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Giant dent

  • Thread starter Thread starter Adler
  • Start date Start date
The freeze method worked for *me* but it was a lot of shagging around.
At the time I worked at a factory that had a blast freezer, which is why I gave it ago.
What I did.
1 Get a slab of wood and make a groove for the seam of the tank to sit tightly in, so that it is the dent that pops and not the seam.
2: Made some clamps for the part of the seam that goes up around the steering head.
3: Make some bungs for the tank level sender and the petcock.
4: Fill the tank nearly to the top with water, measure the height of the water. and put the cap on.
5: Put it in the freezer.
6: Check the dent, if hasn't completly popped, thaw it it out and and go back to step 4 but put a little more water than before in.

Like I said it was a lot of shagging around and a lot of time. It can take quite a long time for tank of water to thaw.......
 
KiwiGS said:
The freeze method worked for *me* but it was a lot of shagging around.
At the time I worked at a factory that had a blast freezer, which is why I gave it ago.
What I did.
1 Get a slab of wood and make a groove for the seam of the tank to sit tightly in, so that it is the dent that pops and not the seam.
2: Made some clamps for the part of the seam that goes up around the steering head.
3: Make some bungs for the tank level sender and the petcock.
4: Fill the tank nearly to the top with water, measure the height of the water. and put the cap on.
5: Put it in the freezer.
6: Check the dent, if hasn't completly popped, thaw it it out and and go back to step 4 but put a little more water than before in.

Like I said it was a lot of shagging around and a lot of time. It can take quite a long time for tank of water to thaw.......
Click to expand...

How straight was the final result?
 
My neighbour tried this once with no clamps etc. It did pop the dent but it also popped the bottom of the tank out so that he couldn't get it back on the bike!

To get it on he basically smashed it into the frame until it regained some semblance of it's original shape under there & he could do the bolts up.... :D
 
So I went the way of using a bar inside to push out the dent and I feel i should share my story;

So I felt a crowbar would be too rigid and I wouldnt be able to reach some spots, so i fashioned my own tool out of some rebar and a sledge hammer :)

IMAGE_027.jpg


I wrapped it in a rag so i wouldn't hurt the fill hole and I wrapped the end in blue electric tape so i wouldn't scratch the inside.

I found that pushing just anywhere in the dent did nothing, but when i found the spot where, I assume, the dent finished being formed it poped right out! From there I found more great spots and the dent came almost entirely out. The only spot that remains is where the object that fell on it hit. A little bondo and a paint job and my tank will be amazing!

BEFORE:
IMAGE_020.jpg


AFTER:
IMAGE_028.jpg


big win for the popping out method!

EDIT: I also left it in the sun for about an hour to soften the metal.
 
Last edited:
Wow, great job Adler!

If you keep up the great work, your bike will love you for it!
 
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