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#26 2019-11-07 16:22:42

GRIFFIN
Member
From: DURHAM
Registered: 2019-03-16
Posts: 107

Re: Diesel Additives

Hi all,

Just got back from a trip to London and back, I had a full tank of 50/50 veg and diesel and ran it for 200 miles round the doors before I left Durham. When I got home, I had 711 miles on the odometer and refilled the tank again to find out how much I had used. It worked out at 39 MPG which I was quite happy with, as the first 200 miles was just normal driving and the trip down the country wasn't done very economically as the M1 on a Friday evening had lots of stop/start traffic and where I could, I was doing a constant 70+ MPH. On the return Journey however I kept speed down to 60-65 MPH. If I had driven more carefully for the whole tank of fuel, I could have returned over 40 MPG.

Worth mentioning that on my return I refilled the tank with pure diesel, as the forecast is for a cold spell and I don't want to tempt fate.

For those reluctant to try veg oil, I would recommend starting and running the engine on tick over for a couple of minutes before driving off, especially in colder temperatures. This will give the engine time to warm up and thin the diesel/veg mix, causing less stress on the pump.

Last edited by GRIFFIN (2019-11-07 17:11:02)


If you can meet with Triumph and Disaster
And treat those two impostors just the same

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#27 2019-11-07 17:06:41

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,620

Re: Diesel Additives

Not so much reluctant to use veg oil more reluctant to us with a Delphi pump.

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#28 2019-11-07 17:40:32

GRIFFIN
Member
From: DURHAM
Registered: 2019-03-16
Posts: 107

Re: Diesel Additives

Well this is the second van I've had with a Delphi pump and never had a problem, ticks over and runs fine. Not sure what pump was on my TDI Multipla but it was fine too, for many miles over about 7 years or more.

I'd leave it now though, till the weather warms up to round 10 degrees, usually march.


If you can meet with Triumph and Disaster
And treat those two impostors just the same

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#29 2019-11-07 22:19:35

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,620

Re: Diesel Additives

Would you not trust 75/25% ?

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#30 2019-11-15 01:15:38

GRIFFIN
Member
From: DURHAM
Registered: 2019-03-16
Posts: 107

Re: Diesel Additives

Sorry for delay, I replied the other day but it didn't post my reply.

To be honest I don't do many miles in the van over the winter anyway, I use my little fiat which has a petrol engine. I don't think its worth running the risk of waxing and blocked fuel lines. I've just filled up with diesel and that may well last into the new year. next time I use veg oil will be when the ambient temperature gets back up to around 10 degrees. If I kept the van in a nice heated garage, I may think differently but it lives out in the back yard.

Last edited by GRIFFIN (2019-11-15 01:18:01)


If you can meet with Triumph and Disaster
And treat those two impostors just the same

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#31 2019-11-15 12:09:45

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 530

Re: Diesel Additives

I have used 2-ehn as recommended above for the first time in my current 60/40 tankful.   Incredible the difference it makes for such reletively small amount used in a tank full.

It's cost will obviously reduce the savings but the reduction in engine knocking alone is worth it to me.  It also reduces the pronounced pulseing on cold starts which I hope indicates an easier life for the pump.  Low end torque is also returned to that expected from neat diesel.  It does  smoke more on startup but clears within a minute of starting.

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#32 2019-11-15 13:09:17

kenbw2
Member
From: Anywhere the van takes me
Registered: 2017-11-26
Posts: 586

Re: Diesel Additives

OAT wrote:

I have used 2-ehn as recommended above for the first time in my current 60/40 tankful.   Incredible the difference it makes for such reletively small amount used in a tank full. .

60:40 which way? You're really going for it now aren't you


2000 Citroen Dispatch 1.9TD XUD9 Camper Conversion + full time home
1999 Citroen Dispatch 1.9D DW8 Disassembled Camper Conversion
1996 Peugeot 806 1.9TD XUD9 Spare vehicle
1998 Citroen Synergie 1.9TD XUD9 Snapped timing belt

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#33 2019-11-15 14:36:21

vaz2121
Member
From: SW. Scotland
Registered: 2015-08-31
Posts: 924

Re: Diesel Additives

I stuck another 15 ltrs in the 306 (veg/sunflower mix) the other day had about a litre of aging lawn mower petrol i threw in also .....
Brimmed it off with about 21 or 2 ltr diesel  on what was already in there................
Only thing Ive notest is an occasional miss ....
But this is first use in mornings or later on in the eavning after sitting for many hours and the ambiant temp has been close to zero and yesterday I had left the car for about 6 hours in town in Ayr .....
On our return we had a definite touch of frost on roof..........
Dash/outside temp said -0.5 ....
On leaving town someone had been knocked down and we sat for ages also diverted ....
Outside temp  showing a low that I saw of -2.....
No starting issues or running for that matter just an occasional miss/stumble on tick over when engine is cold (no heat in heater) ...........
(But she has done 212,000 and probably wants injectors)

