Premium Fuel

Any value in putting the expensive higher octane petrol in a bus engine?


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Not for perfomance but it does give the carb a nice clean inside.

 

Not really. Your low-compression bus engine has no way of making use of it.

 

It might have less Ethanol otherwise there is point at all.

 

I’ve tried premium and std grade diesel in our golf. Haven’t noticed any performance gain whatsoever. I did notice quite a difference in the price though.

I’m convinced it’s bunkum

 

I use the BP premium diesel in my Golf, as it does seem to go further. Honest.

As a Bay hasn't got an ECU, you could wee in your tank, and it would still think it's petrol.

 

It’s best not too
Stick to standard but its your engine

 

No - it's a waste of money in a bay - they are used to cooking petrol with low octane - but as said by @77 Westy , the premium grades in some areas are ethanol free. I do use the premium in my MG though as it was designed to run on 97 or higher

 

On I’m quite happy not too. Don’t wanna waste money when it’s unnecessary. Just wondered whether the stuff shell & BP claim about their premium fuels has any relevance with an old bus engine. My common sense says no and i’d be best putting redex in every now and then.


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They might have a drop of stuff in to clean your carb/engine, but a shot of Wynns or similar should do the same, if you want to use it.

"High octane" doesn't mean "more powerful", just that it's more resistant to detonation. As stock bus engines are low compression anyway, it won't have any effect.

 

Good stuff. Another one of life’s questions answered. Every day is a school day in the life of a bus owner. Thanks all.


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Tomorrow’s lesson is “How to cook Baba Ganoush in a Bay hub cap using spent engine oil and the floor scrapings off your bay after a weekend camping at a festival”

 

But which oil?

 

Mine has better grunt when i put expensive petrol in. I do notice a difference albeit, very small.

 

My engine feels if anything slightly less lively with the 97 stuff rather than good old 95.
Basically it runs OK on 95, 97 and E10 in France.

 

That’s the day after tomorrow’s lesson

 

Esso supreme has no ethanol.

Its the only fuel you can buy in the UK that has no ethanol - for me that's worth paying a little extra for. It's the only fuel i use in the bus. I wrote to all of the fuel cos and asked them for their ethanol content - esso supreme is the only one that has none (although it does depend on where you are in the country bizarrely).

No fuel will give you a performance benefit in an old bus though - you need a modern ecu to be able to adjust which we don't have.

 

I use Esso high octane for this reason. I think i read Rob. E's post about it!

 

If you used an LT hubcap you could feed Ethiopia for a week.....