S2000 Under The Hood S2000 Technical and Mechanical discussions.

need help possible diesel in gas tank

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Old 01-11-2008, 06:17 PM
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Originally Posted by Tee-Dub,Jan 11 2008, 04:18 PM
Myth busters busted the ole "sugar in the gas tank" trick. Said it wouldn't damage the motor.
i remember that episode, i dont remember exactly what all they put through that engine but i remember it took a beating
Old 01-11-2008, 06:28 PM
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It definitely wont run, I'm guessing it would have the same effect as water in the tank since it only burns under extreme pressures (much higher compression values)

I found this:
Diesel fuel is typically burned in compression-ignition internal combustion engines, which draw in air and subject it to high compression (much higher than in a gasoline engine), causing it become very hot. At peak temperature and pressure, diesel fuel is injected into the cylinder and self-ignites (autoignition). gasoline is designed to be resistant to self-ignition, gasoline in a diesel engine either won't ignite or will ignite at the wrong time. Depending on the proportion of diesel fuel relative to gas in the tank, a gasoline engine will either run poorly or stop altogether.
Old 01-11-2008, 06:51 PM
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If it won't combust, could it not have the same effect as water and cause hydrolock after the injectors fire a few times and build up the amount of liquid in the chamber?
Old 01-11-2008, 08:26 PM
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It would take a very large amount to do that IMO.
Old 01-12-2008, 01:18 AM
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i dont think he understands what hydrolock is.
Old 01-12-2008, 05:31 AM
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Most gas tanks have drain plugs

Didn't find the location in the service manual, but there should be one..

Another option could be to disconnect your fuel line over bucket and turn the car on..

Good luck, and I'm sorry that happened to you
Old 01-12-2008, 05:51 AM
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Who would go through all the trouble just to do this?
Old 01-12-2008, 10:34 AM
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[QUOTE=ShocK,Jan 11 2008, 10:28 PM] It definitely wont run, I'm guessing it would have the same effect as water in the tank since it only burns under extreme pressures (much higher compression values)

I found this:
Diesel fuel is typically burned in compression-ignition internal combustion engines, which draw in air and subject it to high compression (much higher than in a gasoline engine), causing it become very hot. At peak temperature and pressure, diesel fuel is injected into the cylinder and self-ignites (autoignition).
Old 01-12-2008, 11:00 AM
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There are winter and summer grades with different chemistries. It is basically less-refined gas, so if you could get it to start (depending on the mix), my guess is that the pulgs and filter should be changed and the head deposits flushed.
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