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Old 06-09-2017, 07:34 PM   #1
jfalesi
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Frame notch for aftermarket Blazer tank?

I got one of those aftermarket plastic Blazer tanks (can't remember the vendor) to replace the rusted out tank on my '71 Suburban. The neck on the Blazer tank interferes with the frame rail... has anyone notched out their frame rail to fit the tank neck? How much did you take out? Is the frame still safe? Sorry I don't have any pics. Maybe next weekend.

Thanks,
-Jamie
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Old 06-09-2017, 10:52 PM   #2
LockDoc
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Re: Frame notch for aftermarket Blazer tank?

Quote:
Originally Posted by jfalesi View Post
I got one of those aftermarket plastic Blazer tanks (can't remember the vendor) to replace the rusted out tank on my '71 Suburban. The neck on the Blazer tank interferes with the frame rail... has anyone notched out their frame rail to fit the tank neck? How much did you take out? Is the frame still safe? Sorry I don't have any pics. Maybe next weekend.

Thanks,
-Jamie

Any reason you didn't get the Suburban tank? I don't think I would chop out too much of the frame.

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Old 06-10-2017, 03:43 PM   #3
jfalesi
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Re: Frame notch for aftermarket Blazer tank?

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Any reason you didn't get the Suburban tank? I don't think I would chop out too much of the frame.

LockDoc
I haven't seen any Suburban tanks for sale - only Blazer/Suburban tanks. I bought #2042 from MTS.

http://www.mtscompany.com/chevy-gmc.htm
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Old 06-11-2017, 08:11 PM   #4
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Re: Frame notch for aftermarket Blazer tank?

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Originally Posted by jfalesi View Post
I haven't seen any Suburban tanks for sale - only Blazer/Suburban tanks. I bought #2042 from MTS.

http://www.mtscompany.com/chevy-gmc.htm

I did some more checking and it seems like all of the guys that have replaced them in the past are having the same problem as you. On the metal tanks they have the neck removed and re- soldered to the correct angle. I don't know about the plastic ones. If you cut the frame I would weld in some kind of a brace or filler to stiffen it back up.

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Old 06-17-2017, 12:40 AM   #5
smaster
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Re: Frame notch for aftermarket Blazer tank?

I am about to do the same to my 72, I was looking to use this one:

http://www.aerotanks.com/inventory/1139.html
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Old 06-17-2017, 08:20 AM   #6
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Re: Frame notch for aftermarket Blazer tank?

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I am about to do the same to my 72, I was looking to use this one:

http://www.aerotanks.com/inventory/1139.html
If you get it be sure and let us know how the installation goes.

Thanks,
LockDoc
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Old 07-11-2017, 03:44 PM   #7
Big Block
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Re: Frame notch for aftermarket Blazer tank?

I used a plastic one on a 72 4x4 Suburban it had the short neck. It was a tight fit but managed to sandwich it in between the frame rail and the body. Now more recently I had the metal tank that I bought from the Car and Truck Shop out of California sells and it was a pain. I ended up bending the lip of the frame down to clear the neck. It wasn't pretty but it worked. Not one of my finest quality jobs. Yeah, it was a hack job not proud of it either. Pressed for time to get it back together.
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