How to drain gas
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Junior Member
Joined: Sep 2012
Posts: 38
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From: Detroit, MI
Car: 1988 Black GTA
Engine: 305 TPI
How to drain gas
So I have been doing a lot of reading on this site and I can see there are a few things to do to my 88 GTA that I recently got. One of which is drain the gas. Not to sound like an idiot but what is the best way to do that?
Supreme Member




Joined: Jan 2000
Posts: 3,178
Likes: 48
From: Tracy, CA
Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Re: How to drain gas
Siphon it out with a hose. Don't suck on the end of it for obvious reasons. Unless you like drinking gasoline.
They sell hoses with those primer bulbs on them. I have a siphon hose that has a little copper rattle-ball-thingy on the end that acts as a primer:
http://www.boatshowproducts.com/super-siphon-hose
They sell hoses with those primer bulbs on them. I have a siphon hose that has a little copper rattle-ball-thingy on the end that acts as a primer:
http://www.boatshowproducts.com/super-siphon-hose
Joined: Mar 2010
Posts: 538
Likes: 34
From: South FL
Car: 1989 Formula T-Top
Engine: 350 TPI, twin turbo
Transmission: 700R4
Axle/Gears: 3.23
Re: How to drain gas
Disconnect the fuel line under the hood, power up the fuel pump via the relay and siphon it out.
Thread Starter
Junior Member
Joined: Sep 2012
Posts: 38
Likes: 0
From: Detroit, MI
Car: 1988 Black GTA
Engine: 305 TPI
Supreme Member




Joined: Jan 2000
Posts: 3,178
Likes: 48
From: Tracy, CA
Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Re: How to drain gas
Seafoam or injector cleaner wouldn't be a bad idea. Replacing the fuel filter before filling the tank with fresh fuel wouldn't hurt either.
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Thread Starter
Junior Member
Joined: Sep 2012
Posts: 38
Likes: 0
From: Detroit, MI
Car: 1988 Black GTA
Engine: 305 TPI
Supreme Member




Joined: Jan 2000
Posts: 3,178
Likes: 48
From: Tracy, CA
Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Re: How to drain gas
Use flare nut wrenches for the fittings. If there's corrosion spray the fittings with penetrating oil like PB Blaster before trying to loosen them. don't lose the o-rings that are on the lines. Don't over tighten the fittings.
Thread Starter
Junior Member
Joined: Sep 2012
Posts: 38
Likes: 0
From: Detroit, MI
Car: 1988 Black GTA
Engine: 305 TPI
Re: How to drain gas
Under the car on the driver's side in front of the fuel tank.
Use flare nut wrenches for the fittings. If there's corrosion spray the fittings with penetrating oil like PB Blaster before trying to loosen them. don't lose the o-rings that are on the lines. Don't over tighten the fittings.
Use flare nut wrenches for the fittings. If there's corrosion spray the fittings with penetrating oil like PB Blaster before trying to loosen them. don't lose the o-rings that are on the lines. Don't over tighten the fittings.
Thread Starter
Junior Member
Joined: Sep 2012
Posts: 38
Likes: 0
From: Detroit, MI
Car: 1988 Black GTA
Engine: 305 TPI
Re: How to drain gas
Under the car on the driver's side in front of the fuel tank.
Use flare nut wrenches for the fittings. If there's corrosion spray the fittings with penetrating oil like PB Blaster before trying to loosen them. don't lose the o-rings that are on the lines. Don't over tighten the fittings.
Use flare nut wrenches for the fittings. If there's corrosion spray the fittings with penetrating oil like PB Blaster before trying to loosen them. don't lose the o-rings that are on the lines. Don't over tighten the fittings.
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