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MPG

The all purpose forum for any TR7/8 related topics.
stevie_a
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MPG

Postby stevie_a » 11 Jul 2009 16:06

<font color="maroon"><b>I have just filled back up after my trip to billing

On both tanks full I had done exactly 400 miles

On the way down including the Saturday road run I got 37.8 mpg

after the Sunday run and the return journey home I got 36.24 mpg

and that was with the roof down for half the journey home

which is figures that I am delighted with


what are you lot getting ...[?]

should be some comical responses from the V8 boys and girls ...[:D]</b> </font id="maroon">

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<font size="4"><font color="green"><i>If it's not broke don't fix it.</i></font id="green"></font id="size4">

john 215
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Postby john 215 » 11 Jul 2009 16:22

Hi Stevie,
Simple Answer, Not enough [:p]

On a run approx 25-30 but that taking it easy and at 70mph only spinning at 1500 rpm

IN FUN MODE, not far of single figures [:0]

BUT smiles per mile, well 1000's [8D]

Cheers John



LIVE LIFE A QUARTER OF A MILE AT A TIME!
1979 3.5 FHC(STATUS PENDING!!)
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1982 2.0 DHC NOW A 4.6,ON THE ROAD NOW KICKING AR5E !!!!

busheytrader
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Postby busheytrader » 11 Jul 2009 17:08

Back in the days of my 2.0L engine.

20 mpg commuting 10 miles to work and 10 miles back again through suburbia.
33 mpg on the motorway at 70 - 75mph.


V8 Holley equipped

18 - 20 mpg through suburbia, practically no choke required.
25 - 28mpg on the motorway.

Spot the difference!! Not a lot huh?

I have got as low as 12mpg when driving with a bit of spirit in the V8.

Adam

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TR7 V8 DHC Jaguar Solent Blue. 9.35cr Range Rover V8, Holley 390cfm, JWR Dual Port, 214 Cam, Lumention, Tubular Manifolds, Single Pipe Exh, 3.08 Rear, 200lb Spax & PolyBushes, Anti- Dive, Capri Vented Discs & Calipers, Braided Hoses, 4 Speed Rear Cylinders, Uprated Master Cylinder & Servo, AT 5 Spokes and Cruise Lights. No Door Stickers. Mine since July 1986, V8 from 1991

zoe
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Postby zoe » 11 Jul 2009 18:04

stevie , that seems alot to the gallon , Amber always does 29 mpg , but i do have a problem keeping my right foot off the pedal , maybee she shud a V8 , then Wayne can look out !!!!! zoe

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Beans
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Postby Beans » 11 Jul 2009 19:02

During my recent trip to Scotland my FHC Sprint averaged 23.8 mpg over nearly 3000km.

Worst mileage with the same car was during a trash over some fine Alpine passes in 2002 were she managed to average less then 18 mpg.
Best mileage was 26.8 mpg during the 4000km 10 Countries run in 2005.
But then of course it has a few more horses to feed [:D]

DHC with “normalâ€￾ 2 litre averaged 30.8 mpg during the over 3000km 2007 edition of the 10CR.


<center>Image
<font color="blue"><i>1981 TR7 FHC Sprint (better known as 't Kreng)
1980 TR7 DHC (my first car currently being restored)
In parts a 1980 TR7 PI DHC, 1981 TR7 DHC, 1981 TR7 FHC</font id="blue">
<font color="red">http://tr7beans.blogspot.com/</i></font id="red"></center>

Gareth
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Postby Gareth » 11 Jul 2009 23:25

Being a sad git I check my mpg quite often I have 6 car on the road so like to know the most efficient and the TR7 wins,

TR7 = 34.7 Mpg (Petrol)
Ssangyong Musso 2.9 TD = 32.7 Mpg (veg oil)
Saab 9-3 = 27.9 Mpg (Petrol)
Daewoo Korando 2.9 TD = 30.7 Mpg (veg oil)
Ssangyong Musso GX220 = 20.1 Mpg (Petrol)
Ssangyong Rexton Rx270 = 30.4 MPG (Diesel)

And the winner is The TR7

Oh God I am a sad git???????????????


Gareth

1980 TR7 DHC, 1980 TR7 Auto (Spares)Enough Parts to build another.
1980 Triumph Spitfire, 1964 Beach Buggy, 5(Five) 4x4's (Korean)
Wifes drive a Saab 93 Conv
http://www.ssangyongclub.co.uk
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Hasbeen
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Postby Hasbeen » 12 Jul 2009 02:53

My service station a/c keeps a record of my milage, & fuel taken,
each time I fill up. It even gives you your average MPG, or L/100KM,
per car each month.

