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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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Which petrol is best?Views : 1332 Replies : 16Users Viewing This Thread : |
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Mar 29th, 2012, 21:12 | #11 |
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Location: Hackensack
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Hello, To ASt85, Marvel Mystery Oil is a penetrating oil of sorts. It is said to dissolve gunk from your intake system when added to fuel and do the same to your lubrication system when added to your crankcase oil. A few fellows on the oil board I read were extolling its virtues. They claimed it improved mileage and prevented stratification of alcohol in today's gasoline. I gave it a try. I must say I was doubtful. In my own defense; I found some at a moving sale for pennies. The best thing about MMO, as I see it, is the old time artwork on the can. It would make a great tee shirt. Kira
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Mar 29th, 2012, 22:51 | #12 | |
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Quote:
Morissons does have a very high level of Bio diesel I prefer to stay away from the stuff But i like many, add a good shot of 2 stroke oil to a tank.This works well on most cars so i presume the Volvo also. |
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Mar 29th, 2012, 22:59 | #13 | |
Rodney
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Quote:
I wouldnt fancy putting 2 stroke oil in with my diesel though.I think Volvo recommend nothing should be added, although it is a new car so it may be ok for older ones? Regards |
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Mar 30th, 2012, 03:06 | #14 |
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I usually use either Morrisson's garage as its close by or Tesco's. I must admit that I had completely forgotten about Volvrocks pointer/reminder about the branded fuel v supermarket comparisons.
THANKS and thanks to georgeandkira re MMO Maybe it is worth using one of the brand names; the saving on increased mpg and cleaner burn, is probably be more worthwhile than savings made on fuel in the shorter term! I used to put half a pint of paraffin into a full tank of petrol every so often to keep the injectors clean in Vauxhall Carltons I had in the 80's and 90's, but use cataclean & etc. every so often these days - I don't know if it really does make any difference, but the V70 seems to run more smoothly after treating, as did the 850.
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The saddest moment is when the one who gave you the best memories....becomes a MEMORY V70 SE 2004 2.3L T5 Geartronic, C70 2005 2.0T Automatic, Sold 2.4l 20 Valve Automatic Torslander Sold 854 GLT 20v Auto |
Mar 30th, 2012, 07:46 | #15 |
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I tried paraffin as well. Great on a Old Land cruiser, but that can run on nails !
Do a search about adding 2 stroke oil and see whats going on |
Mar 30th, 2012, 18:25 | #16 |
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I understand that over time if you mostly use the premium stuff it might help keep the engine in better condition and is preferable to using other kinds of aftermarket additive - I seem to remember "Honest John" column in the Telegraph saying it was a good idea for a car you own yourself and intend keeping. The theoretical benefit to fuel economy is about 3 to 4 % therefore very hard to notice the difference since most of us probably don't have perfect consistency in applying the right foot to the loud pedal. The extra power depends on the engine management anyway and the way it deals with ignition timing for any given fuel, and probably doesn't make any difference when the engine is working under normal moderate load. A quick "google" will bring so many contradictory opinions, some seem to have lodged in my brain, but I really doubt if any actually knows because the way cars are used varies so much that a true long term assessment is difficult. Most people seem to buy it (as do I ) purely because they have a slight impression that their car runs a little better and that is likely a psychological effect anyway. I seem to remember the best I ever found was some 100 octane stuff on a journey in Germany... now that really did make a difference ! And I will carry on buying the expensive stuff just because I fell for the marketing and think I am doing the right thing for the car :-)
Last edited by Grufflybear; Mar 30th, 2012 at 18:29. |
Mar 30th, 2012, 19:09 | #17 |
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I previously ran a SAAB 95 Aero and it was advised to use "super" i.e. 97/8 RON. It would run perfectly well on 95 but the adaptive ECU would knock back the power (not that you could notice).
I have a mate who is a tanker driver - he tells me that the deliveries to the branded forecourts and the supermarkets all come straight from the same depot - make of that what you will. |
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