date: Nov 2009
Location: Yeovil
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Quote:
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Aug 4th, 2013, 11:08 | #178 |
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Last Online: Apr 14th, 2018 10:24
Join Date: Nov 2009
Location: Yeovil
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First 160ish miles, 32.5mpg. No special effort other than sitting marginally below the speed limit. Very happy with that as a starting point
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Tags |
fuel consumption, fuel economy, mpg |
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