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02-17-2018, 12:10 PM | #1 |
Registered User
Join Date: Nov 2014
Location: Bigfork, Montana
Posts: 1,137
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Help with "oil canning"
Hey guys, the roof of my cab has some large dents that are oil canned. I can put a suction cup in the middle of the dent & when I apply suction, the dent pops out.
My questions: 1. I assume I need to work the outer ring where the dent starts? 2. I plan on slapping as best I can then using localized heat, yes/no? 3. Apply heat dead on the outer ring, to the inside or outside? I googled & you tubed oil can dents to try & edumacate myself but I don't think it made me any smarter! |
02-17-2018, 04:58 PM | #2 |
Post Whore
Join Date: May 2015
Location: Alabama
Posts: 14,557
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Re: Help with "oil canning"
im not sure how you were planning on heating the outer ring...
but do a search on friction disc...I've seen it used and it works...it may work alot better in the hands if someone that knows how to use it...I've never used one...but its basically a spinning flat metal disc that generates friction heat....
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver Last edited by mongocanfly; 02-17-2018 at 09:55 PM. |
02-17-2018, 05:01 PM | #3 |
Post Whore
Join Date: May 2015
Location: Alabama
Posts: 14,557
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Re: Help with "oil canning"
here's some videos....https://m.youtube.com/watch?v=X8cruauERmI
https://www.youtube.com/watch?v=t2ddTNrR8Ag&app=desktop https://www.youtube.com/watch?v=16VoHllwsiI&app=desktop
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver Last edited by mongocanfly; 02-17-2018 at 09:50 PM. |
02-17-2018, 10:44 PM | #4 |
Registered User
Join Date: Nov 2014
Location: Bigfork, Montana
Posts: 1,137
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Re: Help with "oil canning"
Thanks Greg. I have a shrinking disc, also have a shrinking tip for my stud gun. I'm thinking the disc will work better than the stud gun, it will stay on the high spots & cover more area. Think I'll give it a try anyway.
Thanks for the video links, I'd already seen 2 of the three! |
02-17-2018, 11:00 PM | #5 |
Post Whore
Join Date: May 2015
Location: Alabama
Posts: 14,557
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Re: Help with "oil canning"
theres a rabbit hole of those videos if you can weed thru all the crap.....
__________________
Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
02-17-2018, 11:38 PM | #6 |
Registered User
Join Date: Nov 2014
Location: Bigfork, Montana
Posts: 1,137
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Re: Help with "oil canning"
Ha ha, I speed them up to 2x just to get through them!
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02-20-2018, 01:24 AM | #7 |
Registered User
Join Date: Dec 2000
Location: Boise, Idaho
Posts: 5,989
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Re: Help with "oil canning"
The first thing you need to do is fine the "Crown." The dent will have a "Crown" around the sides, a high spot, that is holding the center of the dent down. Push the dent up and work that crown a bit, you may not even need to shrink.
But if you do, YES the shrinking disc, that is basically a "heat block" heating only the high spots, it's a brilliant tool. Brian
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1948 Chevy pickup Chopped, Sectioned, 1953 Corvette 235 powered. Once was even 401 Buick mid engined with the carburetor right between the seats! Bought with paper route money in 1973 when I was 15. "Fan of most anything that moves human beings" |
02-20-2018, 01:36 PM | #8 |
Registered User
Join Date: Nov 2014
Location: Bigfork, Montana
Posts: 1,137
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Re: Help with "oil canning"
Thanks Brian, love all your posts!
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