cobyworld Posted July 22, 2015 Report Posted July 22, 2015 Hi, new to the forum. I have a 51 b3b truck. I'm replacing the fuel tank. My question is this. Do you need to use the springs and bolts or can it be bolted to the frame directly. Thanks for any input. Quote
Jeff Balazs Posted July 22, 2015 Report Posted July 22, 2015 Yes you should use the same type of mounting hardware as original. There is a fair amount of flex designed into these old frames and a lot of it occurs in the mid section right where the tank is. Hope this helps, Jeff Quote
The Oil Soup Posted July 22, 2015 Report Posted July 22, 2015 I'm in the process of cleaning my tank and was able to find the springs and spacers at Ace. Quote
cobyworld Posted July 22, 2015 Author Report Posted July 22, 2015 thanks for the info.if anyone has some pics that would be helpful. unfortunately the phone I used to take pics of the truck before I disassembled it has been destroyed by fire.. my memory is not so good anymore. Quote
Desotodav Posted July 22, 2015 Report Posted July 22, 2015 (edited) Welcome to the forum. Couple of pictures attached which may help you... Edited July 22, 2015 by Desotodav 3 Quote
Merle Coggins Posted July 23, 2015 Report Posted July 23, 2015 (edited) I believe on my truck the rear tank flange sits on top of the rear mount and the bolts are tightened just enough to keep some spring tension on it. If I had a picture of it I can't find it. Merle Edited July 23, 2015 by Merle Coggins Quote
Phil363 Posted July 23, 2015 Report Posted July 23, 2015 (edited) I left the mounting bracket with original bolts and springs on the tank when I removed it. You will need to zoom in to see the placement of the bolt and spring which follows the 1st photo of the manual page that Desotodav provided above. My bolts / springs were frozen in place with rust and need to be replaced so new gas tank bolts and springs are on my to acquire list UPDATE: found one of the seller's original photos that show how the rear flange mounts on top of the rear mount as Merle mentioned in post #6. Phil Edited July 23, 2015 by Phil363 Quote
Desotodav Posted July 23, 2015 Report Posted July 23, 2015 (edited) I had to cheat a little with that tank in the 53 (photo at post #5) as I used metric 'rivnut' inserts because the tank bracket mount area was damaged. Here is a photo of the tank setup before I restored the 52 truck... (the nuts at the bottom of the bolts were not really required to be there)... Edited July 23, 2015 by Desotodav Quote
cobyworld Posted July 23, 2015 Author Report Posted July 23, 2015 Thanks to all for the information and pictures. This helps a lot. Quote
The Oil Soup Posted July 24, 2015 Report Posted July 24, 2015 The tank on the 53 looks a bit different than the earlier ones and mounts with the rear flange under the frame. I'm not quit sure how the forward flange with the springs attaches.There are no reference photos in the shop manual. Quote
Plytodd Posted January 9, 2016 Report Posted January 9, 2016 (edited) Has anybody used the new 39 to 47 truck fuel tank by Tanks, if so what modification is needed to use on a 48 b1b truck. Thanks Edited January 9, 2016 by Plytodd Quote
JBNeal Posted January 10, 2016 Report Posted January 10, 2016 (edited) additional information - Tanks Inc. testimonial Edited September 8, 2021 by JBNeal revised link Quote
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