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#34 2019-11-16 12:37:59

kenbw2
Member
From: Anywhere the van takes me
Registered: 2017-11-26
Posts: 586

Re: Diesel Additives

vaz2121 wrote:

I stuck another 15 ltrs in the 306 (veg/sunflower mix) the other day had about a litre of aging lawn mower petrol i threw in also .....
Brimmed it off with about 21 or 2 ltr diesel  on what was already in there................
Only thing Ive notest is an occasional miss ....
But this is first use in mornings or later on in the eavning after sitting for many hours and the ambiant temp has been close to zero and yesterday I had left the car for about 6 hours in town in Ayr .....
On our return we had a definite touch of frost on roof..........
Dash/outside temp said -0.5 ....
On leaving town someone had been knocked down and we sat for ages also diverted ....
Outside temp  showing a low that I saw of -2.....
No starting issues or running for that matter just an occasional miss/stumble on tick over when engine is cold (no heat in heater) ...........
(But she has done 212,000 and probably wants injectors)


Yea sounds like my XUD9 Bosch. Sounds much better than my DW8 with retrofitted Bosch pump and Lucas injectors.

Your 306 is DW8 Bosch right? Is it factory, therefore Bosch injectors?


2000 Citroen Dispatch 1.9TD XUD9 Camper Conversion + full time home
1999 Citroen Dispatch 1.9D DW8 Disassembled Camper Conversion
1996 Peugeot 806 1.9TD XUD9 Spare vehicle
1998 Citroen Synergie 1.9TD XUD9 Snapped timing belt

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#35 2019-11-16 15:59:44

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 530

Re: Diesel Additives

kenbw2 wrote:
OAT wrote:

I have used 2-ehn as recommended above for the first time in my current 60/40 tankful.

60:40 which way? You're really going for it now aren't you

60% veg.  Was a miscalculation first time but ran ok.  Couple of degrees frost the other morning but started no problem.  More white smoke the colder it is but soon clears.  No smoke or hardly any if over 6-8 degrees.

Just need you home to help with the secondary tank set up now.  smile

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#36 2019-11-16 17:22:12

vaz2121
Member
From: SW. Scotland
Registered: 2015-08-31
Posts: 924

Re: Diesel Additives

kenbw2 wrote:

Yea sounds like my XUD9 Bosch. Sounds much better than my DW8 with retrofitted Bosch pump and Lucas injectors.

Your 306 is DW8 Bosch right? Is it factory, therefore Bosch injectors?

The 306 has factory Bosch pump and therfore Bosch injectors would certainly be the assumption .............
(Sounds different to a DW8B with Delpi/Lucus pump)

Although as said somewhere The Perkins Prima that I've got has Bosch pump and what I'm led to believe are lucus injectors from factory..........
Two things I'd say 1. Factory was via BL 2. Earlyish direct injection motor (Being 1989)............

Mind you 306 is French alegedly (It has PSA Coventry company Reg I'm suspicious it was built there in old Rootes Factory) ...............

In late Ninties I went to Corby quite a bit and there was a hell of a lot of Peugeots stored on old steel plant land.................

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#37 2019-11-22 23:46:28

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 530

Re: Diesel Additives

Crisp And Dry Vegetable Oil
1/2 price at Tesco £1.75 for 2L

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#38 2019-11-23 13:02:17

kenbw2
Member
From: Anywhere the van takes me
Registered: 2017-11-26
Posts: 586

Re: Diesel Additives

OAT wrote:

Crisp And Dry Vegetable Oil
1/2 price at Tesco £1.75 for 2L

Check Farmfoods, they usually have 10 litre bottles 2 for £16 (80p a litre)

Combine with the vouchers on their site and you get near enough 10% off

https://www.farmfoods.co.uk/pdfs/farmfoods_voucher.pdf


2000 Citroen Dispatch 1.9TD XUD9 Camper Conversion + full time home
1999 Citroen Dispatch 1.9D DW8 Disassembled Camper Conversion
1996 Peugeot 806 1.9TD XUD9 Spare vehicle
1998 Citroen Synergie 1.9TD XUD9 Snapped timing belt

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#39 2019-11-24 20:05:04

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,620

Re: Diesel Additives

Casper wrote:

Driven sensibly at legal speeds or just below i am now getting a average of 38mpg and i am now down to one cap full to £20 diesel. The bottle will run out soon but even if i run a bottle threw once a year then i would think its well worth it

Not used the additive for a good 5-600 miles and still getting 38 pushing 39. This is not driving Miss Daisy either.

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#40 2019-12-11 15:35:55

Hadnot
Member
Registered: 2019-12-09
Posts: 1

Re: Diesel Additives

Those are pretty good results, right? Can you think of any way of improving that mileage?

