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Thread: Octane-boosting petrol additives?

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  1. #6
    Join Date
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    Quote Originally Posted by Ryan_R View Post
    5th Gear (UK TV show) tested a bunch of octane boosters a few years ago on a dyno and found no appreciable performance increases, not sure if it's worth the cost.

    Yes, even some performance magazine done such tests in the past and you're right as long as the engine is a brand new, they have not measurable effect on the performance. However, using the right additive that works will keep the intake system clean and that will have an effect on performance and longevity of the engine later on when done some +30,000km. Most drivers wouldn’t notice it, because it happened slowly and they’ve adapted to it, unless they drive the same car that used the fuel additive. The deposits in the intake will disturb the swirl pattern in the cylinder and the deposits on the top of the pistons and in the combustion area have potential to cause pre ignition, again not good for the engine. The right fuel additive will reduce the amount of deposits and engine should last longer.

    The additive that is added in the refinery is very often used before it reaches your vehicle’s fuel tank (spent on cleaning the storage tanks at the servo). So, adding good quality fuel additive makes sense to me.
    Last edited by Transporter; 07-01-2013 at 07:04 AM.

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