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#1 2019-09-22 23:21:43

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,417

Diesel Additives

Had a bit of a dirty injector and a friend suggested this stuff to me as redex is just errrr, shit.

https://www.ebay.co.uk/itm/HYDRA-Diesel … 2749.l2649

Its like a new van. Two caps full to £20 of diesel and its almost instant but the injector cleared, van is quieter and smoother. I put a few caps in my Convoy as well and again, Night and Day. Going on a 200 mile run in two weeks so will see if i can get better than my 35mpg average but even if not its woke both my vans up.

Highly recommended.

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#2 2019-10-27 14:22:59

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,417

Re: Diesel Additives

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

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#3 2019-10-27 14:57:26

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 396

Re: Diesel Additives

Running 50/50 veg at the moment so may give occasional dose to mine.

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#4 2019-10-28 11:20:06

kenbw2
Member
From: Bradford/Preston/Anywhere
Registered: 2017-11-26
Posts: 471

Re: Diesel Additives

OAT wrote:

Running 50/50 veg at the moment so may give occasional dose to mine.

You've taken the plunge! How's it going?


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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#5 2019-10-28 15:52:22

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,417

Re: Diesel Additives

OAT wrote:

Running 50/50 veg at the moment so may give occasional dose to mine.

Apparently i have the wrong pump

20190428-145746.jpg

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#6 2019-10-29 02:48:53

kenbw2
Member
From: Bradford/Preston/Anywhere
Registered: 2017-11-26
Posts: 471

Re: Diesel Additives

Casper wrote:
OAT wrote:

Running 50/50 veg at the moment so may give occasional dose to mine.

Apparently i have the wrong pump

https://i.postimg.cc/s2710qs2/20190428-145746.jpg

DW8 Lucas? GRIFFIN runs his on 50:50 and it seems to be happy


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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#7 2019-10-29 10:19:50

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,417

Re: Diesel Additives

kenbw2 wrote:

DW8 Lucas? GRIFFIN runs his on 50:50 and it seems to be happy

Aye, just arm myself with a few spare filters and away i go? How many miles you been running veg oil Griffin and any issue?

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#8 2019-10-30 01:57:33

GRIFFIN
Member
From: DURHAM
Registered: 2019-03-16
Posts: 89

Re: Diesel Additives

Run my Multipla on 50/50 for years with no issues whatever. Ran my Scudo on 50/50 again without issue, now running my Dispatch on 50/50 and again no issues. Not sure why you would need to change the fuel filter especially because of using veg though. Only changed it once in the Multipla and covered many thousand miles, changed it in the Scudo when I first bought it but haven't changed the one in the dispatch yet despite having bought one.

Mileage seems to be the same as pure diesel, as does power and performance. I must say as a precaution, I tend to use pure diesel in the coldest 3 or 4 months of the year but I don't go far and have a little petrol car for round the doors. I haven't had any problems but I've heard it can cause waxing in the fuel lines and difficulty starting in the cold.


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

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#9 2019-10-30 02:24:09

vaz2121
Member
From: SW. Scotland
Registered: 2015-08-31
Posts: 696

Re: Diesel Additives

I've had 50/50 mix in 306 for most of this summer and have been toping off lately with just diesel so probably 60/40 ..... 70/30 or there about at mo and No cold morning starting issues as yet but probaly giving pump work out first thing (Bosch)............

Handy to know that a 50/50 mix is OK with Lucas (delphi) pump as apart from maybe 15 ltr or so into a full tank (On very very few occations) and never in this van.
I've steered clear with those pumps

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#10 2019-10-30 08:13:28

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,417

Re: Diesel Additives

Yeah i was the same. Told and read that Lucas/Delphi was a big no no. Ill give it a bash later. Starting to get cold here now (Coastal town) so might wait till weather changes again. As for changing filters Griffin on the facebook page i use folk with the older LDV pilots what use almost the same engine and the banana engine Convoy can all use oil. The ones that do have issue to start with  with the oil cleaning the tank and lines so clogging the filters.

