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Octane Boost & fuel additives

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dan.payne:
Something which I've not heard or read people talk about on this forum is the use of Octane Boost & fuel additives.

I used to use Millers Octane Plus on my previous 1.8T car to mainly improve performance and keep the injectors/fuelling and valves clear and free from gunk. There was a noticeable improvement with performance to which I was really impressed with.

Millers Octane Plus enhances performance by increasing octane values up to 2 numbers (20 points).



I'm tempted to try as a one off try Millers CVL Turbo (Use with modern fuels to increase octane levels by up to 4 octane numbers (40 points)



I have read that the CVL turbo version can only be used now and then as it can affect the catalyst not sure if that's just from a standard point of view or whether sports/race catalyst are also affected. Obviously those with de-cats need not worry  :laugh:

Does anyone use such things and what our the findings?  :happy2:

Blade:
A couple of mates use it on trackdays in their Evo and Scooby - they swear by it as they say it improves the initial punch out of corners and seems to help the car rev out quicker. They put 2 bottles in a tank.

cuprak1:
hmm could this not cause side effects and add increased wear on our newer engines?

Blade:
I would treat it as a very short term fix - just pour in a couple of bottles - turn the boost up and see what happens :driver: :jumping:

bowie:
I used CVL turbo on my 1.8t S3.  Good . Noticable improvement.  Enabled us to run more advance on timing.  But, of course, you have to run it all the time or have switchable maps to take advantage like this.

Chris.

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