Enough Already or am I to old for this nonsense.. - Page 8 - Alfa Romeo Bulletin Board & Forums
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post #106 of 132 (permalink) Old 06-06-2019, 10:41 AM
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Very impressive. I've been told to look for sagging rockers when buying a Spider (weak from rust or poor repair work). They tell me to look down the bottom of the door and make sure the rocker gap follows the door. Your job is spot on! Keep up the good work!
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post #107 of 132 (permalink) Old 06-06-2019, 11:06 AM Thread Starter
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I love the work you're doing!

Another question and again, please don't take offense, I'm not a welder, so I'm curious. The frame member under the floor pan was out - I'm assuming it was so the floor pan could be installed. Does the body/chassis flex with the frame member cut out? If so, is there some sort of jig that you use to align everything before welding the pieces in? Or do you use hand tools (levels, protractors, etc)?

Thanks again for the photos. Looks awesome!
Remember all sills have been replaced already, it would have been easier and possibly destabilizing to do the floor at that time. The floor panels are constructed in such a fashion as best suited for an initial assembly's , and are a challenge as a repair, (unless you willing to do a patch, ) which I am not.

Post #100 hints at the issue, that support running longitudinally (part of gearbox support) was removed to install the floor pan without a patch job. a multi wall pipe has been constructed as a repair and with technique of brazing within the double wall structure (once removed) the repair will overlap the Id of the section removed, and outer section will be mated and then plug welded (through and through) the floor pan and remaining outer floor pan support is TIG welded and seam filled...

The older I get.. the faster I was....
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post #108 of 132 (permalink) Old 06-06-2019, 12:23 PM
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I think I got it. Since the rockers are solid (and the drive shaft tunnel is intact), there's no flex/sagging when removing the frame member and floor pan. So, to do the job properly - change the floor pan vs patch, the frame member can be safely removed and was done. The floor pan is removed and the floor prepped. The frame member is then installed with a "repair" section that overlaps on the inside to make it strong (I'm assuming on both ends of the removed section), then it's welded to the floor pan with plug welds. Then the floor is welded in place and seam filled, ground, etc.

I have a 1974 Spider that's going to need floor pan work. The rust is minimal, but there are holes, so I'm not sure if I should change the entire pan or do a repair job. It's a low mileage, very original car, so I'm thinking it's best to change the pans.
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post #109 of 132 (permalink) Old 06-06-2019, 12:56 PM
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I'm sure I've seen the floor panels installed with that chassis rail and rockers still in place, but maybe by splitting them in half. I installed the floor first and then the sill/rocker chassis rails, but yeah unnerving looking at your car cut back to the gearbox tunnel. I had a chassis frame holding it all together.

As always, there are many more ways to skin a cat
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'71 1750 Series 2 GTV:
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post #110 of 132 (permalink) Old 06-06-2019, 08:16 PM Thread Starter
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I forgot to mention a floor jack supported the weight of the gearbox and engine, we incorporated masons levels on the X, Y planes, (primitive but a good reference)..

The older I get.. the faster I was....
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post #111 of 132 (permalink) Old 06-07-2019, 12:28 PM
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I am about to head down the exact same road with my new to me 86 Graduate. I hope i don't run into as much rust, but i know i have some of it. Thanks for the pictures and info.

1986 Red Alfa Spider Graduate
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post #112 of 132 (permalink) Old 06-07-2019, 02:07 PM Thread Starter
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Spider Restoration.... or am I to old for this nonsense..

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I am about to head down the exact same road with my new to me 86 Graduate. I hope i don't run into as much rust, but i know i have some of it. Thanks for the pictures and info.
Boy I hope not...
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The older I get.. the faster I was....
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post #113 of 132 (permalink) Old 06-07-2019, 02:43 PM
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Boy I hope not...
What is your shipping address in case i do? lol

1986 Red Alfa Spider Graduate
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post #114 of 132 (permalink) Old 06-07-2019, 05:26 PM Thread Starter
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What is your shipping address in case i do? lol


I am in New York on the cross roads of Stupid and Broke...

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post #115 of 132 (permalink) Old 06-12-2019, 11:00 AM Thread Starter
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Spider Restoration.... or am I to old for this nonsense..

So........ floor pan is in ...left side from bottom right side from top..then slid it forward an inch. what a pain in the ***. Tucked up into inner sill properly. screwed in to hold place now for the seam welds..
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post #116 of 132 (permalink) Old 06-12-2019, 12:39 PM
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Tidy

Pete
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post #117 of 132 (permalink) Old 06-12-2019, 02:54 PM Thread Starter
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@PSk Thanks Pete ...I think I am getting neurosis symptoms..tucked up properly, taking my time to weld in, trying for minimal distortion.. hope I live long enough to enjoy this....
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post #118 of 132 (permalink) Old 06-14-2019, 07:59 AM Thread Starter
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Dam!!!! got into the groove and ran out of Argon.....
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post #119 of 132 (permalink) Old 06-14-2019, 08:58 AM
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Dam!!!! got into the groove and ran out of Argon.....
I hate when that happens!

Everyday is a school day. Learning something new all the time

View my '74 GTV restoration at:
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View my '91 164s adventure at:
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But wait there's more: View my 164LS thread, now parts car status:
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You're kidding, another one?! 1984 GTV6 Maratona
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You didn't...oh yes I did. '73 Berlina graduate course in rust repair. No thread yet, don't want to piss off the GTV

You didn't...oh yes I did II. 1995 164LS 5 speed, awesome when it runs!!!

Musings on shop related items:
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post #120 of 132 (permalink) Old 06-14-2019, 03:53 PM
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Those pans look SO good, my 73 had silver dollar size holes that I patched.
Wasn't must rust on the car when I got it, being an Arizona car from Bisbee.
Slow but still working on it.
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"No chance, no destiny, no fate can circumvent, change or control the firm resolve of a determined soul"

73 Spider
80 BMW e21(Sold, gone to Houston)
79 Spider (sold)
78 Spider (sold, gone to U K)
Greg
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