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Post by Deleted on Aug 25, 2006 12:24:22 GMT
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Post by Roy of the Rovers on Aug 25, 2006 15:13:30 GMT
Some of that mixed with a bit of tetraboost and the p5 will be running just like when it was new!
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Post by Phil Nottingham on Aug 25, 2006 16:25:14 GMT
I'll stick with neat regular unleaded in both of mine
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Post by glennr on Aug 25, 2006 17:17:16 GMT
I thought you meant the 80's pop group. I'm dissapointed  |
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Post by dorsetflyer on Aug 25, 2006 19:50:49 GMT
That's interesting. If Shell produce that it'll knock the sales of 4 Star, which I think is about £1-45 a litre at the moment and is only 98 octane.
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Post by lagain on Aug 25, 2006 20:16:14 GMT
Mine runs better on unleaded than 4star and the bumper stayes clean
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Post by Deleted on Aug 25, 2006 21:00:17 GMT
Its really only of use if you have not retarded your ignition to run on 95RON unleaded, still if you don't mind re-tuning for this fuel, you should see a handy performance increase  of course you still need your additive.......or do you? Has anyone on this board suffered valve recession due to unleaded? Ian |
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Post by Phil Nottingham on Aug 25, 2006 21:16:16 GMT
Mine did too when I changed over to in 1999 - I must have done over 50K miles in since so its not relying on lead memory
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Post by Smallfry on Aug 25, 2006 23:06:34 GMT
No big news there..........Tesco have been doing 99 RON for over a year now, and its 98.9 PPL here.
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Post by Paul Harris on Aug 26, 2006 7:49:20 GMT
I've just returned from filling my P5B ready for the National. I usually use Shell Optimax (the Shell garage is at the end of our road, and the Rover is usually running on empty). They've replaced Optimax with V-Power, at £1.02 a litre. I'll let you know if it makes a difference, although I'm not sure what state of tune the engine is in, and the binding rear nearside brake (hopefully to be sorted today) probably doesn't help!
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Post by Deleted on Aug 26, 2006 10:04:42 GMT
Tesco! Supermarkets are ok for food, but personally i wouldn't touch the fuel, it may be cheaper but its missing all those lovely additives that the major brands use to keep your engine nice. Of course, i could just be a petrol snob.  Ian |
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Post by Paul Harris on Aug 27, 2006 17:48:36 GMT
The car ran very well to and from the National (round trip of about 80 miles with a mixture of motorway, A roads and town centres). Performance does seem slightly better, and it certainly appears to be more responsive. It's probably a bit early to tell, but I'll see what it's like after another tank full.
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Post by Phil Nottingham on Aug 27, 2006 18:33:48 GMT
A good run always get these cars running smoother as it burns away carbon and drys out the oil
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Post by stantondavies on Nov 5, 2006 12:22:22 GMT
Just an observation: My 3 litre had always averaged around 18mpg but in recent times I have used BP Ultimate or Shell Optimax as the car seems to run better. What I wasn't expecting was the improvement in consumption to 20-21 mpg; which makes the petrol cheaper than unleaded.
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Post by Phil Nottingham on Nov 5, 2006 12:52:14 GMT
I will have to try some as my 3 Litre averages about that locally in Summer - strange as the engine was not designed to run at over 98 octane
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of course you still need your additive.......or do you? Has anyone on this board suffered valve recession due to unleaded?
