Omega Owners Forum
Chat Area => General Discussion Area => Topic started by: tunnie on 17 August 2008, 20:28:27
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Now i never used to bother with fuel, cheapest would do.
But for the past 5/6 months i have only put normal BP fuel in, must say noticed a large difference. Its smoother, and under idle its a LOT quieter, smoother pulling though the revs to, but most noticable was the smooth idle.
First time today just tanked up with BP Ultimate, saw it was 1,20p a litre, which was what i paid last time for normal stuff, so thought i would give it a go.
Quick run around the by-pass, first impressions are good, seams to have a bit more low down go, and more top end, 70-90 has a noticable improvement!
Going to rang the beans of it in this tank, see how it goes.
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Apparently it's got additives that clean your fuel system. And BP sell it on providing better economy due to the increased octane.
My Scooby used to get a tankful every 3 or 4 fill ups and it used to run and go better on it.
But, back then, I could afford a Scooby and BP Ultimate to put in it... :'(
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In the MV6 its noticibly more potent and better mpg (higher octane I guess).
The extra cost doesn't quite offset the extra mpg though...
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In the MV6 its noticibly more potent and better mpg (higher octane I guess).
The extra cost doesn't quite offset the extra mpg though...
Worth it for that factor though, was pleasently suprised at the more bang i got.
Must say did not really notice a difference in cost to fill up.
Maybe worth Forte in a tank with BP Ultimate as well? Really give it a clean out?
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In the MV6 its noticibly more potent and better mpg (higher octane I guess).
The extra cost doesn't quite offset the extra mpg though...
Worth it for that factor though, was pleasently suprised at the more bang i got.
Must say did not really notice a difference in cost to fill up.
Maybe worth Forte in a tank with BP Ultimate as well? Really give it a clean out?
My MV6 runs nicer on BP ultimate than on shell Vpower, shame theres no local BP garage.
Don't use it often generally a couple of tanks through after forte!
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I have never, ever noticed any difference on performance on any fuels. If it'll burn it, chuck it in ;D
Thing is, I can't see the Omega engine getting any benefit from these fuels out of the box.
The only improvement must be because it's cleaning the system, rather than it's a higher octane fuel...
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I have never, ever noticed any difference on performance on any fuels. If it'll burn it, chuck it in ;D
Thing is, I can't see the Omega engine getting any benefit from these fuels out of the box.
The only improvement must be because it's cleaning the system, rather than it's a higher octane fuel...
Its noticibly better on higher octane. Remember, it will advance timing further with high octane.
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And the tractor can only deal with about 3-4 tankfuls of supermarket rubbish before it starts chugging. A couple of tanks of standard branded fuel brings it back to life...
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Yup, knock control will automaticaly adjust the ignition timing to the higher octane therefore producing more go....
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I remember this post quite well which I think has some valid points:
Once you've got a fuel with a sufficient octane rating to allow your engine to run without knock at its' optimum level of ignition advance under all conditions there is no benefit in going any higher. In fact, the additives used to stabilise the fuel might actually reduce its' calorific value giving you less power.
All engines used in Omegas probably achieve this with the best quality 95 RON fuel and certainly with 97/99 (although it would be nice to log what's going with the knock retard, as an indicator of fuel quality if nothing else). If you up the compression the requirement for high octane fuel, and the ability to extract more power from it, increase.
So, this fuel might give the serious tuner the ability to build a more extreme engine (which would then rely on this fuel) but to a standard car it's probably not worth bothering with.
Kevin
I agree supermarket fuel will be poorer quality and best not to run solely on this, but generally i've never been able to notice a worthwhile improvement on higher octane fuels with a miggy :;(
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James, in any road engine, 2-3 extra RON will give you more output over standard unleaded.....going much higher than this might not have a major effect though.
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I was in my local Parkers parts shop and noticed that they have a product to help boost the Octan by 1-2 and also clean the vales stems. I think it by wynnes just add it to the petrol
Would this help or make any diff if put with some V-power or Bp.
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James, in any road engine, 2-3 extra RON will give you more output over standard unleaded.....going much higher than this might not have a major effect though.
Mark - do you think it'll take a few tanks to notice a difference, or should it pretty much instantly adapt?
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ive always found after a few miles it is more powerful.
Esp so on the 2nd tankful when you have really diluted the 'weaker' petrol.
Have always found a difference, but probably not worth the extra cash.
My tendancy is to chuck a tankful of 'super' in as soon as my tank is low as possible after using Forte, more for the cleaning than anything.
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Should be pretty much as soon as its upto temp.
Engine needs to be in fine fettle though
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supermarket diesel and jet diesel and some other brands contain 5% bio-fuel
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Some of the supermarket petrol contains methanol to!
