proper finish on suspension bolts for rebuilding a 101.23 Spider - Alfa Romeo Bulletin Board & Forums

 
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post #1 of 7 (permalink) Old 03-18-2017, 01:20 PM Thread Starter
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Question proper finish on suspension bolts for rebuilding a 101.23 Spider

Since the suspension is grease covered, and difficult to determine how the bolts may have originally looked, and I want to reassemble with the correct look for the bolts, can some of you, who I'm sure know the answer, please shed some light on this question?
Thanks, Nick and Jeff
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post #2 of 7 (permalink) Old 03-18-2017, 05:13 PM
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Most were black oxide coated from new......

Possible to have them pro-coated. I use my Caswell Zink plating kit and then the blackening agent.

'64 Guilia Spider
'67 GTV
'68 Giulia Super

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post #3 of 7 (permalink) Old 03-18-2017, 06:43 PM
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Black oxide was on the majority (through stub frame) bolts.


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post #4 of 7 (permalink) Old 03-18-2017, 08:36 PM
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Nick,

Are you restoring the Spider that serves as your avatar?

What wheels are on that Spider?

Thanks,

Ray

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'64/66 Giulia Spider finally back in the garage and painted
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post #5 of 7 (permalink) Old 03-20-2017, 08:31 PM Thread Starter
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Hello folks: I've gotten useful information on the original topic of this thread, so I thought I'd go to another question, namely, what would the finish be for the variety of fasteners that attach through-the-firewall fixtures, e. g., "Bulkhead (firewall) cable grommet retaining clamp plate" and the fixtures, themselves?
Thanks! Nick
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post #6 of 7 (permalink) Old 03-21-2017, 07:46 AM
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Pre-1970 or so the hardware was a clear cadmium, dull silver coating. Later they used a gold cadmium finish.

Expensive to get the real cadmium finish anymore as the EPA deemed it a polutant.

I use the zink plating method witha 'brightener' chemical to mimic clear cad.
For gold there is a gold dip that really looks right.

When I am refreshing a car, I like to put all of the hardware from each small area into a labeled zip-lock bag. Then as I get to each area, the hardware is cleaned, bead blasted and plated using the Caswell kits. No lost parts, no trying to find what washer goes with what screw.

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'67 GTV
'68 Giulia Super

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Last edited by 101/105guy; 03-21-2017 at 07:50 AM.
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post #7 of 7 (permalink) Old 03-21-2017, 07:51 AM
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Thought I sent you the answer....


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