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> BUILD-OFF CHALLENGE: Tygaboy's '75 LS3, It seemed a good idea at the time...
bbrock
post Jul 4 2018, 04:02 PM
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QUOTE(tygaboy @ Jul 4 2018, 02:39 PM) *

I needed a break from the fire wall. The chassis has a few more spots that need rust repair so I figured I'd get after the frunk seal channels.

Time for my best effort at an impersonation of Brent, Cary and Kent...


You'll be able to do that with your eyes closed. Looking great so far. (IMG:style_emoticons/default/beer.gif)
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tygaboy
post Jul 6 2018, 11:53 AM
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Typical. It's always worse than you think it'll be.
With all the other things I've been doing, I hadn't really looked that closely at this part of the car. As I did, it was clear that I had more to do than I'd originally thought.

This is a BUB car so it has that model's frunk seal channel that's a bit different as it runs across the front of the car. Upon closer inspection, I figured it'd just be easier to lop the whole thing off and fab a channel repair part that was more like the earlier cars'.

Let's start with what hides between spot welded seams. Looks like my plan was more than just a good idea... it was sort of a requirement.


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tygaboy
post Jul 6 2018, 11:53 AM
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Then I used my trusty curve template thingy to get an idea of the curve I'd need.
It always amazes me just how much curve there is in some parts of these little "square" cars.


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tygaboy
post Jul 6 2018, 11:55 AM
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Cut and bend some 20 ga.


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tygaboy
post Jul 6 2018, 11:57 AM
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Then it's off to the shrinker, test fit, shrink, test fit...
Oops, too much! Stretch, test fit, shrink.

I'm calling this my cardio workout for the day. (IMG:style_emoticons/default/laugh.gif)

OK, that's getting there.


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tygaboy
post Jul 6 2018, 11:59 AM
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"Hmmm"
"Well" and "Oh, boy!"

It curves both ways...

Of course it does.


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tygaboy
post Jul 6 2018, 12:01 PM
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Off to the stretcher! Repeat of the earlier process. Fit, adjust, fit adjust...

There we go.

A bit more fine tuning, but you get the idea. Just more fiddly stuff.


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bbrock
post Jul 6 2018, 12:32 PM
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Well done! (IMG:style_emoticons/default/smash.gif) (IMG:style_emoticons/default/smilie_pokal.gif) I love that curved template thingy and had no idea the BUB channels were different. Interesting to watch.
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Dion
post Jul 6 2018, 12:37 PM
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Chris it’s always fun to watch your skills at work. Nice channel building.

I didn’t realize the ID plates were mounted in different locales.
Mine is mounted on my passenger side headlite “box”.


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tygaboy
post Jul 6 2018, 12:52 PM
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QUOTE(Dion @ Jul 6 2018, 11:37 AM) *

Chris it’s always fun to watch your skills at work. Nice channel building.

I didn’t realize the ID plates were mounted in different locales.
Mine is mounted on my passenger side headlite “box”.


Thanks Dion - Yep, earlier cars had the ID on the headlight box, the '75/'76 had the ID plates on the front firewall.
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Mueller
post Jul 6 2018, 01:22 PM
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Looks like real work, I am starting to embrace my rust (IMG:style_emoticons/default/smile.gif)
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Andyrew
post Jul 6 2018, 01:56 PM
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That template tool is one of the simplest and coolest tools I've seen! Great work with the stretcher! Its like it was made to do this type of work (IMG:style_emoticons/default/biggrin.gif)!
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burton73
post Jul 6 2018, 03:00 PM
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I have told you before but you have mad skills.

Keep it going.

Thanks for taking us with you on this reworking of this unreal car.

Bob B
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tygaboy
post Jul 6 2018, 05:07 PM
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Thanks again! I really appreciate all the nice comments.
Back to it, then.

A quick reminder: use up your consumables! I mean really! (IMG:style_emoticons/default/happy11.gif)


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tygaboy
post Jul 6 2018, 05:12 PM
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As I was looking at what else I'd have to fab, I remembered I'd saved some of the needed pieces when I cut up that '72 parts car last year. So it seems I did notice this area but forgot! (Well, I am turning 60 this month... (IMG:style_emoticons/default/idea.gif) )

So, a bit of fitting and I don't have to fab these complex little pieces. Nice.


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tygaboy
post Jul 6 2018, 05:15 PM
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And with those pieces in place, I could finalize the front channel.
It really does fit pretty nicely. Happy, happy, joy, joy!


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tygaboy
post Jul 7 2018, 10:27 PM
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Fabbed up and welded in the underside portion of the headlight bucket channel. I still need to trim the vertical edge to the appropriate height.
Then I moved on and fabbed the lower edge that spot welds on. Here it is ready for final fitment.


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tygaboy
post Jul 7 2018, 10:29 PM
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A little more shrinking/stretching to get the front edge channel width where it needed to be and it was time to spot weld it in. It turned out just like I'd hoped it would.
(IMG:style_emoticons/default/welder.gif) and (IMG:style_emoticons/default/welder.gif) and it's all done!


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tygaboy
post Jul 7 2018, 10:31 PM
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And it's funny, all the hard work and it gets totally covered by the seal. Ah well, I know it's well de-rustified. And this is just the old seal used as a test fit. All new rubber will be used for the reassembly.

With the channel repairs complete, it's back to all the other stuff...


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tygaboy
post Jul 8 2018, 08:28 AM
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Finishing the channel repairs was a nice break from the "how do I want to do this" work I'd been doing. Feeling a bit re-engergized, it's back to the fire wall.
Both upper frame tubes are fabbed and fitted. Now to work out how to close everything off/up.

And that's just copper-rich weld through primer on the frames. Some areas will be welded, some riveted but I wanted to get some protection on the bare metal.


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