Purging fuel tanks

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Jan 15, 2012 | 03:25 PM

fatbillybob

Thread Starter

Melting Slicks

Joined: Dec 2004

Posts: 3,382

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Purging fuel tanks

Hey smart tech guys: Is there a simple way for us racers to drain or pump out our fuel tanks so that we can run 91 pump gas and or 100 race gas and be sure the 91 is out? This way we can run 2 ecus with different tunes.

Thanks!

Jan 15, 2012 | 03:49 PM

ipuig

Drifting

Joined: Jan 2008

Posts: 1,722

Likes: 138

From: Florida

St. Jude Donor '09

Quote:

Originally Posted by fatbillybob

There is no need to purge the fuel IMO, there are multiple additives on the market that you could use to bring the octane number up to the desired level, tolulene & xylene come to mind.

Two ECUs would be a difficult proposition, it would be easier to flash the ECU with the more aggresive tune for racing and then reload the factory tune when done if you were so inclined.

Unless you are running a very high compression ratio or lots of boost there isn't much advantage to running race fuel.

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