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Gas Tank replacement..

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Old Apr 21, 2003 | 03:01 PM
  #1  
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Default Gas Tank replacement..

I have a small leak in my gas tank on my 68'.. I can get a repro gas tank for $150.... I have 2 questions:

1) Is there any place that sells gas tanks for less
2) How much work to replace the fuel tank (without spare tire carrier)..

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Old Apr 21, 2003 | 03:04 PM
  #2  
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Default Re: Gas Tank replacement.. (GrandSportC3)

Two steps:

1:) Apply small amount of gasket adhesive to sheet metal screw
2:) Screw into hole in tank until tight

Failing that, the repro tank at that price is OK with what I know of pricing.
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Old Apr 21, 2003 | 03:08 PM
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Default Re: Gas Tank replacement.. (SanDiegoPaul)

Two steps:

1:) Apply small amount of gasket adhesive to sheet metal screw
2:) Screw into hole in tank until tight

Failing that, the repro tank at that price is OK with what I know of pricing.
I haven't been able to locate the exact loaction of the hole... I prefer to replace it.. How much work is involved in replacing the tank??
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Old Apr 21, 2003 | 03:15 PM
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Default Re: Gas Tank replacement.. (GrandSportC3)

I am also interested if there are aftermarket C3 gas tanks that aren't steel, but rather plastic like the newer OEM tanks.
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Old Apr 21, 2003 | 03:20 PM
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Default Re: Gas Tank replacement.. (GrandSportC3)

$150 is about as good as you'll do.

Since you've got sidepipes and the spare tub is out, you've got a pretty easy job ahead of you.

Drain the tank
Remove the wiring and hoses from the sending unit.
Loosen the two bolts that hold the ends of the tank straps to the removable crossmember. Unhook the straps on the rear crossmember and pull them out.
Remove the 4 bolts (2 per side) that hold the removale crossmember in place.
Push the tank rearward, then pull it down and out. You may find that it helps to remove the filler neck and rubber boot to get a little more clearance.

Installation is the reverse of removal :D
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Old Apr 21, 2003 | 03:35 PM
  #6  
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Default Re: Gas Tank replacement.. (sb69coupe)

$150 is about as good as you'll do.

Since you've got sidepipes and the spare tub is out, you've got a pretty easy job ahead of you.

Drain the tank
Remove the wiring and hoses from the sending unit.
Loosen the two bolts that hold the ends of the tank straps to the removable crossmember. Unhook the straps on the rear crossmember and pull them out.
Remove the 4 bolts (2 per side) that hold the removale crossmember in place.
Push the tank rearward, then pull it down and out. You may find that it helps to remove the filler neck and rubber boot to get a little more clearance.

Installation is the reverse of removal :D
Sounds easy... I hope that I won't run into any problems...
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Old Apr 21, 2003 | 03:49 PM
  #7  
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Default Re: Gas Tank replacement.. (GrandSportC3)

Sounds easy... I hope that I won't run into any problems...
Now what did you go and say THAT for?! You're cursed for sure now that you made that statement :D
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Old Apr 21, 2003 | 04:06 PM
  #8  
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Default Re: Gas Tank replacement.. (sb69coupe)

Sounds easy... I hope that I won't run into any problems...

Now what did you go and say THAT for?! You're cursed for sure now that you made that statement :D
I'm always worried when doing something for the first time...
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Old Apr 21, 2003 | 06:11 PM
  #9  
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Default Re: Gas Tank replacement.. (GrandSportC3)

Just remember to drain the tank and don't use a cig lighter to see if it's empty,
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Old Apr 21, 2003 | 06:19 PM
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Default Re: Gas Tank replacement.. (GrandSportC3)

Doesn't seem like it'd be too tough to do. I'd just be sure to check around for prices and quality.
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Old Apr 21, 2003 | 11:14 PM
  #11  
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Default Re: Gas Tank replacement.. (72GACRZR)

Just remember to drain the tank and don't use a cig lighter to see if it's empty,
I was planning on using a candle to check if the tank is empty... :jester
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Old Apr 22, 2003 | 12:55 AM
  #12  
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Default Re: Gas Tank replacement.. (GrandSportC3)

