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 Post subject:
PostPosted: Mon Mar 30, 2009 8:17 am 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13056
Location: Fircrest, WA
Car Model: 76 D100
Nope, didn't change the valve cover. It is still the "ribbed" style. I don't know if it is the original valve cover or not, but the grime and gunk buildup on the engine makes me think it is untouched and original. Of course, who knows after 35 years.... :roll:


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 Post subject:
PostPosted: Mon Mar 30, 2009 5:46 pm 
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Supercharged
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Joined: Thu Jan 27, 2005 8:32 pm
Posts: 7834
Location: Portland-ish
Car Model: Fiat 500e
Yeah, that's an older valve cover. I think they look better than the later flat one myself.

Ohh, you're going to butt weld the new corner section. I think I would have flanged the car side and lap welded the new section. Flanging pliers are the only other tool you'd need.

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PostPosted: Mon Mar 30, 2009 6:04 pm 
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Supercharged
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Location: Fircrest, WA
Car Model: 76 D100
Uh oh, we already cut the metal too small to flange. :( I'll go slow and not weld too much in one place. I ordered some of those fancy panel clamps Eastwood sells to hold the two panels together while it is tacked in place, and I am using JW Harris "Twenty Gauge" cored wired. Hopefully it will turn out okay in the end. We're not going for show-quality work, but it needs to look presentable.


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 Post subject:
PostPosted: Tue Mar 31, 2009 7:50 am 
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Turbo Slant 6
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Joined: Tue May 01, 2007 1:59 pm
Posts: 830
Location: joyce wa
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Reed you could use a "backer" strip to tie it together and have a little something to burn into,couldn't hurt 8)

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83 B-150 slant 6,4 speed. 79 B-300 360 pathfinder 4x4. 74 W-300 318 4x4 git-r-done 80 B-100 sl6,4speed


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 Post subject:
PostPosted: Tue Mar 31, 2009 8:51 am 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13056
Location: Fircrest, WA
Car Model: 76 D100
I plan on doing that in a few places. I see some Bondo in the future....


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 Post subject: Day 3, first welding
PostPosted: Mon Apr 13, 2009 3:51 pm 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13056
Location: Fircrest, WA
Car Model: 76 D100
:oops: Okay, don't laugh too hard. This is the first time I have ever tried this type of welding before.

Image

This is actually the second pass over that particular joint. The first pass was done with no backing metal behind the joint and was a simple butt-weld, but with a 1/8 or so gap between the panels. Ugly and most of it didn't work.

So I tried using a metal patch piece behind the joint and the weld went much better.

That one weld is all we got done, but it feels good to finally be moving on this corner of the car. Lots of Bondo work in the future, but it should come out OK for a daily driver.

Those panel clamps from Eastwood are really cool, and VERY helpful in aligning everything.


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 Post subject:
PostPosted: Mon Apr 13, 2009 3:53 pm 
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Supercharged
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Joined: Thu Jan 27, 2005 8:32 pm
Posts: 7834
Location: Portland-ish
Car Model: Fiat 500e
If you have some copper strip or sheet you can put behind the joint it will help a lot. Eastwood sells copper spoons for this kind of welding.

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 Post subject:
PostPosted: Mon Apr 13, 2009 4:18 pm 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13056
Location: Fircrest, WA
Car Model: 76 D100
Thanks Josh. I am actually using pieces of the dented portion that I cut out as a backer to the joint. So far it seems to be working well. The real test will be when I try and weld the bottom seam.


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PostPosted: Tue Apr 14, 2009 5:31 pm 
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EFI Slant 6
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It might be a good idea to weld the piece in several spots around the perimeter before you stitch any one seam up solid. That way the warping will be less likely to open up nasty gaps and screw up your pretty fit.

Cool duster!

radar in philly

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 Post subject:
PostPosted: Tue Apr 14, 2009 6:52 pm 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13056
Location: Fircrest, WA
Car Model: 76 D100
Thanks for the advice and encouragement. I am trusting to Bondo to take care of making it look good. Now that the piece is held by that first seam, I will jump around to different spots to minimize warping.


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 Post subject:
PostPosted: Wed Apr 15, 2009 11:17 am 
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Supercharged
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Posts: 13056
Location: Fircrest, WA
Car Model: 76 D100
I was speaking with a gentleman about this welding project and he mentioned a neat trick- he said I should try using a wire coathanger (with all the paint stripped off) as filler in the big gap. The coathanger woudl act as filler metal as well as assist in dispersing heat buildup. I am going to give it a shot. My welding skill are not the best, and I don't want to have to go back and grind everything down more than necessary. This coathanger idea sounds like it might be just the ticket. 8)


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 Post subject:
PostPosted: Wed Apr 15, 2009 11:01 pm 
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Board Sponsor
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Joined: Wed Nov 06, 2002 1:57 pm
Posts: 2207
Location: Everett, WA
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Don't use a coat hanger! Use the proper rod for whatever welding setup you have. The coat hanger metal is full of impurities and will make poor welds.

For example, with my gas setup, I would use the smith 201 tip and copper coated steel rod. The patch panel should have a gap about the width of the rod from the parent panel.

The trick is to fill the gap. To do that you tack and let cool. Each tack should be on the opposite end from the last. Once you have tacks every inch, you can start filling in between. Remember to go slow and let stuff cool off berfore proceeding.


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 Post subject:
PostPosted: Thu Apr 16, 2009 8:29 am 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13056
Location: Fircrest, WA
Car Model: 76 D100
Thanks! Like I said, this is my first time doing this sort of welding, so I really appreciate any and all suggestions.

I am currently using .030 gauge wire of the "Twenty Gauge" brand sold by JW Harris/Perfect Circle. It has worked well for me in the past on the few bits of sheetmetal I have welded. Should I try a thinnner wire? It was recommended to me that I try a .023 wire.


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 Post subject:
PostPosted: Thu Apr 16, 2009 1:12 pm 
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Supercharged

Joined: Thu May 12, 2005 11:50 pm
Posts: 6291
Location: So California
Car Model: 64 Plymouth Valiant
Thinner wire is better (easier) for thin gauge metal

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64 Valiant 225 / 904 / 42:1 manual steering / 9" drum brakes

8)


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 Post subject:
PostPosted: Thu Apr 16, 2009 2:24 pm 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13056
Location: Fircrest, WA
Car Model: 76 D100
OK. I will go to the local welding shop and see if I can scare up some thinner wire and the correct tip for my welder. Thanks!


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