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#11 2019-10-30 10:14:14

vaz2121
Member
From: SW. Scotland
Registered: 2015-08-31
Posts: 696

Re: Diesel Additives

Casper wrote:

Yeah i was the same. Told and read that Lucas/Delphi was a big no no. Ill give it a bash later. Starting to get cold here now (Coastal town) so might wait till weather changes again. As for changing filters Griffin on the facebook page i use folk with the older LDV pilots what use almost the same engine and the banana engine Convoy can all use oil. The ones that do have issue to start with  with the oil cleaning the tank and lines so clogging the filters.

Lucas (Delphi) pumps get and always have had a bad rep compared to a Bosch but I think I'd still have it (I do) over some of the latest common rails.............

Saying that a mechanic Friend/acquaintance a year or so ago bought a shi**y old 1.7 DTI Corsa C ......... Which I thought Stange at time.......

But turns out he filtered Old engine oil and gave it a mix of about 70/30 and apart from doing minimum to keep within Law and hedges he got in region of 7...8,000mls (Still running sweet as a nut) before expiring wih rotten rear chassis legs and busted screen at Mot time .........
I dear say had it been less effort to get through it would still be here...............

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#12 2019-10-30 13:11:15

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 396

Re: Diesel Additives

I have been increasing to 50% + veg mix over the last couple of months.  Very surprised to find that even with the first frosts of the year, it still starts on first turn even at 60%+.  I didn't intend to go that high with the veg but miscalculated what diesel was in the tank.

Instead of my normal even tickover at startup, I get a very hunting sounding tickover with a pronounced brum, brum, brum, until warmed up.  I will be reducing the mix though at least for winter.

Definite loss of power at tick over even when warm but not noticeable at higher revs.  Not checked consumption carefully but would expect up to 4% reduction due to the veg oils inherent lower caloric value.

Interesting diesel - veg comparison tests here:-

https://www.sciencedirect.com/science/a … 211830014X

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#13 2019-10-30 22:19:50

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,417

Re: Diesel Additives

OK lets see how i get on. I need to go to Tesco first thing the mora for fuel. Ill put £20 what is 15-16lt I see they have 5lt veg oil for a fiver on the nose so ill put one in. Think this will be a weak 75/25 with what is in the tank but probably best for this time of the year as we have had frost in the mornings already.
Did i read correct these vans are 80lt tank? if so that is a potential £10 saved per tank doing 50/50 at today's prices.

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#14 2019-10-30 23:35:00

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 396

Re: Diesel Additives

Has been £3.50 for 5L here in N Yorkshire.

Long life and vitamin C fortified too.  smile

Last edited by OAT (2019-10-30 23:37:15)

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#15 2019-10-31 00:04:03

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,417

Re: Diesel Additives

OAT wrote:

Has been £3.50 for 5L here in N Yorkshire.

Long life and vitamin C fortified too.  smile

What your Tesco? Tesco are Bas@*$#?. I have one in my town what is quite an affluent area. I have another some 8 mile away in a dump of a town and there are a lot cheaper than us. I kind of noticed this before but just the odd item. I was diagnosed as Coeliac last month and everything gluten free is bloody expensive. Was in the lesser tesco big_smile looking at the free from range the the price difference can be up to 50p on a pack of cereal or 30p on biscuits. Unfortunate they and Aldi are the main stores so have no choice but use Tesco but i hate them with a passion.

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#16 2019-10-31 13:41:43

kenbw2
Member
From: Bradford/Preston/Anywhere
Registered: 2017-11-26
Posts: 471

Re: Diesel Additives

The 5 litre things come up on offer every now and then, I hoard them when they do. At the moment Asda is the cheapest, at 76p a litre - get the KTC 5 litres at £3.80

OAT wrote:

I have been increasing to 50% + veg mix over the last couple of months.  Very surprised to find that even with the first frosts of the year, it still starts on first turn even at 60%+.  I didn't intend to go that high with the veg but miscalculated what diesel was in the tank.

