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Butler

Member

Registered: 2nd Jun 05
Location: London
User status: Offline

6th Jan 06 at 16:58

Who actually pays the extra for optimax fuel? Was probably a similiar thread a while back but times change. Worth it would you say?

broster

Premium Member

Registered: 6th Dec 02
Location: Drives: E39
User status: Offline

6th Jan 06 at 16:58

i do, i have to......

Butler

Member

Registered: 2nd Jun 05
Location: London
User status: Offline

6th Jan 06 at 17:04

You have to? Is there much of perfomance increase as claimed on top gear or fifth gear, whichever one did it?

mwg

Member

Registered: 19th Feb 04
Location: South Lakes
User status: Offline

6th Jan 06 at 17:06

I dont. Have put a few tanks in over the past couple of years but nothing regular. Seems to be a bit smoother to drive after its had a tank of it in. Probably do more harm than good in my car if I was to use it regularly

broster

Premium Member

Registered: 6th Dec 02
Location: Drives: E39
User status: Offline

6th Jan 06 at 17:10

quote:
Originally posted by Butler
You have to? Is there much of perfomance increase as claimed on top gear or fifth gear, whichever one did it?

only performance gain is that fact that my car actually runs smoothly without pinking.... so yes its very worth while in my case

Tappits

Member

Registered: 25th Mar 05
Location: Rotherham
User status: Offline

6th Jan 06 at 17:12

I always use it no matter what the car. It cannot do it eney harm.

J1M

Member

Registered: 25th Nov 05
Location: Milton Keynes. Drives: 1.6 8v T40'd Nova
User status: Offline

6th Jan 06 at 17:15

I'm the same as Broster. Optimax provides that little bit more octane so is in essence safer for a highly tuned engine.

I tried BP Ultimate a few times and then went back to Optimax and I honestly felt the car was more responsive with Optimax. I am very sceptical when it comes to this sort of thing, so there must be quite a difference between the fuels for me to notice the difference in pick up.

Jim

Butler

Member

Registered: 2nd Jun 05
Location: London
User status: Offline

6th Jan 06 at 17:17

Is it only in highly tuned engine for example on TB's or with higher perfomance engines it is recommended?

Mark Petty

Member

Registered: 26th Jul 01
Location: Bournemouth Drives: Suzuki gsf600
User status: Offline

6th Jan 06 at 17:22

its the recommended fuel for my car

J1M

Member

Registered: 25th Nov 05
Location: Milton Keynes. Drives: 1.6 8v T40'd Nova
User status: Offline

6th Jan 06 at 17:38

Butler, it wont hurt normal engines, just that with tuned engines they generally need a higher octane rating to get the most from the engine, otherwise they may suffer from pinking like broster said.

I don't know the specifics, just that I've been advised to run on optimax.

Jim

stuartmitchell

Member

Registered: 24th Apr 04
Location: Kirkliston, Edinburgh
User status: Offline

6th Jan 06 at 17:43

You pretty much HAVE to run import cars on Optimax as the fuel in Japan is of a higher octane. I used to put Optimax in the Pug and it definatly ran a lot better

It was a lot smoother

PaulW

Member

Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline

6th Jan 06 at 18:25

always ran optimax on my GSi, it just ddnt respond well to regular/super/bt fuel...

Nath

Member

Registered: 3rd Apr 02
Location: MK
User status: Offline

6th Jan 06 at 18:32

Yes but then I have a turbo.

mwg

Member

Registered: 19th Feb 04
Location: South Lakes
User status: Offline

6th Jan 06 at 18:52

I got told its not a good idea putting Optimax in a car with an engine as small as mine. Cant remember what the reason was.
Pointless anyway

hopper

Member

Registered: 14th Apr 02
Location: Stoke-on-Trent
User status: Offline

6th Jan 06 at 19:09

always used to use optimax in my a3 turbo, it wouldnt start up or run right on normal unleaded

Member

Registered: 20th May 02
Location: Kent
User status: Offline

6th Jan 06 at 19:14

only use optimax in J18

K5-KYL

Member

Registered: 5th Aug 05
Location: Cowdenbeath, Fife
User status: Offline

6th Jan 06 at 19:17

used t use optimax all the time in my 12v.

not yet tried it with the sport? gonna fill up later so might give it a try.
even ran smoother in the 12v - i could notice the difference. just ran up the revs.

SportBoy

Member

Registered: 5th Oct 01
Location: Retford, Nottinghamshire
User status: Offline

6th Jan 06 at 19:23

all the time with the turban

IntaCepta

Member

Registered: 25th Mar 02
Location: Mill Hill East, Greater London
User status: Offline

6th Jan 06 at 21:22

do it once in a while.

i always drive with little amount of petrol in my car, so when my dad drives it he gets pissed off and puts a full tank and usually puts in super or optimax! So i love it when he uses my car

I must admit tho, when i do fill up i do notice the smoothness, even straight away pulling out of the forecourt.

[Edited on 06-01-2006 by IntaCepta]

Jamie

Member

Registered: 1st Apr 02
Location: Aberdeen
User status: Offline

6th Jan 06 at 21:26

Did it always for about 2 years then gave up

Now do it every 2nd tank

schoey

Member

Registered: 29th Jun 05
Location: Billinghay, Lincolnshire
User status: Offline

6th Jan 06 at 21:35

Thats why i love my engine, because its still standard and still quick. lol

mav

Member

Registered: 19th Jun 01
Location: Scotland
User status: Offline

6th Jan 06 at 21:41

i always use it..

SVM 286

Member

Registered: 13th Feb 05
Location: pain
User status: Offline

7th Jan 06 at 05:49

quote:
Originally posted by Butler
Who actually pays the extra for optimax fuel? Was probably a similiar thread a while back but times change. Worth it would you say?

The people who buy it silly.

SVM 286

Member

Registered: 13th Feb 05
Location: pain
User status: Offline

7th Jan 06 at 06:01

There seems to be a bit of a misconception over the use of different petrol.

The most important question is not whether or not to spend more on super unleaded, but whether to compromise and spend less on the low octane rubbish instead.

Super unleaded is only the best pump fuel available to us at the moment, and is not a patch on what proper 4 star was, never mind high octane 5 star petrol that was annoyingly phased out many moons ago.

To buy cheap petrol is a false economy as it promotes engine wear and makes a car less responsive, and less smooth and pleasant to drive.
Consequently you also use more.

After Shell 4 star was removed from sale I was forced to change to Shell Super unleaded which they gave a silly name a few years later.

I still use Optimax and an octane booster in my turbo charged car, but use the 99 RON Tesco fuel in my daily driver as it is the cheapest and highest rated Super unleaded you can buy at the moment, and as my car uses over 50 quid a week, by using the Tesco fuel I save enough money over a year to pay for my road tax.

[Edited on 07-01-2006 by SVM 286]

Jules

Member

Registered: 26th Nov 04
Location: Ipswich, Suffolk Status: Happy
User status: Offline

7th Jan 06 at 07:07

It's the only petrol I've used for about the last 6 years - and I do mean the only one - EVER.

Hi Jim btw

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