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Old 05-27-2009, 11:10 AM
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Truck lid, oil can effect

I have been restoring a 65 impala SS. Body work is a hobby; not my profession. While stripping the paint off my truck lid, paint remover; not blasting, I notice it has an oil can effect. I see no signs of metal repair or stretching. Is this normal? I had planned to skim coat with filler but now afraid the weak deck will pop in and out and crack what little filler is on it. Should I heat shrink the deck even though it appears to be straight?

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Old 05-27-2009, 11:35 AM
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Can you put any seam sealer or something between the skin and the inner structure?

Brian
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Old 05-27-2009, 12:27 PM
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it has an oil can effect
From the reply, I'd guess the skin is not secured, loose in the middle. What exactly is an oil can effect?
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Old 05-27-2009, 01:50 PM
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Pops in and out
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Old 05-28-2009, 10:41 AM
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spray foam in inner ribs???
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Old 05-28-2009, 04:47 PM
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Oil can effect; like pushing in on the bottom of an old oil can....it pops in and out. (Showing my age) Thanks for the suggestions. I think I may try some seam sealer. There was spots of it; old and cracked out.
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Old 05-28-2009, 08:42 PM
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Originally Posted by bobjob
spray foam in inner ribs???

Make sure to use the right stuff, things like great stuff will make problems by pushing it to far out. and some other glues can draw it down as it drys. My suggestion is anti-flutter foam (lord fusor has some) or depending on how bad it is some insulation/sound deadening mats (Dynamat) my be able to help.....good luck
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Old 05-29-2009, 05:51 AM
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If you try to shrink it, the common advice, you might make it worse.

Oil cans are more likely made from an area that is shrunk.

A great example is to take a piece of paper and do a small 1/2" tear on the side. Now ever so slightly overlap the tear and notice the paper develop an oil can spot. The cause is clearly from one side becoming slightly smaller so the fix is to find the shrink and stretch it.

In reality finding the offending spot which could need shrinking or stretching is not easy and requires an experienced eye. Frequently the problem is from a dent on a curved section. A good highlight of this is to push in the side of a soda can. Notice the two points you create and the side gets obviously shorter. Now massage the dent out and you will find that side is still slightly shorter. It does not take much create these problems and the problem could be so slight you would be hard pressed to find the area, or it could be the accumulation of a bunch of minor problems.

Sometimes with these oil can problems the best solution is a careful masking with the correct materials behind the panel.

What ever you do, do it in small amounts as you can very easily over do the repair and make it worse when you are first learning how to approach this type of repair!
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