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Offline Mark_Solesbury

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300tdi Performance / MPG
« on: December 07, 2009, 12:09:37 »
Hiya

Ive got a 1996 300tdi 90 with 83000 on the clock. It has got a standard size Allisport intercooler, Straight though exhaust, and an ITG filter.

I did exactly the same 150 mile journey on Sunday with another 1997 defender with standard intercooler, exhaust and filter.

We sat at 65mph pretty much the entire way - I used 3/4 tank of diesel, and the other one used 1/2, but the other one has better performance, quicker and a better top speed. Neither 90's smoke.

Im thinking that mine needs to be tinkered with by someone who actually knows what they are doing - Fuel pump has been tweaked by many previous owners by hte look it, but i can get it flat as anything, or drinking fuel

Do you know of anyone that would be able to undertake such a task?
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Mark

1996 300tdi 90
External/Internal Cage
Maxi Drive Locking Diffs
Snorkel
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Offline landy_bug

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Re: 300tdi Performance / MPG
« Reply #1 on: December 08, 2009, 16:27:59 »
any diesel specialist should do it. or a local performance car tuner/rolling road or try allisport?? or even a local land rover specialist.
there are plenty of places about also if funds will allow get a re-map that should improve performance and fuel consumption
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Offline Mark_Solesbury

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Re: 300tdi Performance / MPG
« Reply #2 on: December 08, 2009, 16:29:28 »
a 1996 300tdi remap means a man with a screwdriver!

Non ECU :)
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Mark

1996 300tdi 90
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AliSport Intercooler

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Offline landy_bug

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Re: 300tdi Performance / MPG
« Reply #3 on: December 08, 2009, 16:40:22 »
sorry forgot about that as i have no defender yet and never been under bonnet of 300tdi i will remember that tho cheers
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LIFE IS A WATE OF TIME AND TIME IS A WASTE OF LIFE, SO GET WASTED ALL OF THE TIME AN YOU'LL HAVE THE TIME OF YOUR LIFE


1981 Series 3 3.0 V6 (deceased)
2005 Freelander TD4 Commercial

Offline Mark_Solesbury

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Re: 300tdi Performance / MPG
« Reply #4 on: December 08, 2009, 17:00:50 »
Didnt mean to sound rude!

thanks for trying - ill give allisport a call i think.

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Mark

1996 300tdi 90
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AliSport Intercooler

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Offline ben-dent

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Re: 300tdi Performance / MPG
« Reply #5 on: December 08, 2009, 21:52:09 »
give it to me mark i will swap you my rangie [-o< [-o<

thats got no MPG  :evil: :evil:
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Offline Mutz

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Re: 300tdi Performance / MPG
« Reply #6 on: December 16, 2009, 18:01:35 »
Could it be the "97" has a Disco transfer box?
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Offline tack43

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Re: 300tdi Performance / MPG
« Reply #7 on: December 16, 2009, 18:31:19 »
Definately using too much fuel. I did about 200 or so miles this weekend ( about 150 on motorway/fast A roads and 50 on green lanes/minor roads) on 3/4 tank. I am using 2 stroke in the fuel which does seem to help MPG!

Rich
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1985 90 300TDI "Defender" SOLD.
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1993 RRC Off-roader. No engine. Yet!
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Offline Bob696

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Re: 300tdi Performance / MPG
« Reply #8 on: December 17, 2009, 06:40:22 »
You don't mention Tires. Same tires?
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Offline bogie

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Re: 300tdi Performance / MPG
« Reply #9 on: December 17, 2009, 20:43:32 »
Im getting 44mpg with anacondas and 200! 35 around town.
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Offline Mark_Solesbury

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Re: 300tdi Performance / MPG
« Reply #10 on: December 19, 2009, 17:50:42 »
Quote from: Bob696 on December 17, 2009, 06:40:22
You don't mention Tires. Same tires?

Mine has 285/75/16 special tracks and the other has 35/10.5/16 Simex ET, roughly the same tread / size.
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Mark

1996 300tdi 90
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Maxi Drive Locking Diffs
Snorkel
AliSport Intercooler

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Offline bogie

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Re: 300tdi Performance / MPG
« Reply #11 on: December 19, 2009, 20:01:53 »
The two things that kill your mpg are cold starting and keep on hitting the turbo!
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1968 SERIES 2A ,200TDI TUNED,RANGE ROVER AXLES,ONE TON SHACKLES,CPC PARAS,ES3000,POLYBUSHED,ANACONDAS.                     1970 SERIES 2A, 200TDI TUNED,5 SPEED LT77 WITH LT230S TRANSFER BOX 1.211 RATIO.ZEUS DISKS ALLROUND.ES3000,MODIFIED 90 TANK,3.5 DIFFS.

