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what is the easiest way to drain fuel tank?

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Old Sep 6, 2007, 06:34 AM
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what is the easiest way to drain fuel tank?
what is the quickest & easiest way to drain a evo 8 fuel tank?

i have the stock fuel rail / plumbing too.
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Old Sep 6, 2007, 06:35 AM
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Disconnect the fuel return line and let it drain while the car is idling.
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Old Sep 6, 2007, 06:38 AM
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^ thanks, without looking at the engine bay right now, is the return on the drivers left or right side of the fuel rail?

can i just hook up a 3/8 fuel line to it or do i need to fab something up in order to connect a hose?
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Old Sep 6, 2007, 06:39 AM
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why are you draining your fuel?
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Old Sep 6, 2007, 06:53 AM
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1. Standard Garden Hose
2. Your mouth
3. A whole lot "O" suckin
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Old Sep 6, 2007, 08:36 AM
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...the drain bolt on the bottom of the gas tank?
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Old Sep 6, 2007, 09:47 AM
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Originally Posted by griceiv
...the drain bolt on the bottom of the gas tank?
+1, dont forget to get both sides...13mm bolt
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Old Sep 6, 2007, 09:55 AM
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A match
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Old Sep 6, 2007, 02:55 PM
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Originally Posted by Rez90
why are you draining your fuel?
i need to do some cam compares/car acceleration testing....so i want similar gas quanity in the car....the air got cold all of a sudden & I want to get some good comparison data...i just filled up last night
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Old Sep 6, 2007, 03:02 PM
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its 12 mm on bottom of the tank, both sides
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Old Sep 7, 2007, 01:18 AM
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really..damn I must have a lot of grease and what not down there. When I did it and the 13 fit I was thinking that was an odd size to use...lol
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Old Sep 7, 2007, 01:02 PM
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Yup The 2 Bolts Under The Gas Tank. I've Drained Mine Before And Thats Were I Drained It From.
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Old Dec 10, 2012, 08:34 PM
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Anyone else drain there tank like this??? I've looked and cant find the 2 bolts
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Old Dec 10, 2012, 11:08 PM
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Someone said that if you pull the tank drains, gas runs along the underside of the tank and goes everywhere.
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Old Dec 10, 2012, 11:16 PM
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I've drained from the bolts under the car a couple times and it works perfect. They're easy to find, pretty sure they're the only two bolts under there. It was only a small amount and some only came from the drivers side, non came out from the right side. After you've done that, disconnect the fuel line from the rail, its 2 10mm bolts or something. energize the fuel pump relay with a paperclip and it'll pump everything out the lines also.
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