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V10-downunder

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Discussion starter · #1 ·
Hi All,

Very positive experience I would like to share with anyone driving a Diesel powered vehicle.

My V10 has just turned over 101K, fuel efficiency was starting to look sick, ave 14lts/100K and going up. I also have excessive plumes of Diesel smoke coming out of the exhaust system.

It's more evident at night with the lights from the rear vehicles making it embarrassing, I was worried that some one would report it to the EPA and hen you could cop a hefty pollution fine.

This was picked up by a Mate tailing me home from a recent long weekender. However, I had noticed the problem at night and it's not pretty.

I started researching about injectors, how to clean them, replacing them and looking to discover what could go wrong. Have I sucked Dirty air in, has this caused excessive wear on the Pots, rings, all sorts of things go
through your mind. A common problem with Petrol engines is the wear of valve stem seals.

All I could think about was the dollar signs going up and up, my
vehicle is now out of it's extended warranty.

So you may ask, what did you do or are about to do to fix the issue:-

So I did some research and found Lucas upper cylinder lubricant and
detergent for Petrol and Diesel Fuel. You may ask why I picked this one. The Lucas product does not have Cetane added.

Cetane is a octane booster, don't really need more boost on the V10 and it just takes up space in the bottle. I also wanted to look at the cleaning
properties and feel the change rather then the change created by the Cetane.

I read a number of articles, Cetane is added to make you buy a brand,
because it provides that boost and wow factor!!


But I had a problem, I just don't believe in additives, don't ask. However a
friend works in Defence, they add additives to prolong engine life and keep
them clean and run cleaner, he said to me, are you Stupid, go and buy some.

So I rushed out of work early one evening, popped down to Supercheap, $19 later and 100mL (40oz +/- 40 oz ) in tank just before a refill. Wow, Wow and Wow, absolutely Blxxxy amazing results.

Well a week later, the V10 runs smoother, completely stopped blowing plumes of spent Diesel exhaust fumes and the city efficiency is back to 11.8L/100K with worst case 12L/100Km. A trip to Ballarat last weekend got the efficiency down to as low as 9.8 to 10.1L/100K long term.

# Is it worth $19, absolutely.
# Would I recommend it, absolutely.
# Would I use it in every tank, yet to be decided, but I think yes.
# Will it help engine efficiency, absolutely.
# Is the effect almost immediate, yes.
# Will an additive hurt the engine, Absolutely no way.
# Is it used by others, absolutely Yes. LR put a small portion in my business Partner's Disco 3 upon each service. Still not a nice vehicle to drive.

My V10 is even more enjoyable to drive, it's smooth super quick, efficient
as can be and clean again, just needs a wash now.

I am sold on additives, but you need to do the research, talk to friends and spend time reading people's views.

I was going home last evening with my Son Joshua, and travelling down the ring road planting the foot, any exhaust smoke was very hard to spot.

This morning on the way to work it was 4 Degrees, I planted to foot, and no plume at all. Prior to the additive, it was embarrassing to a point I was starting to drive like Miss Daisy in a V10.

I need to add a small disclaimer at this stage, use at own risk, do your
home work.

Excuse the post format, it's some cut and paste from local chatter via private emails.

Regards

Gerald :D:D:D:D
 
thanks for sharing this Gerald, will try it out....good to know that its helped you with a good clean up inside.
keep us posted
 
I use Total Diecyl Plus diesel additive in my 2008 V10. "Multipurpose additive for diesel, specifically designed to lubricate the injection system and keep it perfectly clean; and improve the combustion properties of engine diesel fuels." A 500ml bottle treats 250 liters of diesel fuel (2 1/2 tanks for the Treg). Price ~$9.50 per bottle.
 
I'd be interested to see some research on this . I don't understand lubricate system when diesel fuel is a lubricant ? I understand improve combustion properties , clean, if nozzels could in fact get blocked at the pressure these injectors work at ? Gerald's experience is quite positive, I just don't understand why at only 100,000 k's Gerald would experience these issues, I didn't at 180,000 k's. All V10 without DSP will blow black smoke on acceleration, in fact all diesels will without DSP. White smoke outa diesels is a worry as this is usually a sign of two much fuel .

So why does the additive give better fuel milage? If injector unblocked, then more fuel ? What is the reason for better fuel economy, I would like to understand .
 
I was introduced to Lucas upper cylinder lube at on of my accounts who was an auto parts warehouse many years ago,when the counter people said to me this is the only additive you really feel work,I used Marvel Mystery Oil in an injector that used 1 quart per thousand miles,one of the engines had 135,000 miles and was overhauled by the purchasers Uncle,who said he has never seen valves so clean.I buy Lucas oil in gallon jugs for around$20.and refill the quart dispenser bottles,I add it every tank full,in both gas and Diesel vehicles,recently removed the heads from a GM Diesel with 210,000 miles,all was clean. I also use Howes Lubricator in the fuel on the Diesels.

Cetane is the ability of fuel to completly,low cetane creates smoke higher rating ,complete combustion and more power. Howe's also has lubricity additive.

Injector spray patterns on clean injectors are more uniform and create more efficient combustion,Marty
 
Thanks for the review!