Instead of my normal even tickover at startup, I get a very hunting sounding tickover with a pronounced brum, brum, brum, until warmed up.  I will be reducing the mix though at least for winter.

Definite loss of power at tick over even when warm but not noticeable at higher revs.  Not checked consumption carefully but would expect up to 4% reduction due to the veg oils inherent lower caloric value.

All sounds very normal, don't worry about it. I found that it's not that the pump is struggling to deliver the fuel, it's that the fuel just doesn't combust in the chamber as well when it's cold (you should see plenty of unburned coming out the back for the first couple of minutes).

My brother (Firemoth) has the same XUD9/Bosch pump and he's on 100% even now.

Always helpful to see scientific studies. Note that this is biodiesel, which isn't necessarily the same as straight veg oil. It's generally thinner and more like diesel.

Last edited by kenbw2 (2019-10-31 13:44:08)


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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#17 2019-10-31 14:18:38

Firemoth
Member
From: Bacup, Lancashire
Registered: 2019-07-05
Posts: 41

Re: Diesel Additives

I'm running 100% no bother. Farmfoods is the cheapest. 10 litre bottles are 2 for £16, and vouchers can be printed from the internet for up to 10% off. Although this is soya oil which isn't as good as rapeseed or sunflower for temperature resistance.

I get a bit of hunting from a cold start, maybe 10 seconds at most, then it settles to a smooth idle. I get this at ANY ambient temperature though. If you're having further problems, check the clear fuel line for air. The filter housings are known weak points for air ingress, but it's worth replacing the seals as it's a heated filter housing. There's also the "penny trick" to make it a permanently heated housing and not by thermostat (it's own thermostat, not the coolant one that the housing is mounted on)

I add 2ehn to a 1:1000 ratio normally, or 1:500 when I'm feeling giddy boo (heavy towing etc) which helps cold starts, and the loss of power and economy from using veg - it raises the cetane back to roughly what diesel is.

I'll start consider adding diesel at around -3 degrees, then add maybe 25% Derv, but it doesn't need any more than that


If in doubt, give it a clout!

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#18 2019-10-31 16:54:25

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,417

Re: Diesel Additives

Well in the end i never bothered. Was reading some web sites and posts in the Vegetable oil diesel forum and there were to many stories against running a Lucas, Delphi pump in oil. Tesco this morning never had any 5lt tubs just 3lt at £3 so thought, nah, must be an omen so chickened it. Friend mechanic also says no so yet to be convinced.

Last edited by Casper (2019-10-31 16:56:18)

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#19 2019-10-31 21:30:56

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 396

Re: Diesel Additives

£4 for 5l at Morrisons.

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#20 2019-10-31 21:35:10

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 396

Re: Diesel Additives

OAT wrote:

https://www.sciencedirect.com/science/a … 211830014X

Always helpful to see scientific studies. Note that this is biodiesel, which isn't necessarily the same as straight veg oil. It's generally thinner and more like diesel.

Sorry, posted the wrong link.  The other compared diesel,  bio, veg and recycled veg.  Will post when I find it.

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#21 2019-10-31 21:58:54

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 396

Re: Diesel Additives

OAT wrote:

https://www.sciencedirect.com/science/a … 211830014X

Always helpful to see scientific studies. Note that this is biodiesel, which isn't necessarily the same as straight veg oil. It's generally thinner and more like diesel.

Sorry, posted the wrong link.  The other compared diesel,  bio, veg and recycled veg.  Will post when I find it

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#22 2019-11-02 00:44:14

Firemoth
Member
From: Bacup, Lancashire
Registered: 2019-07-05
Posts: 41

Re: Diesel Additives

Casper wrote:

Well in the end i never bothered. Was reading some web sites and posts in the Vegetable oil diesel forum and there were to many stories against running a Lucas, Delphi pump in oil. Tesco this morning never had any 5lt tubs just 3lt at £3 so thought, nah, must be an omen so chickened it. Friend mechanic also says no so yet to be convinced.

