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#1 | |
Senior Member
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Location: Martensville, Saskatchewan
Posts: 960
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Re: My 1970 GMC Project
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#2 |
Senior Member
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Location: Martensville, Saskatchewan
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Re: My 1970 GMC Project
Ok so I was welding again tonight and trying to figure out why my welds seemed to be piling up on the surface rather that melting in. So I figured I would give it a little more heat and cranked that sucker up to 2
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#3 |
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Location: Martensville, Saskatchewan
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Well I just found out tonight that I clearly didnt do enough research on flux core welding. If I had, I would have know that the polarity needs to be switched. So I have that done now but before I could grind down my mess that Ive created to try out the welder, my compressor started to sound a little off. So I glance over to see this mess. (Picture 1) So then I decided to do a little investigation which lead me to this mess. (Picture 2) Which in the end lead me to this beauty. (Picture 3)
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#4 |
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Location: Martensville, Saskatchewan
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We have some welds that Im finally pround of
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#5 |
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Location: Phoenix, AZ
Posts: 1,335
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Re: My 1970 GMC Project
Nice work. Ton of metal repair you're having to do. You may not be happy with your welds, but I'm really impressed with your cuts. They seem super precise. What are you using?
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#6 | |
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Location: Martensville, Saskatchewan
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Re: My 1970 GMC Project
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#7 |
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Location: Martensville, Saskatchewan
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Re: My 1970 GMC Project
And we now have a floor pan!
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#8 |
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Join Date: Sep 2010
Location: Casselton, North Dakota 58012
Posts: 1,079
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Re: My 1970 GMC Project
Very cool stuff! I like the vise grips! I was going to do that but after looking at harbor freight the price was too good. The progress you are making is making me jealous! At this rate you will be done in no time!!
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#9 | |
Senior Member
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Location: Martensville, Saskatchewan
Posts: 960
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Re: My 1970 GMC Project
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#10 |
Registered User
Join Date: May 2014
Location: ID
Posts: 663
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Re: My 1970 GMC Project
Your repairs are looking good. Chasing pinholes can take forever. If you didn't hammer stretch out the weld seams, that will contribute to the floor becoming crowned. (Though, I have found that reproduction pieces aren't perfect). The long weld seams shrink along the length of the seam. That causes the metal in the center to buckle and crown, because it has no where to go. You can usually hammer out a seam, and only need minimal shrinking in the center. But hey, I understand, that is a hard seam to reach and hammer out. The more experience you get at working and welding sheet metal, you will learn how it behaves.
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#11 | |
Senior Member
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Location: Martensville, Saskatchewan
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Re: My 1970 GMC Project
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#12 |
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Location: Martensville, Saskatchewan
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Re: My 1970 GMC Project
More good news! We were tearing out a poorly built mezzanine at work yesterday and I scored 2 new light fixtures for the garage. So I called my dad over last night and we got them up. Almost need sunglasses now
![]() As for the truck, Ive been slowly chasing pinholes from the damn flux core ![]() ![]() |
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#13 |
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Location: Martensville, Saskatchewan
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Re: My 1970 GMC Project
Today was a good day! Got the rest of the pinholes filled!
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#14 |
Registered User
Join Date: Sep 2010
Location: Casselton, North Dakota 58012
Posts: 1,079
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Re: My 1970 GMC Project
Nice! I like the new shiny metal... make the rest of the floor look like that! Did you get any "oil canning" on that floor pan after you got it all welded in? What's the process of getting your supports in - are you going to have to reinstall the brace from back of cab to front first? Or weld in your supports first?
Btw did you get another blast of winter up there? We did last week and today was below zero with the wind. Thought we were on to the next season... |
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#15 |
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Join Date: Sep 2010
Location: Casselton, North Dakota 58012
Posts: 1,079
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Re: My 1970 GMC Project
Welcome back! Like they say - pitter patter, let's get at 'er!
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#16 |
Registered User
Join Date: Oct 2017
Location: Saskatoon Saskatchewan
Posts: 74
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Re: My 1970 GMC Project
Well its about time. Let her rip tatter chip!
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#17 |
Senior Member
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Location: Martensville, Saskatchewan
Posts: 960
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Re: My 1970 GMC Project
Well again I haven't gotten as much done on this thing as I'd like lately but I think that's about to change! Finally not working a side job anymore so I should have all kinds of time on my hands right?
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#18 |
Senior Member
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Location: Martensville, Saskatchewan
Posts: 960
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Re: My 1970 GMC Project
All tucked in for her winter nap.
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#19 |
Senior Member
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Location: Martensville, Saskatchewan
Posts: 960
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Re: My 1970 GMC Project
Haha oops forgot the picture...
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#20 |
Registered User
Join Date: Oct 2017
Location: Saskatoon Saskatchewan
Posts: 74
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Re: My 1970 GMC Project
Well it's about time you got it in the back yard. Now just ditch that cap and you'll be off to the races. I would have to say that out of all the gm trucks these trucks just don't do caps. They look horrible.
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#21 | |
Senior Member
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Location: Martensville, Saskatchewan
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Re: My 1970 GMC Project
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#22 |
Senior Member
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Location: Martensville, Saskatchewan
Posts: 960
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Re: My 1970 GMC Project
Well I'm pretty excited, I finally got my garage back in order and cleaned up. I put up another shelf to make room for more parts!
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#23 |
Senior Member
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Location: Martensville, Saskatchewan
Posts: 960
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Re: My 1970 GMC Project
More progress to report. Got the kick panel and small rust spot in the lower firewall all cut out. Now tomorrow I can fab up a patch for the firewall and hopefully get it welded in. Feels so good to be working on it again!
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#24 |
Senior Member
![]() Join Date: Sep 2015
Location: Martensville, Saskatchewan
Posts: 960
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Re: My 1970 GMC Project
Got my piece made up for the firewall. Accidentally cut too much off of it in one spot by about a quarter inch.
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#25 |
Registered User
Join Date: Sep 2010
Location: Casselton, North Dakota 58012
Posts: 1,079
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Re: My 1970 GMC Project
Kick panel looks good! What's next?
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