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Old 10-18-2003, 04:29 AM   #1
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Default Longer tubes

I realised that some racers like to have longer silicon tubes linking their fuel tank and engine, as wells as engine to pipe. What differences does it make ?
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Old 10-18-2003, 02:12 PM   #2
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There are two reasons that I know of!

One: If you car flips while racing, it will give the turnmarshall enough time to get to your car without it running out of fuel.

Two: If you run a longer main than the qualifiers. You will want the extra tube. This will allow you to have longer times between fuel-ups.

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Old 10-19-2003, 08:14 PM   #3
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yes it is often used to keep the car running in case it flips it will stay running alittle longer...also just for a little added run time...but if you are just playing around no reason to do it...because if you dont have a fail safe and the car should hang wide open and flip you want the engine to die pretty quick...
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Old 10-20-2003, 03:20 AM   #4
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Ok thanks for the info. By any chance does longer tubes increase the back pressure ?
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Old 10-20-2003, 06:13 AM   #5
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I think that a longer tube between pipe and tank actually decreases the back pressure. When using a short piece of tubing there the fuel foams more than with a longer piece. Mugen makes an inline chamber to regulate backpressure. Whether it really makes a difference or not, I would like to know. Guess I'll have to buy one to find out.
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