flushing oil

Looking on the web ,flushing oils are for sale in small quantities .I seem to remember buying 5 ltr and replacing all the old oil ,then add flushing oil and run the engine for a while to circulate it Len

That's correct Len.
Old oil out and flushing oil in. It contains cleansing ingredients to remove gum and tar. 
I would leave the old filter on for the flushing oil and replace it with the new oil.
Follow the instructions for the flushing oil.

Did I read,someone recommended to add SLIK to the new oil ,when Ive finished flushing .Len

I have always been a little concerned about flushing oil. There is always some oil left in the sump after an oil change. So now there will be some flushing oil left in the sump. What will that so to the new oil that is used? I have seen an oil change done using a pump and hose put down the oil level tube that sucked up some very nasty sludge.

Never done it myself but heard that some put in a cheaper oil for a few miles before changing to the preferred oil for the longer term.
The theory is that anyhing loosened after the flushing change is disposed of with the first change. Might put your mind at ease and reduce the flushing oil concentration even further..

If a flush is required, I normally use a high detergent engine oil for diesel engines of the correct specification range as a flushing oil . I just put it in, give the car a good run and then change back to normal oil.
But only on engines that have had their oil neglected and filthy, I figure that after that abuse  it can only be an improvement!
And always use a new filter!

As I said I removed the old black oil after getting the engine warm and refilled with 5 ltr  of flushing oil  I then ran the engine for about 15 minutes ,giving the throttle the odd blip ,however after 3 to 4 minutes the engine ran better you could hardly hear the tappet .After the 15 minutes I drained the flushing oil and refilled with fresh good quality oil ,I al fitted a new oil filter which was a real problem ,it just wouldn`t undo so I used mu usual method of driving a screwdriver right through the old filter .I had to do this three times to get it to unscrew  Now the engine is a dream I wouldn`t have thought it would work so quickly ,but with so many members saying how to do it I had faith !!!  CAN SOMEONE TELL ME IF YOU VAN INCLUDE A VIDEO ON YOR POST .I`ve tried twice but only the photo appears Len

Well done for completing the flushing job. Would it be possible for you to tell me what brand of flushing oil you used, as I have to undertake the same job soon. Thanks Glyn.

Hello it was as shown in   photo TORTEC off Ebay I bought the new oil off Amazon which was Mannol 10W -40 Len

I’ve used Mannol for quite a while, first on the Land Rovers, gearbox initially, on recommendation, this had a noticeable & beneficial effect.
It is less expensive than other offerings, which means my more regular change regime isn’t as injurious to the wallet.
It is often said that cheap oils are rubbish, some may not be as “Rock & Roll” as others, they all, however have to be manufactured to a standard specification.
In all probability “Manufactured” is the wrong word, blended is more appropriate. A standard oil will be bought in & the witches & wizards will throw stuff in. Copper & zinc were favourite with Duckhams, that’s why it was green.
Hum!
M