Just How bad is supermarket fuel?
24-03-2005, 08:26 PM
#44
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im sure at one time when bp ultimate came out it was rated with a octane reading of 102 but was very expensive correct me if im wrong
24-03-2005, 09:00 PM
#45
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Guys.,..
A tanker is just that... its got fuck all to do with whats inside!
In fact the truth is that ALL fuel is delivered from the closest Refinary! All comanies from BP to Shell share the facilities/trucks etc. The only exception is Shell Optimax which is only made from the New Haven Refinary.
Supermarket fuel IS NOT THE SAME as other brands!
I've seen the chemical analysis of fuels when I worked at ford and we were looking into fuel in oil dilution (bore wash to most people!).
Alex
A tanker is just that... its got fuck all to do with whats inside!
In fact the truth is that ALL fuel is delivered from the closest Refinary! All comanies from BP to Shell share the facilities/trucks etc. The only exception is Shell Optimax which is only made from the New Haven Refinary.
Supermarket fuel IS NOT THE SAME as other brands!
I've seen the chemical analysis of fuels when I worked at ford and we were looking into fuel in oil dilution (bore wash to most people!).
Alex
24-03-2005, 09:13 PM
#46
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Originally Posted by Deano
Which when you think about it is good economics , if you spend say Ł75 on a weekly food shop they reward you with knocking a couple of quid of the price of a fill up 
but theyve already made Ł50 off you from the shopping
but theyve already made Ł50 off you from the shopping 
Shell optimax for me in the RS though!
Matt
24-03-2005, 09:25 PM
#47
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Oh and Morrisons is BP fuel ................ I had to deliver a tanker full as part of my trraining
I saw a Texaco truck delivering to Morrisons on the Docks at Preston so unless they have changed suppliers since.....
24-03-2005, 09:32 PM
#49
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i use Morrisons SUL in mine. its cheap and seems really good.
my car runs like shit and dets like crazy on normal unleaded. when i use BP Ultimate, it was good, not as good as Optimax though. i'd personally rate Morrisons SUL equal to, or over Ultimate imo.
different cars at different specs will behave different though.
btw. LRP should make no difference in RST, surely even S1's had hardened valve seats?
my car runs like shit and dets like crazy on normal unleaded. when i use BP Ultimate, it was good, not as good as Optimax though. i'd personally rate Morrisons SUL equal to, or over Ultimate imo.
different cars at different specs will behave different though.
btw. LRP should make no difference in RST, surely even S1's had hardened valve seats?
24-03-2005, 11:09 PM
#50
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Originally Posted by J871yhk
Supermarket fuel IS NOT THE SAME as other brands!
Not just 'different additives'.. what are the differences, and what effect do they have?
25-03-2005, 11:20 AM
#52
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Originally Posted by Escy
ibtw. LRP should make no difference in RST, surely even S1's had hardened valve seats?
S1 had normal seats, only RST's after 86 had hardened seats
25-03-2005, 11:55 AM
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All depends which way I drive atm. Top of my road and turning right is the Shell station and if I turn left is the BP.... Depends who has the deals on 2 bottles of Diet Coke for Ł1.20 
25-03-2005, 12:58 PM
#56
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Originally Posted by richm
Originally Posted by J871yhk
Supermarket fuel IS NOT THE SAME as other brands!
Not just 'different additives'.. what are the differences, and what effect do they have?
The difference is how the petrol is blended...
It all starts from base stock, same with any oil.... and as people on here have said yes there are basic standards the fuel has to meet. Things like sulphur content being a very important one.
From that point you add lots of other chemicals into your base "petrol":
Frition modifiers
Detergents
Anti-Foaming agent
Detonation surpressents (e.g Teraethal Lead now banned!)
And its the quantites and qualitiy of these extra's if you like that determins how good the fuel is.
A super market can save a load of money by ordering high detergent fuel... with very little else in it. Its cheaper for them to buy but also remember they tend to order absoulty loads of fuel in one go!!!
Alex
26-03-2005, 08:37 AM
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Originally Posted by Westy
is BP Ultimate good stuff?
even better than optimax, and far better than the Total super unleaded I used before. It may cost abit more but I think it's worth it.
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