I wouldn't chance it with a Lucas pump. They're weak with diesel never mind veg


If in doubt, give it a clout!

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#23 2019-11-02 18:47:01

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 396

Re: Diesel Additives

Firemoth wrote:

I add 2ehn to a 1:1000 ratio normally, or 1:500 when I'm feeling giddy boo (heavy towing etc) which helps cold starts, and the loss of power and economy from using veg - it raises the cetane back to roughly what diesel is.

I'll start consider adding diesel at around -3 degrees, then add maybe 25% Derv, but it doesn't need any more than that

Thanks, interesting, I will give it a go.

Any particular source or brand for the 2ehn?  There must be plenty of fake stuff out there.

How many tanks to 1l of the stuff?

Your last line... did you mean you start adding 2ehn at -3?

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#24 2019-11-03 01:20:47

Firemoth
Member
From: Bacup, Lancashire
Registered: 2019-07-05
Posts: 41

Re: Diesel Additives

OAT wrote:
Firemoth wrote:

I add 2ehn to a 1:1000 ratio normally, or 1:500 when I'm feeling giddy boo (heavy towing etc) which helps cold starts, and the loss of power and economy from using veg - it raises the cetane back to roughly what diesel is.

I'll start consider adding diesel at around -3 degrees, then add maybe 25% Derv, but it doesn't need any more than that

Thanks, interesting, I will give it a go.

Any particular source or brand for the 2ehn?  There must be plenty of fake stuff out there.

How many tanks to 1l of the stuff?

Your last line... did you mean you start adding 2ehn at -3?

I get it from...... Emm.... eBay lol. Look got the ones plastered on hazard labels them be legit lol. No I always add 2ehn. The -3 is when I start thinking about pump diesel. It does fine on veg at least down to that. Possibly lower but I only bought this one last march and -3 was the lowest it's been. And started no problem


If in doubt, give it a clout!

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#25 2019-11-03 20:03:41

vaz2121
Member
From: SW. Scotland
Registered: 2015-08-31
Posts: 696

Re: Diesel Additives

OAT wrote:
OAT wrote:

https://www.sciencedirect.com/science/a … 211830014X

Always helpful to see scientific studies. Note that this is biodiesel, which isn't necessarily the same as straight veg oil. It's generally thinner and more like diesel.

Sorry, posted the wrong link.  The other compared diesel,  bio, veg and recycled veg.  Will post when I find it

I found this quite interesting also ...... That it  lends understanding to just some stuations/statements I'd come across through time................

Like the old Mercedes with an inline Bosch pump (regarded as ideal for veg) ........... Cut a long story short .......... It had been driven for many yrs and miles on Bio and it was Stated this is why it had burnt through the end of the pre chamber.............
Now I know extra heat is generated by having a Bio Mix  (It must have had many a long run under full load)

An acquaintance who had a 300TDI Discovery.... who went on to have engine issues and to be told it doesn't like veg ......
To understand the consept and effect that probably took 20,000 mls for his foibles to start to appear...........

He was running straight veg in a direct injection diesel......
That obviously had many a cold start ...... On being injected staight into cylinder allowed the raw veg to congeal and start gumming up his piston rings over time.............

I guess Actions have consequences

I'm all for the Bio-veg... waste oil usage to streach out resources ..............
However....... I have an issue where by growing corn of whatever nature for fuel purposes when their is so many people starving in the world..........

zero emission electric.............. where and how is lecy generated .......... Never mind where the Cobalt is mined and shipped too for processing and back for these zero emissions
       
     Nothing for nothing

Last edited by vaz2121 (2019-11-03 20:06:29)

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