Be careful with a vacuum, too. I once cleaned around a sender unit opening
and the vacuum blew it's cover off !! Scared the crap outta me. The vacuum
still worked, but I stopped using it. DUH.
Your gonna do it yourself in a condo parking lot ? :nonod: Very messy (potentially).
Good luck. I have mine out (the 70), if you need any pics. :seeya


[Modified by NHvette, 12:55 AM 4/22/2003]
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Old Apr 22, 2003 | 12:58 AM
  #13  
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Default Re: Gas Tank replacement.. (GrandSportC3)

Why not just go to a fuel cell? You use the '68 mostly for drag racing anyway, right?
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Old Apr 22, 2003 | 07:50 AM
  #14  
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Default Re: Gas Tank replacement.. (GrandSportC3)

Pay attention at the matting area, where the filler neck, the gasket and the gas tank sandwich together. After the car wash, water will sip into the tank and rust inside out! I would apply RTV on that area!
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Old Apr 22, 2003 | 07:59 AM
  #15  
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Default Re: Gas Tank replacement.. (sb69coupe)

$150 is about as good as you'll do.

Since you've got sidepipes and the spare tub is out, you've got a pretty easy job ahead of you.

Drain the tank
Remove the wiring and hoses from the sending unit.
Loosen the two bolts that hold the ends of the tank straps to the removable crossmember. Unhook the straps on the rear crossmember and pull them out.
Remove the 4 bolts (2 per side) that hold the removale crossmember in place.
Push the tank rearward, then pull it down and out. You may find that it helps to remove the filler neck and rubber boot to get a little more clearance.

Installation is the reverse of removal :D
:iagree: but the first thing you should do is disconnect the battery. You wouldn't want to throw a spark while you're disconnecting the wires.
Reply
Old Apr 22, 2003 | 08:40 AM
  #16  
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Default Re: Gas Tank replacement.. (GrandSportC3)

Not a bad job at all. Like stated above...be sure the tank is empty. there is always a "little" gas left so be carefull. I recommend replacing the tank cushion material that goes between the tank and crossmember. That stuff rots or falls out and can cause holes by the banging of tank to support. That's how I got my hole!!!! While your in there....how about new rubber fuel lines....sending unit...paint the support...new straps...stainless bolts???? Heck, I didn't want to do that again so I replaced everything along with the tank!!!!
Good Luck
Eddie


[Modified by Silvr77, 8:00 AM 4/22/2003]
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Old Apr 22, 2003 | 09:02 AM
  #17  
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Default Re: Gas Tank replacement.. (NHvette)

Be careful with a vacuum, too. I once cleaned around a sender unit opening
and the vacuum blew it's cover off !! Scared the crap outta me. The vacuum
still worked, but I stopped using it. DUH.
Your gonna do it yourself in a condo parking lot ? :nonod: Very messy (potentially).
Good luck. I have mine out (the 70), if you need any pics. :seeya
I might check with friends in the area if I can do it at their place...
It's not a good job to do in a condo garage indeed...
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Old Apr 22, 2003 | 09:03 AM
  #18  
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Default Re: Gas Tank replacement.. (Schmucker)

Why not just go to a fuel cell? You use the '68 mostly for drag racing anyway, right?
There are no direct fit fuel cells.. A fuel cell needs some custom work and I would have to pay for it .. It won't be cheap.. so I decided to go with a replacement tank...
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Old Apr 22, 2003 | 09:04 AM
  #19  
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Default Re: Gas Tank replacement.. (Ki m Le)

Pay attention at the matting area, where the filler neck, the gasket and the gas tank sandwich together. After the car wash, water will sip into the tank and rust inside out! I would apply RTV on that area!
Thanks for the information!
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Old Apr 22, 2003 | 09:05 AM
  #20  
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Default Re: Gas Tank replacement.. (vettfixr)

:iagree: but the first thing you should do is disconnect the battery. You wouldn't want to throw a spark while you're disconnecting the wires.
Great thought!! Thanks!!
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