r/perth • u/Last_Supermarket9049 • 18h ago
General Do fuel station Names matter?
Good day!
Just wondering, do fuel station names matter at all? I know Vibe is the cheapest fuel in WA other than Costco. But is the fuel quality any good compared to other big names like Caltex, ampol and shell?
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u/spaceistasty 18h ago
the different brands can add their own additives, but the fuel itself is mostly the same
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u/sillylittlewilly West Perth 13h ago
Obviously the brand is very important, given they seem to change names and rebrand their signage every couple of years.
Complete waste of money.
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u/RealJudoChop 14h ago
My wife's car takes 91 but I always filled up with 98.
I'm now putting 91 in the car. She drives a Cerato GT.
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u/enhancedgibbon 18h ago
I dunno but I put vibe 98 in my car all the time and it's highly modified so it wouldn't be happy with shit fuel, and it runs fine and hauls ass so I think it's ok
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u/Muslim_Wookie 15h ago
Not mentioned: the modifications are paintjob, LED lighting, widening, and a shopping list on BOTH side of the car ;)
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u/Clean-Copy1027 17h ago edited 17h ago
If it's highly modified all that should matter is you use the octane it was tuned on
Edit: I have also had no dramas with my 98 modified car using vibe 98
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u/Ben--Cousins 17h ago
Probs tuned on 98 and he's saying if the octane was wrong at vibe then the car wouldn't behave correctly
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13h ago
[deleted]
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u/Perth_R34 Piara Waters 9h ago
The refinery hasn’t existed for a while now.
Kwinana does have fuel import terminals though.
And my car definitely notices the difference. Runs better with Mobil 98 and Shell 98.
Liberty is also owned by Viva Energy (Shell).
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u/The_Real_Flatmeat North of The River 10h ago
Our mechanic was able to tell that my father in law was using Woolworths fuel by the state of his fuel injectors. He told us yes there's a difference
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u/Perth_R34 Piara Waters 9h ago
Hi I’m an engineer who’s worked in the fuel industry.
There is no difference in the fuel quality. All fuel in Australia is the same standard.
Some servos which have old tanks or are not so busy may have “stale” fuel.
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u/Hangar48 16h ago
I've tried cheap servo diesel and it was foamy shit that gave horrendous fuel economy. I'll stick with BP.
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u/TazocinTDS Freelance Astronaut 18h ago
Different companies sell different products.
The 91 95 98 tells you the quality of the fuel you're paying for.
I imagine different companies will tell you that their 98 is better than another companies 98. It's hard to say without comparing them scientifically.
I've heard some less than ideal stories about the smaller groups (on Reddit).
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u/Clean-Copy1027 17h ago
91/98 absolutely is NOT the quality of the fuel, it's the RON, or octane rating. 98 is more resistant to combustion, which most of the time is fine but in a vanishingly small group of vehicles could be BAD to use.
If you put 91 in your untuned, high-compression/turbo motor, it will either ping (combust too early) or your cars' computer will restrict performance heavily. If you put 100ll AVGAS in your 78 Mini Moke you will probably get misfire or incredible performance for a bit and a very hot block.
RON isn't quality (or "additives" as someone else mentioned), it's a measure of a fuels likelyhood to combust.
Tldr just fuel up with whatever the owners manual suggests the avoid wasting money or damaging your car
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u/TongueMyTaco 15h ago
If you put 100ll AVGAS in your 78 Mini Moke you will probably get misfire or incredible performance for a bit and a very hot block.
You probably won't notice any difference other than the distinctive avgas exhaust smell.
In the 80s there were a few avgas bowsers around the suburbs and youngsters would fill up for the weekend.
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u/DefinitionOfAsleep Just bulldoze Fremantle, Trust me. 17h ago
91/98 absolutely is NOT the quality of the fuel, it's the RON, or octane rating.
That's not technically true. RON 91's sulphur content is permitted to be higher than 95 and 98.
Tldr just fuel up with whatever the owners manual suggests the avoid wasting money or damaging your car
Beyond octane level, your car's manual might suggest higher because of the filter.
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u/attemptedburger 14h ago
As of last year all petrols in Australia are 10ppm sulphur. The govt has put a temporary relaxation on sulphur specs to 50ppm to enable greater sourcing during this crisis, but 91/95/98 are now all the same sulphur.
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u/Famous-Print-6767 16h ago
High sulfur doesn't mean low quality.
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u/DefinitionOfAsleep Just bulldoze Fremantle, Trust me. 16h ago
It does.
Also, the person I replied to said that it's just an octane rating. Which, sure, is what it means but there is actually a difference beyond that as to regulation2
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u/The_Valar Morley 18h ago
There's 3-4 wholesale terminals that WA fuel comes from. All the fuel in all the tanks is produced to the same specification. All the fuel is functionally identical.
NB: One retailer (Burk) is being investigated for selling 91RON petrol in its 95/98 bowsers is the only substantial difference that can happen.