How ToReviewsVW T4 Transporter Campervan

Using 2 stroke oil in your diesel VW Transporter

I have noticed some debate online about adding 2 stroke oil to diesel fuel. By adding a small amount of 2 stoke in around a 300:1 ratio, users are reporting a much smoother, quieter engine, and with less smoke from the exhaust.

Modern diesel fuel sold in the UK is ultra low sulphur diesel (ULSD), and sulphur was traditionally used to help lubricate the injection pump and injectors on a diesel engine. With ULSD, the thinking is by adding 2 stroke to the diesel, you are giving back the lubrication to the fuel whilst also have a cleaning effect on the engine too.

I have been pouring over the internet, everything from the usual VW T4 Forums and VW Facebook groups, through to Land Rover and Ford Transit forums, and I cannot find anybody who has a negative effect when using 2 stroke in their fuel mix. All of them report a quieter/smoother engine and less smoke.

Of course, there were a lot of people reluctant to give it a go, as they had modern cars or vans and were worried about warranty problems, which is fair enough. So some of you VW T5 owners might want to give it a miss on this occasion!

Its worth pointing out, you need a mineral based 2 stroke, not fully synthetic oil. It also needs to be low ash version too.

So as I have an old 2.4 diesel engine in the van, I thought lets give it a try. I sourced the two stroke oil from my local Morrisons and added a small amount to the diesel fuel in a 300:1 ratio. I then proceeded to take the van out for a good spin.

Well everything that had been reported on-line seemed to be true, the engine was much quieter, and seemed smoother at higher rev ranges. Surprising results for me, as I was a little bit sceptical to be honest!

You can buy the 2 stroke oil on eBay:

Carlube XSS010 2 Stroke Motorcycle Oil 1 Litre eBayCarlube XSS010 2 Stroke Motorcycle Oil 1 Litre - £13.39 View on eBay

It has been reported that you have to run through a couple of tanks of the diesel/2 stroke mix to allow the 2 stroke to have some chance of cleaning the engine and reduce any smoke. As mine only really smokes a little on start up, I am not sure I will see much difference here.

So having seen the benefits for myself, I am a convert, and will continue adding 2 stroke at fill ups. The average tank will need around 300ml of 2 stroke oil added for you to start seeing the benefits.

Let me know if you give it a go.

Tags
Carlube XSS010 2 Stroke Motorcycle Oil 1 Litre
Carlube XSS010 2 Stroke Motorcycle Oil 1 Litre
£13.39
View on eBay
Buy now on Ebay
Carlube 2 Stroke Mineral Motorcycle Oil 1L
Carlube 2 Stroke Mineral Motorcycle Oil 1L
£8.90
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Buy now on Ebay
Carlube 2 Stroke Mineral Motorcycle Oil 500ml
Carlube 2 Stroke Mineral Motorcycle Oil 500ml
£6.20
View on eBay
Buy now on Ebay
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3 Comments

  1. I’ve been running 2 stroke for a while now, (when I remember to put it in) my old van is a bit of a smoker.
    But recently I have replaced my bleed off pipes, all vacume hoses, blanked my ERG valve and my van is running the best it’s ever done.

    I have a 2001 2.5 tdi

  2. Tried the two stroke in my Citroen 1.6HDI with a lot of miles on the clock … wel…l its quieter and I get 2/3 more mpg …Screwfix do a litre bottle of low ash no frills mineral 2 stroke oil for
    £3.99. at the mo using it ,, great .

  3. I tried it on my old vw transporter and found the engine ran a little quieter. Had some black smoke on startup, but went away pretty quick and possibly a little less than normal (difficult to quantify).
    I’ll keep using it as I believe it’s beneficial, and certainly not harmful.
    Further online research relating to older T4’s backs this up, but I’d be much more wary on a newer vehicle and probably wouldn’t risk it.

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