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Tesco Super 99 or 97 OctaneViews : 7185 Replies : 87Users Viewing This Thread : |
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Jun 22nd, 2007, 09:30 | #21 |
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I switch between Tesco 99 and V-power. I can't say there's much difference between the two because I alternate so much. One thing I will never do again is put 95 in! What a load of rubbish! OK for some cars but not for mine. It felt like a non turbo and really suffered in the cold. I would sway slightly towards V-power because of the cleaners in it but tesco is on my route home so I don't mind putting 99 in it.
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Jul 17th, 2007, 18:26 | #22 |
Gone.
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I use different fuels for different cars. I live all of 100 yards from a Tesco petrol station, but only the Probe goes there for fuel.
The C70 and the Passat get taken for a 3 mile drive to the nearest Shell. I've only used regular Shell in the Volvo, but the Passat (because of the remap) has to have super. I tried the BP optimax and the car seemed much less responsive than on V-Power. As a result, my cross Europe route for next month has all the Shell stations plotted on it LOL Just as a matter of interest, is there any reason to use the V-Power in the T5 as it is standard (for now!)? |
Jul 18th, 2007, 16:47 | #23 |
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97 upwards is a must for any cars that have been moded. There's must less risk of 'Deting' if the fuel is 97 or above especially in cold weather. As some of you may know you could set your MBC in the summer and find the boost increases on those crisp winter mornings.
As for a standard car,,,,, well the ECU does 'learn' what fuel your using, thats why some companies claim that you use less fuel on super therfore saving money,,,,HHMMM. Your T5 will after 10 miles of driving learn that super is in it and wind off the fuel... The difference being that if you need more it's there in the form of increased octane. The other way to cope with this is to increase your fuel pressure with a remap but most remaps insist on super anyway because it saves you having to change your injectors and fuel pump to cope with the increased power. Having said all this volvos do cut the ignition before the engine killer 'deting' happens.
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HAD; 440 GLT(Loved it), 850 GLT auto(Loved it), S70 2.5T(Nothing but problems!), 850R auto(Loved it!!), S60 D5 SE (Nothing but problems!) GOT; S60 D5 SE Lux Auto RAF Marham Track Day Co-Ord' |
Aug 16th, 2007, 11:56 | #24 |
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Hmmmm...
I'm totally confused over what is the best fuel to use. In the past I always felt that Esso fuel gave me more mpg and the cars (various makes inc Volvo) felt smoother and more responsive. My last half dozen or so cars have all been Vollys and each seems to behave differently on a given fuel. My last 3 940's (all 2.3 LPT) seem to behave slightly better on 97RON but I'm really not sure about the improved consumption claims. Recently I've been trying the Tesco 99RON fuel and while I feel it gives me a tiny bit more ooomph, I'm worried about various reports I've seen on here about it not being so clean. Tesco state that it is cleaner than all the competition so who is right? What I can say is that locally, 97Ron from BP & Shell is around 102.9 per litre. Tesco 99 Ron is 98.9. A saving of around 20p per gallon.
In the past we used to complain that fuel had gone up by say 2p a gallon. Now we complain that fuel has gone up by 2p per litre. In English that's about 10p per gallon. We've all been conned! A bit off topic but allied: (Can't find any specifics in the forums) Anyone out there got any recommendations re spark plugs for 940 2.3 LPT? I always found NGK worked best in Fords (Dim and distant past when I couldn't afford a real car!) So.... What's best in a 940? Happy motoring... |
Aug 16th, 2007, 12:17 | #25 | |
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Quote:
but pretty much all the above is totally wrong!!
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Aug 16th, 2007, 12:20 | #26 |
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Hi Bob can you explain in lay man terms what is wrong with what he said please.
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Aug 16th, 2007, 12:31 | #27 |
Roary The Racing Car.
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Yes Bob,
please elaborate. Which part of what georgey Dee wrote is wrong or inaccurate. 97 upwards is a must for any cars that have been moded? less risk of 'Deting' if the fuel is 97 or above? standard car the ECU does 'learn' what fuel your using? Just curious if Georgey got that wrong. cheers |
Aug 16th, 2007, 12:52 | #28 | |
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Quote:
you use less fuel because you can run more ignition advance (higher cyl pressure thus more efficiency) and thus get more torque from the same amount of fuel and air, which means the ecu can inject less fuel for the same torque as before. thats the advantage of higher octane fuel.
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Aug 16th, 2007, 12:56 | #29 |
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I can answer that, but would really need to hear why its considered a must on an engine that can vary timing and fueling.
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Aug 16th, 2007, 13:26 | #30 | |
Roary The Racing Car.
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perhaps you are able to explain and thats why I asked. thanks cheers |
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