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Should be pretty much as soon as its upto temp.
Engine needs to be in fine fettle though
Mine too effect instantly soon as i got on the bypass felt the more go 8-)
Engine is in much better condition than when i bought, it plus 5 moths of normal bp fuel....
Might use this for a couple of tanks 8-)
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Should be pretty much as soon as its upto temp.
Engine needs to be in fine fettle though
Mine too effect instantly soon as i got on the bypass felt the more go 8-)
Engine is in much better condition than when i bought, it plus 5 moths of normal bp fuel....
Might use this for a couple of tanks 8-)
That does of course mean going to 'that' BP station, where they are not hugely impressed with me :-X - or at least wouldn't be if they had enough brain cells between them >:(
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Should be pretty much as soon as its upto temp.
Engine needs to be in fine fettle though
Mine too effect instantly soon as i got on the bypass felt the more go 8-)
Engine is in much better condition than when i bought, it plus 5 moths of normal bp fuel....
Might use this for a couple of tanks 8-)
That does of course mean going to 'that' BP station, where they are not hugely impressed with me :-X - or at least wouldn't be if they had enough brain cells between them >:(
I could use the one in Bicester! - Might have to compare the prices.
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Should be pretty much as soon as its upto temp.
Engine needs to be in fine fettle though
Mine too effect instantly soon as i got on the bypass felt the more go 8-)
Engine is in much better condition than when i bought, it plus 5 moths of normal bp fuel....
Might use this for a couple of tanks 8-)
That does of course mean going to 'that' BP station, where they are not hugely impressed with me :-X - or at least wouldn't be if they had enough brain cells between them >:(
I could use the one in Bicester! - Might have to compare the prices.
The Bicester one must have more mental capacity
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Should be pretty much as soon as its upto temp.
Engine needs to be in fine fettle though
Mine too effect instantly soon as i got on the bypass felt the more go 8-)
Engine is in much better condition than when i bought, it plus 5 moths of normal bp fuel....
Might use this for a couple of tanks 8-)
That does of course mean going to 'that' BP station, where they are not hugely impressed with me :-X - or at least wouldn't be if they had enough brain cells between them >:(
I could use the one in Bicester! - Might have to compare the prices.
The Bicester one must have more mental capacity
Its not hard, i bet walking carpet Bailey & Megan could do a better job running the brackley one.
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Only use BP :y, not ultimate though, hence the reason for my recent op, done no good for my hems in the end :'( ;D
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My beastie certainly ran much sweeter on Optimax/Ultimate. Distinct difference when on Tesco/Sainsbury's best (and cheapest....)
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I used to fill up on Shell Optimax in my old Mitsubishi and it definitely ran better - more responsive - at first i thought it was in my head, but the wife could tell when i did and didnt put the good stuff in
not a massive difference - but noticeable - usually if its less than 10p a litre difference I'll get it :y
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back 10 years ago when i had a Cav Sri130 I used to put what ever petrol was nearest at the time in but whenever i went to BP garage the car used to pink afterwards so never put BP petrol in since :P
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used to drive a hyundai lantra 1.6 dohc. that had a huge improvement running ultimate. 6/7 more mpg and it felt like another 10 horses under the bonnet.
put some in my 99 MV6, crap. 18 to the gallon no more speed, in fact it felt lumpy and rubbish. back to asda.
another time however, with the miggy, I bought an stp power pack - red bottle of cleaner and orange bottle of distilled high-octane kerosine (aka speed boost)
put the cleaner in a whole tank, car got better over the tank.
when that tank was empty I put 25 litres of asda petrol on top of the 'orange juice' (supposedly treats 60 litres)
now that was a fun few days :D
noticed a remarkable improvement in performance and very smooth tickover.
If you want to get more out of an x30xe by simply raising the octane then in my experience you need to raise the octane quite a lot. (4 or 5 points!)
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used to drive a hyundai lantra 1.6 dohc. that had a huge improvement running ultimate. 6/7 more mpg and it felt like another 10 horses under the bonnet.
put some in my 99 MV6, crap. 18 to the gallon no more speed, in fact it felt lumpy and rubbish. back to asda.
another time however, with the miggy, I bought an stp power pack - red bottle of cleaner and orange bottle of distilled high-octane kerosine (aka speed boost)
put the cleaner in a whole tank, car got better over the tank.
when that tank was empty I put 25 litres of asda petrol on top of the 'orange juice' (supposedly treats 60 litres)
now that was a fun few days :D
noticed a remarkable improvement in performance and very smooth tickover.
If you want to get more out of an x30xe by simply raising the octane then in my experience you need to raise the octane quite a lot. (4 or 5 points!)
I have noticed the same, as mentioned, the engine needs to be in good shape for you to feel and notice the difference.