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#41 2020-01-13 11:43:30

RedSquirrel
Member
Registered: 2020-01-12
Posts: 15

Re: Diesel Additives

When I visited an injector specialist, he showed me what components looked like after running on veg oil. My van is too important to risk, it earns my wages, so I’ll take the hit with the DERV. 275K and it’s still going.

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#42 2020-02-11 23:05:59

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,620

Re: Diesel Additives

Still not using the additive and still getting an 38 average probably down to 35/6 round town however i was impressed yesterday. Had to do a dash from East lothian down to Lancaster as the wifes train home were cancelled. First 90 miles was 60 zones and some snow so not pushing it but when i got onto the motorway i was doing another 100 miles and just sat on 70-80 all the way down. Probably the best of that was at 80 till i got to large hills. Trip home even though wet and snow at times i was still averaging 70 then when i hit the A702 it was white so had to take some of that easy. Van averaged 34.64 what i was impressed with. This was me and the dog (Rottie) and all my gardening tools in the back. On the way back add wife and luggage.

I am quite chuffed at that big_smile

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#43 2020-02-13 03:48:19

kenbw2
Member
From: Anywhere the van takes me
Registered: 2017-11-26
Posts: 586

Re: Diesel Additives

34.64 MPG when giving it all it's got (80mph for a DW8 is all it's got of course) is pretty good going - I'd be pleased with that


2000 Citroen Dispatch 1.9TD XUD9 Camper Conversion + full time home
1999 Citroen Dispatch 1.9D DW8 Disassembled Camper Conversion
1996 Peugeot 806 1.9TD XUD9 Spare vehicle
1998 Citroen Synergie 1.9TD XUD9 Snapped timing belt

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#44 2020-02-13 11:58:21

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,620

Re: Diesel Additives

kenbw2 wrote:

34.64 MPG when giving it all it's got (80mph for a DW8 is all it's got of course) is pretty good going - I'd be pleased with
that


My bad  lol


20190520-162043.jpg

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#45 2020-02-13 17:07:27

kenbw2
Member
From: Anywhere the van takes me
Registered: 2017-11-26
Posts: 586

Re: Diesel Additives

Yea I think I got that downhill with the wind behind me on the Autobahn once. That said, I did have the earlier 68hp one - maybe those 2 extra ponies help in the DW8B!

Yours runs a bit cooler than mine though.

Last edited by kenbw2 (2020-02-13 17:09:02)


2000 Citroen Dispatch 1.9TD XUD9 Camper Conversion + full time home
1999 Citroen Dispatch 1.9D DW8 Disassembled Camper Conversion
1996 Peugeot 806 1.9TD XUD9 Spare vehicle
1998 Citroen Synergie 1.9TD XUD9 Snapped timing belt

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#46 2020-02-14 00:32:22

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,620

Re: Diesel Additives

kenbw2 wrote:

Yea I think I got that downhill with the wind behind me on the Autobahn once. That said, I did have the earlier 68hp one - maybe those 2 extra ponies help in the DW8B!

Yours runs a bit cooler than mine though.

Now you saying that i also had the older model ant that only seen 90 once on a big hill on the A1. 85 had it gasping for air. That temp gauge is high to me but probably due to the speed. It normally just sits on the 70 and never moves all day.

Think i have a break fluid leak. Light flickered and i put about 400ml in to top up to max. That or i need pads but 400ml seems a lot for worn pads. Ill get under for a good look if it ever stops raining.

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#47 2020-02-14 21:23:22

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 530

Re: Diesel Additives

Sunflower Oil £3.50  for 5L at Tesco.  smile

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#48 2020-02-14 22:22:09

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,620

Re: Diesel Additives

OAT wrote:

Sunflower Oil £3.50  for 5L at Tesco.  smile

To many people saying dont with this pump. I would change to Bosch if i knew the ECU would not spit the dummy but i may throw the odd 5lt in with a full tank come summer and once that has cleaned the pipes out slowly take that up to 10lt

Last edited by Casper (2020-02-14 22:22:41)

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#49 2020-02-15 01:12:59

kenbw2
Member
From: Anywhere the van takes me
Registered: 2017-11-26
Posts: 586

Re: Diesel Additives

Casper wrote:
OAT wrote:

Sunflower Oil £3.50  for 5L at Tesco.  smile

To many people saying dont with this pump. I would change to Bosch if i knew the ECU would not spit the dummy but i may throw the odd 5lt in with a full tank come summer and once that has cleaned the pipes out slowly take that up to 10lt

I reckon you'd be reet up to 50:50 even with the Lucas, especially in the warmer months.


2000 Citroen Dispatch 1.9TD XUD9 Camper Conversion + full time home
1999 Citroen Dispatch 1.9D DW8 Disassembled Camper Conversion
1996 Peugeot 806 1.9TD XUD9 Spare vehicle
1998 Citroen Synergie 1.9TD XUD9 Snapped timing belt

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