shaggyzr2
Active member
I've decided to build another SRX, I've got a chassis but the tunnel is slightly tweaked in the back just on one side. It looks like it must have gotten hit lightly in the corner. It's totally use able the way it is but I want it to look better. Whats the best way to straighten aluminum?
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I'm no body and paint guy by any means but I'm thinking if you hooked up something to pull on the back of the tunnel,and of course have the front anchored,use a body hammer and dolly to work the metal back into shape by tapping from the outside in. That way you kind of force the metal to shrink back,somewhat, into the proper shape.
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shaggyzr2
Active member
I'll have to try that, maybe heat it up first. I'd like to get it almost perfect so I can just polish the tunnel but if I can't I may have to use some filler to make it perfectly smooth then paint it. I've got another chassis that I could use but that one has some damage on the other side. lol
You may be able to get some pointers from guys that are more into the metal work and body shop type work. I'm just relaying some info that I've gleaned from watching videos online plus some friends that do some body work. I know the key to using a hammer and dolly is to work from the outside in,take your time and don't try to do it all at once by beating the crap out of it lol.
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A couple of bucks
VIP Member
A torch and a CO2 fire extinguisher. Heat affected area then cool extremely rapidly w/ CO2 or dry ice.
shaggyzr2
Active member
And what does that do?
A couple of bucks
VIP Member
Shrinks it.
Will this work on just aluminum or any soft metal?
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A couple of bucks
VIP Member
It'll work on steel too. If you take a pillow case and hold it tight against the horn of the extinguisher, then discharge the container into the pillow case, you'll have a pillow case of dry ice.
This procedure works very well on dents in a fender.
This procedure works very well on dents in a fender.
Cool. Good to know.
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shaggyzr2
Active member
I've seen people use those cans of air used for dusting to removed dents. heat the dent up with a heat gun, flip the can of air upside down and spray the dent, it seems to work pretty good for some dents.