I make a point of throwing the 8s out unopened. If my wife ever asks
what its fuel consumption is, I cam honestly say I have no idea.
It's probably better I don't know either.

The 7, which used to give around 34/35 MPG, has slipped badly
recently, to around 28/9 MPG. This seems to have coincided with the
return of the 8.

After due consideration I think I have traced the problem to a loose
nut, behind the steering wheel. I think this nut has developed a
case of heavy right foot, & is trying to make the poor little 7,
peform like the 8.

It could be that, or perhaps an increase in traffic, often driven by
recently arived retirees. These days I often find myself in a lower
gear, roaring past some slower moving traffic, mumbling under my
breath, something like "bl@@dy idiot" or perhaps "silly old fart".

I even find it funny when I realise that "silly old fart" is often
many years younger than me.

So if your consumption is poor, don't blame your car, it's probably
the loose nut behind the steering wheel, or the spanners, or both.

Hasbeen

PeterTR7V8
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Postby PeterTR7V8 » 12 Jul 2009 09:44

OK so I get about 22MPG on the open road but when each mile is so much fun you don't count the cost. In any case you don't spend $1000s just getting the damn thing to look like a TR7 to then turn around & count what it costs to use the car - until it impacts upon your ability to buy beer. At that point you need to get your priorities straight & consider giving up beer.



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Never say die. At least not while you're still breathing.

Underdog
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Postby Underdog » 12 Jul 2009 13:28

22MPG (US) here also. 3.9 litres...well worth the price of admission. My MGB will get those 30s numbers if I need to conserve[:D]
Today I'll be getting a little over 40 with the Harley. Guess it all averages out.

72 MGB BRG
80 TR8 Persian Aqua
If women don't find you handsome, they should at least find you handy.

Troy ODoherty
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Postby Troy ODoherty » 12 Jul 2009 13:37

we allow 4km/litre on sprcial stages in te rally car.
otherwise I dont take much notice as Ihave a $2500 per month fuel bill for the company. About 2000 litres per month.
cheers Troy

bmcecosse
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Postby bmcecosse » 12 Jul 2009 23:00

Stevie - when i drove my TR7 home to Scotland from Shropshire (where I bought it blind on ebay!) - it did almost 40 mpg - hood down all the way! Was just running (fearfully!) at steady 70 mph. I would say with general running around now it's doing 30/35 mpg overall at the moment.

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FI Spyder
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Postby FI Spyder » 13 Jul 2009 04:57

Driving back from Sacramento on day two I got 40 mpg. after driving 10 hours at 50-52 mph as wheel shimmy prevented going faster. Tires at 36 lbs. pressure. 1/3 mountainous, 2/3 flat roads. Top up (too hot), side and back window down. Off the highway every two hours for food/drink/driving or restroom break. Some city driving around Portland.

I haven't tested it since but I get the sense it's better than the '91 Integra below 55 mph and not above as that's when the Integra's auto transmission lockup engages.

TR7 Spider - 1978 Spifire - 1976 Spitfire - 1988 Tercel 4X4 - Kali on Integra - 1991 Integra
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PeterTR7V8
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Postby PeterTR7V8 » 13 Jul 2009 06:07

10 hours! I'd need pontoons to drive that long in one direction. [:D]

The famous TR7 wheel shake usually gets better with speed. Maybe a wheel balance is in order & try 32psi.

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Never say die. At least not while you're still breathing.

Odd
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Postby Odd » 13 Jul 2009 07:17

Hm, interesting question... [:)]

After a 1000 mile/16 hour highway drive this weekend - mileage:
roughly 9.40 litres/100km at an average speed of 120 km/h
(25.023 mpUSg 30.051 mpUKg @ 75 mph)
and
around 8.88 litres/100km at an average speed of 90 km/h
(26.488 mpUSg 31.811 mpUKg @ 55 mph)
both figures with the '8 loaded full
(2 'real' people, ordinary 'nice to have' spares and complete weekend
luggage = a gross weight well in excess of ~1500kg (~3300 lbs))

Around town? Don't know - and don't want to know...[:D]

Overall mileage for the 9717 km (6038miles) I've driven it so far is
9.854 litres/100km (23.87 mpUSg 28.67 mpUKg),
with a best fill-up so far of
8.17 litres/100km (28.79 mpUSg 34.58 mpUKg).
(That's including 1613 km (1002 miles) of trailer towing...)

3.9 Disco efi with R380 5-sp
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Alec Pringle
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Postby Alec Pringle » 14 Jul 2009 00:37

It's a TR, what's fuel consumption got to do with it ?

If fuel consumption is relevant, buy a diesel . . . .

Cheers,

Alec

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