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Gas Tank Restoration PDF Print E-mail
Written by Peter   
Sunday, 03 February 2008
20 years of grime, gone!

My car sat for quite a while, and so I knew that what was once gas was now well on its way to varnish. I also knew there was no way I was going to try to spit that through my brand new system. I have some time this weekend to dedicate to the car, so lets see what we can get done!

 

I started from the back of the car --> forward. Yep, removed the gas tank!

The tank removal was very straight forward.

- Remove as much gas as possible by siphoning (I found this to be pretty hard)

- Remove the bolts holding the shield on (not the two brackets, yet)

- Remove the three bolts inside the filler port (where you stick the nozzle at the gas station) (This helps it to flex and not break)

- Remove the bracket that holds the filler neck to the tank (under the car, 1 bolt)

- Get a friend or a jack to hold the tank while you remove the two bolts holding the two straps (don't let the tank fall yet, you'll break some important stuff)

- Try to get the tank low enough so that you can remove the wiring and hoses on the right side of the tank.

- Once everything is removed, lower the tank, and there ya go!

Disposing of the used gas was a little difficult. I had nearly a full tank, and so I couldn't just let it evaporate. Fortunately, my town has a special place at the landfill for hazardous materials, so for a $15 fee, they took the gas. I just plugged the holes with a plastic bag with a rag inside (provided flexible volume w/o soaking up gas and becoming a bomb!), loaded it in my pickup, and drove away.

Once it was empty, I removed the pump using a screwdriver and a hammer to move the inner ring. Pulled it out, and was amazed at how good everything looked! There was a little dry residue on the inside of the tank, and so I took some mineral spirits and sloshed it around, and this did the trick just fine. Make sure the gas is out before you do this, I'm not sure of the chemistry involved with mineral spirits and gas...

Next, I got out the degreaser and sandblaster and got the outside of the tank nice and clean. Be sure to plug any holes so you don't get grime and sand on the inside.

Once it was clean and free of dust, I painted it with some undercoating that I purchased from Advance Auto. I quickly learned that you have to maintain a 3' distance from whatever you are spraying. Once I mastered this, the tank looks great!

The next step was to install the Walbro 255lph fuel pump. That's a project in itself, so it gets its own page! Click here for more info!

 

 

 
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