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Gas Tank Replacement

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Old Nov 18, 2023 | 06:53 PM
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Default Gas Tank Replacement

Well I got the old lady back together today from doing a gas tank swap. Must say it wasn’t nearly the PITA I was expecting it to be. Most tedious part is the bumper removal. Once that was out of the way everything went smoothly. I spent more time cleaning everything than I did actually turning wrenches. If anyone has any questions about doing this it’s still fresh in my head.


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Old Nov 18, 2023 | 10:26 PM
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Nice looking tank.
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Old Nov 18, 2023 | 10:57 PM
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Does certainly look good! For sure you slipped a copy of the 'Build Sheet' back secured by a tank strap?
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Old Nov 19, 2023 | 05:07 AM
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Looks like a brand new car.
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Old Nov 19, 2023 | 07:54 AM
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Where did you source your new tank from? Your impressions of it? Inquiring minds want to know👍
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Old Nov 19, 2023 | 09:04 AM
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Originally Posted by WVZR-1
Does certainly look good! For sure you slipped a copy of the 'Build Sheet' back secured by a tank strap?
Ha no I didn’t put a copy of it back under the strap. Just looked so darn nice without it.
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Old Nov 19, 2023 | 09:09 AM
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Originally Posted by Natty C
Looks like a brand new car.
I cleaned the hell out of everything I could see lol. Also removed the cheap GM plastic wire protector and replaced it with some leftover BMW harness cover I had laying around. The wife couldn’t figure out why I’d make everything look so nice if I’ll never even see it. Because I can damn it! 😆.

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Old Nov 19, 2023 | 09:13 AM
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Originally Posted by '78CorvetteS.A.
Where did you source your new tank from? Your impressions of it? Inquiring minds want to know👍
So apparently there’s a few places that make reproduction tanks. I found one for sale on a Corvette parts site that was coated. Price was ridiculous. Found the same manufacturer on RockAuto. I wasn’t too nutty about it being made in a foreign country 😒…….but it fit perfectly. The suppled bolts for the sending unit were junk. I soaked the factory ones in brake cleaner, then painted the heads with black rust converter. Everything bolted right back up with no fitment issues.
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Old Nov 19, 2023 | 05:36 PM
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More impressive is that you've done all this in a 1-car garage! Been there and dealt with that.....
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Old Nov 19, 2023 | 08:48 PM
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Originally Posted by gcthree
More impressive is that you've done all this in a 1-car garage! Been there and dealt with that.....
It’s definitely not the easiest garage to work in, somehow I’ve managed. Quick Jacks help lol. I had to drop the subframe in my BMW to get to the oil pan gasket. That was definitely the most difficult thing I’ve done that would have been a hell of a lot easier with a bigger garage.
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Old Nov 19, 2023 | 11:15 PM
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Originally Posted by Faceman89
I cleaned the hell out of everything I could see lol. Also removed the cheap GM plastic wire protector and replaced it with some leftover BMW harness cover I had laying around. The wife couldn’t figure out why I’d make everything look so nice if I’ll never even see it. Because I can damn it! 😆.
Yeah, I noticed that initially. I tried to zoom in on it but couldn't really see what you used. It looks like good quality stuff.
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Old Nov 20, 2023 | 06:20 PM
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Originally Posted by Natty C
Yeah, I noticed that initially. I tried to zoom in on it but couldn't really see what you used. It looks like good quality stuff.
The tape i used is a high heat harness tape also for BMW/Mercedes. Stuff is fantastic and light years ahead of anything I’ve seen on a GM car. 7 bucks a roll off Amazon. It’s glass cloth based. I always keep a spare roll around.

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Old Nov 21, 2023 | 11:08 AM
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Is there a write up on removing the gas tank?
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Old Nov 21, 2023 | 11:37 AM
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Originally Posted by turbobuick33
Is there a write up on removing the gas tank?
If you can’t find one on this site, I’d be more than willing to answer any questions you have.
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Old Nov 21, 2023 | 02:06 PM
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Hey Face, where about in Wilmington are you located? I’m originally from DE, but been living in the UK since 1990. I’m heading back for a wedding at St. Anthony’s in the new year. My ‘86 convertible before I shipped it to the UK:
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Old Nov 21, 2023 | 02:38 PM
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Originally Posted by Ray Quayle
I’m heading back for a wedding at St. Anthony’s in the new year.
I've always liked the St. Anthony's Italian Festival. Didn't go this year, though.
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Old Nov 21, 2023 | 02:46 PM
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Originally Posted by Ray Quayle
Hey Face, where about in Wilmington are you located? I’m originally from DE, but been living in the UK since 1990. I’m heading back for a wedding at St. Anthony’s in the new year. My ‘86 convertible before I shipped it to the UK:
Small world,,,,,,sent you a PM
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Old Nov 21, 2023 | 02:48 PM
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Originally Posted by Natty C
I've always liked the St. Anthony's Italian Festival. Didn't go this year, though.
Me neither. One of the few years I've skipped. Was a lot better when I was a kid. Still had a lot of family that lived on or around 4th street. Hell, my grandfather's name is on one of the stained-glass windows of St Anthonys.
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Old Nov 21, 2023 | 02:57 PM
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Originally Posted by Faceman89
Hell, my grandfather's name is on one of the stained-glass windows of St Anthonys.
That’s pretty freakin’ cool!
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Old Nov 21, 2023 | 03:17 PM
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Originally Posted by Faceman89
Me neither. One of the few years I've skipped. Was a lot better when I was a kid. Still had a lot of family that lived on or around 4th street. Hell, my grandfather's name is on one of the stained-glass windows of St Anthonys.
My whole family on my mom's side were born, raised and still live in Wilmington. I imagine they've likely crossed paths in life. Especially when St. Anthony's comes into play. Ha.

It is a small world, indeed.

That is pretty cool about your grandfather's name on the stained glass, though.
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