Offline bazza5662

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Re: 300tdi Performance / MPG
« Reply #12 on: December 19, 2009, 21:26:53 »
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Offline trecfive

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Re: 300tdi Performance / MPG
« Reply #13 on: December 23, 2009, 22:25:09 »
Quote from: tack43 on December 16, 2009, 18:31:19
I am using 2 stroke in the fuel which does seem to help MPG!
Rich

How much do you add and in what sort of ratio,  1/2 ltr of two stroke to 50ltr of diesel?
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Offline Mark_Solesbury

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Re: 300tdi Performance / MPG
« Reply #14 on: December 26, 2009, 11:10:22 »
Just been out this morning and results are not good  :'(

Filled it up to one click on the pump, drove 30 miles, filled it up again at same pump.

30miles, 6.88 litres (1.5 gallon) = 20mpg
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1996 300tdi 90
External/Internal Cage
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AliSport Intercooler

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Offline bogie

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Re: 300tdi Performance / MPG
« Reply #15 on: December 26, 2009, 17:48:36 »
Can of petrol and match!
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1968 SERIES 2A ,200TDI TUNED,RANGE ROVER AXLES,ONE TON SHACKLES,CPC PARAS,ES3000,POLYBUSHED,ANACONDAS.                     1970 SERIES 2A, 200TDI TUNED,5 SPEED LT77 WITH LT230S TRANSFER BOX 1.211 RATIO.ZEUS DISKS ALLROUND.ES3000,MODIFIED 90 TANK,3.5 DIFFS.

Offline tack43

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Re: 300tdi Performance / MPG
« Reply #16 on: December 27, 2009, 20:21:37 »
Quote from: trecfive on December 23, 2009, 22:25:09
Quote from: tack43 on December 16, 2009, 18:31:19
I am using 2 stroke in the fuel which does seem to help MPG!
Rich

How much do you add and in what sort of ratio,  1/2 ltr of two stroke to 50ltr of diesel?

1 part 2 stroke to 200 parts diesel (about 1/4 litre per tank). See the post in the alternative fuels section.

Rich
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1985 90 300TDI "Defender" SOLD.
1990 RRC 3.9 Vogue LPG
1991 RRC 3.9 Vogue SE "The spare parts box!" Broken for spares
1993 RRC Off-roader. No engine. Yet!
1991 RRC 3.9 Vogue SE "Tempory off-roader" Failed MOT - More spare parts
1992 RRC 3.9 Vogue SE "New tempory off-roader" SOLD

Offline Range Rover Blues

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Re: 300tdi Performance / MPG
« Reply #17 on: December 28, 2009, 13:07:04 »
Quote from: tack43 on December 27, 2009, 20:21:37


How much do you add and in what sort of ratio,  1/2 ltr of two stroke to 50ltr of diesel?


1 part 2 stroke to 200 parts diesel (about 1/4 litre per tank). See the post in the alternative fuels section.

Rich

Anyone know why this has such an effect?
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Offline bogie

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Re: 300tdi Performance / MPG
« Reply #18 on: December 28, 2009, 19:04:29 »
Litre of petrol does it for me!
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1968 SERIES 2A ,200TDI TUNED,RANGE ROVER AXLES,ONE TON SHACKLES,CPC PARAS,ES3000,POLYBUSHED,ANACONDAS.                     1970 SERIES 2A, 200TDI TUNED,5 SPEED LT77 WITH LT230S TRANSFER BOX 1.211 RATIO.ZEUS DISKS ALLROUND.ES3000,MODIFIED 90 TANK,3.5 DIFFS.

Offline disco2 td5

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Re: 300tdi Performance / MPG
« Reply #19 on: January 01, 2010, 23:13:23 »
ive heard abit of petrol in works wonders on clean burning and keeping injectors clean but never been brave enough to try it
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Offline lukeLR90

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Re: 300tdi Performance / MPG
« Reply #20 on: January 02, 2010, 11:10:00 »
to be fair i dont think id try it either i just use diesel conditioner...the forte one although that does remind me i must put some more in  :roll:
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