Jet Petrol

[Hobnob]

I have been having a few problems with hesitation while driving which I suppose could be down to Maf or plugs and leads but when I rang my garage they suggested that it could be don to using Jet petrol??

Has anyone else ever heard anything like this? They told me that Jet petrol is cheap for a reason and does not perform as well as Esso / Shell for example.

I thought all petrol was the same bar optimax and super

[Overseer]

i dont think its the exactly the "same" .. just meant to be the same Ron.. as for purity, quality, additives etc.. god knows..

run your tank as low as you can and put in some regular shell fuel see if it helps.. i'm running that since optimax is too pricey right now..

[gazzagtiT]

I find it very hard to believe that petrol can make your car hesitate! I accept that of course some petrol is better than others but, could just be a lazy garage! second opinion definatly needed.

[Bazzer]

Defo 100% correct - I've had it on good authority (relative who works in the fuel industry) that different chains have different QC procedures. And different additives. I've heard Jet isn't the best, and one of the 'stories' is a mate who filled up with petrol, drove down the road and saw 3 cars who were at the pumps just before him, all broke down. Yup, diesel in the unleaded tank.... And a complete denial of the facts by the service station.

Of course, it's slander if I can't back it up with facts and dates etc, and I canne remember - so this is purely my OPINION....

Optimax.

[Hobnob]

how much more is optimax usually?, will; deffinately give shell a try and see if I notice any difference

[Bazzer]

Think it's between 5p and 10p 

[Hobnob]

Hmm seems a  little too steap at the moment might try running a couple of tanks through then sticking to normal shell / Esso and see if I notice a difference in performance

[richy]

Optimax is the dogs.  But I can't afford it at the moment! 

[nrgizerbunny]

Bazzer, with all due respect to your relative, he/she is talking out his backside

to clarify a few things, RON which is research octane number is the resistance of the fuel to self ignition. Higher RON means you can run a larger compression ratio or more advanced ignition.

the additives they put in the fuel are basically to reduce the viscosity and enable it to vaporize more effectively, the effectiveness of the combustion is largely controlled by the efficiency of the spark and fuel injection system. If your engine is firing on Jet fuel then the hesitation is more than likely to be caused by something else.

I should just point out that the crude base stock is different around the world. Shell use quite alot of imported oil from places like Nigeria which has much lower sulphur content than the north sea so you don't need as sophisticated processing techniques to get the petrol out.

[Bazzer]

Well Bunny, you may be right. I may be wrong, and you're right my father might well be talking out of his backside.... However, I seem to think perhaps not. He chooses to fill up at certain stations and the ones he picks are Texaco and Shell. He works at a place where they store 3 different brands of fuel, which are delivered to the 3 different filling stations and also Supermarkets (of course the supermarkets use their own trucks so you'd not know what's what) and there are 3 different sets of standards such as how often they clean the tanks and lines, and he's made his mind up from that.

I simply don't trust Jet filling stations because of the experience of my mate in town. If you want to use it, go ahead. All I'm saying is that there are reasons that all petrol is not the same.

And the additives aren't just there to reduce the viscosity. There's LOADS of different things they do but I will admit I simply don't know enough about it to comment further.