Thanks to you guys, I decided to buy a large bottle of that Lucas stuff today, and use it on both my diesel Passat TDI, and gasser Touareg V8. In fact, I just filled up the EGG the full 100 liters a couple of hours ago, and added about 8oz-9oz of the Lucas stuff.

Curious to see if I will see any kind of improvement, particularly gas mileage.



 
There has been a discussion on this in another forum I read -
Caravaners Forum • View topic - Adding 2 stroke oil to Diesel Fuel
Interesting comments, and a good one from a VW owner :p If someone wants to volunteer their TDI to put 2 stroke oil in it I’d be interested in their results. That little sticker on the fuel cap has me scared enough not to try it.
 
Discussion starter · #10 ·
My wife was complaining her Golf 2 LTR TDI was running rough and in 2 occassions stalled. I followed her are night and the exhaust plume was also very noticeable.

I decided to add the recommended portion of Lucas Upper Cylinder Lubricant and Injector cleaner in Her Golf after a fuel up two days ago, and even She noticed a remarkable improvement.

Interesting reading about 2 stroke oil, but I think I will stick with the Lucas product for now.

VWdude, please let us know your experience, I guess you really need a good week to feel any affect if any at all.

As mentioned in my original post, a postive result may not happen in all cases. Certainly not new engines.

Regards

Gerald
 
Years ago, my mechanic (Benz specialist) used to add one quart of transmission fluid (ATF) to the tank of my diesel Merc Benz to clean the injectors.
 
I got some yesterday as well to try in my 98km 2005 V10. It seemed to me to be blowing excessive amounts of black smoke and I was feeling the same as Gerald. It seems to be running smoother already, but maybe thats the same feeling you get after you've washed and cleaned it and it's looking scmick. I will let you know how it goes after a couple of fills. I will also try some in my wife's non DPF (diesel particulate filter) 2.0 TDI Golf which also smokes and smells at first startup for the day.

I have owned many diesels and without DPF they all smoke, but with the non DPF V10, how much is too much? When should you start wondering if there is a problem with an injector, etc? I guess the other thing is how you drive. I've always understood it's good to give it a good steady high rev blast every now and then to clean things out. Driving conservatively with low revs all the time will clog up the exhaust and then when you do tramp it, all the loose soot comes out. Clouds and clouds of black smoke. The V10 will happlily sit at 1,200rpm around town all day and never go above 2,000rpm so that could be part of the problem.
Happy Tregging
Peter
 
For the V10 you basically have a truck motor ! I mean in size , small truck, but follow any older small truck and watch what happens when it is under load, Black smoke outa the exhusta ! When the metal is to the pedal on the V10 the fuel meter can be in the 30 ltres/100, that has got to make some smoke !
 
Myth about fuel additives

http://www.answerbag.com/q_view/1937918

It seems the general thinking is that Fuel additives for diesels work and additives for petrols are a waste of time and money.

I did a bit of a WEB search and it seems that additives might help in raising Cetane Rating, cleaning injectors , and cleaning DSP's .
Apparently diesel engines tests of additives is quite expensive and there are so many additives so I could not find any test data of the different products .
Did find test standards so this indicates that there is some science to this.
 
Just a quick update. I have now done about 3,000kms using the Lucas additive. Still smokes of course, but seems not as much. Also seems to run smoother, especially when hot? At $18 for 1LT which treats 600LTs of fuel it seems like a good investment. Maybe a little better fuel ecomomy especially on open road. On last tank did 10.4lt/100km which had about 70% highway driving including 3 trips up to Mt Tamborine south of Brisbane. Not bad for a V10. It loves the drive up the mountain. Now getting high 11's to low 12's around town. Best so far before additive was 9.7lts/100km on trip from Brisbane to Hervey Bay. Need to do that trip again, then across to Fraser Island.
 
I read there is plenty of free oil in the Gulf of Mexico. Bring your own bucket and spade :) !!
 
Is that why you are "Oilslurper"? :D - might get a couple of free birds with it as well. ;) In this harsh world it's good to have some humor as well.
 
I learned something recently that may be of interest. The exhaust has 2 pressure sensors that tell the system when to regenerate.
Recently, I had been dropping smoke bombs when I never had beefore and my exhaust tips were caked in black crud. It turns out one of my pressure sensors was bad and the dealer is replacing both under warranty. The only symptom they stated the driver would notice was excessive smoking and FWIW, this is heavy black smoke like you would expect from a 30yr old diesel vehicle who just stomped on the throttle.
I once bent an exhaust valve on an old VW Golf at a toll booth and that is the only time I have seen nearly this much black smoke.
 
US company, Stanadyne make a diesel fuel additive. Their claim to fame is they actually manufacture diesel fuel systems. I've been using the stuff for more than a year. Having said that my 3 x TDI's are very low in klms (all under 40K's), so I don't know about older donks and benefits from additives. I'm using the stuff to keep my system clean
 
US company, Stanadyne make a diesel fuel additive. Their claim to fame is they actually manufacture diesel fuel systems. I've been using the stuff for more than a year. Having said that my 3 x TDI's are very low in klms (all under 40K's), so I don't know about older donks and benefits from additives. I'm using the stuff to keep my system clean
The Stanadyne stuff is what many VW dealers sell for the TDI's here in Canada.



 
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