Fuel Frequently Asked Questions
My servo doesn't have LRP anymore, what should I use in it's place?
As the volume of LRP sales fall, economics will eventually force refiners and service stations to stop producing LRP. When LRP production ceases, you will be able to use an unleaded fuel with a suitable octane rating in conjunction with a commercially available anti-valve seat recession additive. Some pre 1986 cars don't need valve seat protection additives, just petrol of suitable octane, so it would be worth checking this.
Does high octane unleaded petrol provide better fuel consumption?
High octane unleaded fuels have an octane rating higher than the normal unleaded fuel. Whether your car will benefit from using high octane fuel will vary depending on the age of your car.
Many late model cars have engine management systems fitted with knock sensors that allow the engine to perform better and return better fuel consumption when run on higher octane fuels. However you need to weigh the higher cost of 98 octane against the performance benefits to decide if this fuel is right for you. A few high performance or highly modified engines may need the higher octane fuel to prevent engine pinging.
Many older model unleaded cars are without knock sensors will probably not benefit at all. Cars designed for leaded fuels that have hardened valves and seats but, due to high compression ratios ping on Unleaded Petrol (ULP) or Premium Unleaded Petrol (PULP), are likely to be okay on 98 octane.
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