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ringram
Original Poster
12,271 posts
118 months
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After my stellar 80+ Litre fill effort, I thought Id start a new challenge. For those with a minimum of 4000 miles on their trip computer. Try and beat 27.1 MPG Ill post the pics tomorrow. Last checked today 7455 odd miles for 275 gallons. Pathetic FI efforts welcomed. May the most fuel efficient win  Please state Manual or Auto.
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ringram
Original Poster
12,271 posts
118 months
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Oh and Ive got an SP60 to show its not all eco driving.
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Gary H 2008
2,425 posts
59 months
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 Overall or on a long journey?
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mattcov
426 posts
96 months
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Once I've got the "range" on a full tank to almost hit 500, think it was about 486. No photo 
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merdock
493 posts
30 months
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I regulary get 500miles out of a tank but then again it do's hold 100L of Diesel.
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ringram
Original Poster
12,271 posts
118 months
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Gary H 2008 said: Overall or on a long journey? Sorry mate, we need to see the trip counter with the miles over which the average was done. Minimum of 3000 please  Otherwise it could have been a 5min run up the road.
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ringram
Original Poster
12,271 posts
118 months
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Behold 27.4 MPG from 500rwhp NA. Im going to make a bolt statement that no VXR8 with FI will come close and that, NA therefore wins on all counts. Reliability, consistent power output, economy, cost of ownership etc. Nay sayers step up to the plate and show your superior numbers. 
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richie slow
5,824 posts
34 months
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ringram said: Behold 27.4 MPG from 500rwhp NA. Im going to make a bolt statement that no VXR8 with FI will come close and that, NA therefore wins on all counts. Reliability, consistent power output, economy, cost of ownership etc. Nay sayers step up to the plate and show your superior numbers. Stop angling for a bite Rich  they're wise to you now  Everybody knows a good fi set-up is more efficient. Congrats btw 
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wav8
2,662 posts
18 months
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ringram said: Behold 27.4 MPG from 500rwhp NA. Im going to make a bolt statement that no VXR8 with FI will come close and that, NA therefore wins on all counts. Reliability, consistent power output, economy, cost of ownership etc. Nay sayers step up to the plate and show your superior numbers. Cant compete only done 300 miles and best I have got is 19.8  see what its like on trip to Newcastle next week
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SturdyHSV
2,211 posts
37 months
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ringram said: Isn't 101.1 Classic FM in some areas? So that's your secret
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ringram
Original Poster
12,271 posts
118 months
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I was wondering if someone would spot that FM station And for the other gent above, no I dont know FI is more fuel efficient, in fact I think the opposite is true. Go and google BSFC for NA vs FI you will find NA is up to 50% more fuel efficient at generating BHP. So quite how FI is more efficient is beyond me. This is my project to prove Im right. If its so efficient then there should be no problem showing massive efficiency gains in FI over the numbers above. So bring them on. Where are these more efficient cars? FI can be more efficient IF the engine is downsized to offset the massive inefficiencies. I see no downsizing... FI only gains from Volumentric efficiency, it fails with mechanical efficiency and thermal efficiency to beat NA. I have put my money where my mouth is, so come ye one, come ye all. Show us your superior vehicles... Where are they!?
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StefanVXR8
2,471 posts
68 months
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For what they are the R8 is pretty fuel efficient, 70mph is barely 2000 rpm.
I regularly get 27mpg on my daily commute, but as I'm also running on LPG I take about 20% off of that and then calculate about 22mpg @ 69.9ppl which for me equates to around 37mpg on cost.
My old 300C was just as efficient and would also quite happily return about 27mpg.
I was lucky to get mid 20's out of any previous Land Rover Discoverys I owned and they were diesel, so much or gas guzzling V8's!
Stef
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Gary H 2008
2,425 posts
59 months
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LOL, I'm sorry, but for anything over maybe a 200 mile run like mine, if you're trying for that kind of mileage you've bought the wrong car...or you're simply not driving it like it was intended
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bigwheel
779 posts
84 months
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SturdyHSV said: Isn't 101.1 Classic FM in some areas? So that's your secret Real in others.
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MyM8V8
6,876 posts
65 months
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Does cost of ownership include an engine rebuild?
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ringram
Original Poster
12,271 posts
118 months
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Gary H 2008 said: LOL, I'm sorry, but for anything over maybe a 200 mile run like mine, if you're trying for that kind of mileage you've bought the wrong car...or you're simply not driving it like it was intended Like I said, SP50 available. No silly excuses please.
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bobfredstinker
562 posts
20 months
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I once got a million miles off one gallon in my Monaro. No photo though
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bigwheel
779 posts
84 months
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ringram said: Like I said, SP50 available. No silly excuses please. What was it then? SP60 or SP50? Signed: A. Concerned-Citizen
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ringram
Original Poster
12,271 posts
118 months
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One or the other, happy to post pics up if required. Though it looks like the challenge has been won by NA anyway.
Closest is a 19 Mpg. Maybe people need to scroll through their cars so we will give it a day or 3 for everyone to check and report back if they come close.
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MadMaxHSV
1,661 posts
68 months
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ringram said: One or the other, happy to post pics up if required. Though it looks like the challenge has been won by NA anyway.
Closest is a 19 Mpg. Maybe people need to scroll through their cars so we will give it a day or 3 for everyone to check and report back if they come close. Run to London recently averaged 23mpg here Even in 30* heat and supposed inefficiency. Only a few mpg off your wonderful acheivement. But then maybe its the lower drag coefficient and feather light weight of the Monaro...
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