Thread: Adding 2 stoke oil to your diesel

Originally Posted by Jim.

Hi all,

I have been running 300ml 2 stroke per full tank of deisel (300 TDI) for at least a year. My vehicle runs smoother and quieter on this mix. Give it a go, you will be amazed at the difference it makes.

Regards to all Jim

Performance/economy?

Originally Posted by Jim.

Hi all,

I have been running 300ml 2 stroke per full tank of deisel (300 TDI) for at least a year. My vehicle runs smoother and quieter on this mix. Give it a go, you will be amazed at the difference it makes.

Regards to all Jim

Did it take a few tank loads of diesel with the oil in it to notice a difference?

Hi all,

The difference is noticable from the moment you drive out of the service station. As for performance and economy the motor seems to run smoother and quieter. I have never really checked the economy properly, however I generally get 800km per tank.

Regards to all Jim.

Placebo effect.

Originally Posted by bob h

So long as it is a TCW3 rated oil. Apparently, from what I have read on other forums, and also that Yamalube [for yamaha outboards] is the best. Under N O circumstances should ordinary 2stroke oil be used. Bob

Originally Posted by LOVEMYRANGIE

Marine 2 stroke is thinner and burns cleaner than normal 2 stroke mainly for emissions and marine 2's run cooler having a constant cold water feed for cooling.

[snip]

As you said, a TCW3 oil is designed for engines running much lower revs than bikes, saws, etc and much lower combustion chamber temps.

I've never heard the argument that Bob's repeated above re TCW3 oils though.
While JASO FC/FD air/water cooled injector bike oils have low flash points too, (often around 70-90*C) the additives used are designed for much higher combustion temps than outboard motors.
If you use a TCW3 oil in an air cooled two stroke you will have problems with the additive package, although i can't recall ATM exactly what will happen.

Race style two stroke brews have flash temps upwards of 200*C.

Good diesel additives like Redline RL2 use an ashless ester (two stroke) oil as part of the package to enhance fuel lubricity.
I used RL2 consistently for years, as well as straight two stroke (Castrol TTS) when I ran out of RL2 and can't say the engines performed any differently with or without, although the dedicated fuel additive helped the Patrol (IDI engine) when running/starting rough from using farm fuel or dodgy fuel station fuel.

IMO there is more much more variation in performance from the change in daily temps between morning, mid day and evening or even how I feel.
Had to drive 100km yesterday to a training seminar and left home at 7:30 and the car went like a rocket, smooth and powerful (for a Tdi).
Left Tamworth at 4:00 and I felt like crap, headache, could hardly see, etc form watching PP presentations all day long and the car and engine felt like crap the whole way too, rough, vibraty, jiggly, harsh and just plain yukky.

Im using Chemtech's "Diesel Power" fuel additive. It says it contains: 770g/L liquid hydrocarbons ?
I dont use it on every tank fill, but when I do. Im amazed that the motor seems quiter on start up when ever I add it to a tank fill. Cant say if there is any better economy or such. I mainly do it to fight algae and bacteria growth.
Its added at a minimum rate of 1ml to 1 litre of fuel and looks a lot like 2stroke oil. But smells nothing like it.
P.S. Never smell it.

Been putting in 2 stroke for the last six months. No noticable improvement in economy however it runs quieter.

IMO there is more much more variation in performance from the change in daily temps between morning, mid day and evening or even how I feel.
Had to drive 100km yesterday to a training seminar and left home at 7:30 and the car went like a rocket, smooth and powerful (for a Tdi).
Left Tamworth at 4:00 and I felt like crap, headache, could hardly see, etc form watching PP presentations all day long and the car and engine felt like crap the whole way too, rough, vibraty, jiggly, harsh and just plain yukky.

PLACEBO EFFECT Rick
Andrew