Vintage Oldsmobiles Curved Dash, Limited Touring, Models 40, 53, 66; Series 60, 70, 90

Dropping the Tank on a '38.

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Old July 4th, 2021, 04:31 PM
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Dropping the Tank on a '38.

Happy 4th Everyone,
I'm attempting to drop the tank on my 1938, I have the shop manual and have followed each step, however I can't figure out how to get the filler neck to clear the gap between the frame and the body. I'm trying to be gentle with it so I don't snap the weld of the filler and the tank, but I don't see any angle that will allow the neck to get through the small gap. I have seen some mods on the other forums where the neck has been cut and replaced with a flexline, but I don't want to have to take a saw to the original tank. I have the car jacked up as high as my jack stands will go, I've sought counsel from every source I know of, but can't figure this one out. Any help would be appreciated.
I can provide pictures if necessary, thank you.
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Old July 4th, 2021, 06:43 PM
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Pictures may help, idk but i would guess many here are not to familier w the 38 my
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Old July 4th, 2021, 07:15 PM
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You'll have to jack it way up .
A lift is preferred . When you get the tank down a ways then rotate it so the filler pipe will come out from between the frame and body .
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Old July 4th, 2021, 07:51 PM
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Glad you're making progress. Me uncle always said "man put it together, man can take it apart and put it back together". Wise man, my Uncle Gene.

Have you registered on AACA Forums yet? Here is great for postwar cars, but they speak fluent prewar there, and also on the H.A.M.B. Someone, somewhere, has successfully done this job before on a 30s GM vehicle.

But Charlie's right. Higher you can get this in the air, easier that tank will be to wrangle.
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Old July 4th, 2021, 08:31 PM
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[QUOTE=rocketraider;1353530] Someone, somewhere, has successfully done this job before on a 30s GM vehicle.

That would be me . Years ago I owned a 1937 Pontiac .
I had to remove the leaking gas tank to repair it .
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Old July 5th, 2021, 03:19 AM
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Thanks for the feedback guys. I was on the AACA forums and that's where I saw some of the modified filler necks, which made me believe they built the car around the tank, but Charlie Degges and he advised lifting the car way up as well. I'm with you though, I believe it can come out, but I don't know if I have the resources here to (safely) lift the car much higher than it is currently. Thanks again for the responses.
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Old July 5th, 2021, 07:16 AM
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On the assembly line .
They bolted the tank on the bottom of the body , before it was set on the chassis .

Now is the time you need to convince your self , or your wife , that you need that twin post lift .

Last edited by Charlie Jones; July 5th, 2021 at 07:24 AM.
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