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Terraclean

I bought my '86 944 NA a few years back from someone who actually carries out the de-carbonising/cleaning system and had done it on the 944. It certainly seemed sharper on pick up than some of the others I test drove at the same time - but the biggest thing I have noticed since is that the engine oil NEVER seems to get dirty - I change it once year (limited 3000 miles classic car ins), but it looks like new oil coming out of the bottom of the engine! Oh and it never burns a drop - but I can't necessarily put that down to the cleaning system....
....but then of course I didn't have to pay to have it done....:)
 
I had this done on my 928 and it does seem sharper and smoother - but that could be the placebo effect!
I don't think it was particularly bad to start with but, for the relatively low cost of the treatment, thought I might as well get it done. The chap who did it commented how smooth the engine was running[:)]
Btw, we have 2 911s and we're not snooty.....[:D]
 
I'm being unfair, I guess the scary rear-engined handling means you daren't take your hands off the wheel to wave back [:D]

For under a ton it seems worth a try. I did notice the oil was pretty dirty at the last change.
 
We've discussed it here before, after Edd (Copperman) had it done on his S2.

https://www.porscheclubgb.com/forum/tm.aspx?m=758297&high=terraclean

The concensus was that it was a very simple old (and cheap) mechanic's trick being packaged up and re-sold with a lot of expensive marketing guff. And while I hate to disagree with Russell, the science is as far from being plausible as it's possible to get and one of the main hints that this is all smoke-and-mirrors.

I've read elsewhere that spraying a fine mist of water into your air intake can have much the same effect which is steam-cleaning of the combustion chambers. A litre or so sprayed from a hand-held plant sprayer over a period of 2 or 3 minutes would do the job nicely.


Oli.
 
...the biggest thing I have noticed since is that the engine oil NEVER seems to get dirty - I change it once year (limited 3000 miles classic car ins)
Click to expand...


No wonder it never gets dirty - it’s unsurprising with that low mileage [8|]
 
Ru2S7 said:
I'm being unfair, I guess the scary rear-engined handling means you daren't take your hands off the wheel to wave back [:D]
Click to expand...
I'll make sure I'm in the 928 the next time we pass on the road then.......[:)]
 
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