1969 parts with gold iridite finish

[Robert N.]

I have read the posts on the "flexible" use of chromate conversion terms, ie yellow dichromate, gold iridite, gold dichromate, gold chromate. Don't want to rehash here.

I looked at the JG for 69, see the headlight and wiper door actuators and valves plus the MC cover are gold iridite. Before I batch my parts for the plater, anything else I should look at?

BTW, carb already rebuilt and gold dichromate (at least looks ok to my untrained eye)

Thanks, Robert

[Jeffrey S.]

Re: 1969 parts with gold iridite finish

Robert,
The only other things I can think of that is that finish are the brake caliper brackets and the bracket that holds the solenoid for the headlamp washer. That is the part that extends from the left (passenger) side of the washer pump. It also has a part number ink stamped and a date. The bracket is easily removable from the assembly. There may be more but right know that's all I remember.
Jeff

[Joseph K.]

Re: 1969 parts with gold iridite finish

Jeff,

What kind of stamp is on the headlight washer and how can it be reproduced?

[Keith L.]

Re: 1969 parts with gold iridite finish

What about the bracket for the brass brake distrubution block?

[Joe L.]

Re: 1969 parts with gold iridite finish

What about the bracket for the brass brake distrubution block?

Keith-----


Yes, it was a very light irridite. However, this bracket cannot be removed from the block for separate plating.

[Joe L.]

Re: 1969 parts with gold iridite finish

Robert,
The only other things I can think of that is that finish are the brake caliper brackets and the bracket that holds the solenoid for the headlamp washer. That is the part that extends from the left (passenger) side of the washer pump. It also has a part number ink stamped and a date. The bracket is easily removable from the assembly. There may be more but right know that's all I remember.
Jeff

Jeff------


...the FRONT brake caliper brackets.

[Joe L.]

Re: 1969 parts with gold iridite finish

I have read the posts on the "flexible" use of chromate conversion terms, ie yellow dichromate, gold iridite, gold dichromate, gold chromate. Don't want to rehash here.

I looked at the JG for 69, see the headlight and wiper door actuators and valves plus the MC cover are gold iridite. Before I batch my parts for the plater, anything else I should look at?


Thanks, Robert

Robert-----


An item not mentioned is the cover of the solenoid valves used for the headlamp opening system and the wiper door opening system. Unfortunately, these covers are crimped and cannot be removed for separate plating.

[Steve L.]

Re: 1969 parts with gold iridite finish

Keith-----


Yes, it was a very light irridite. However, this bracket cannot be removed from the block for separate plating.

I did this myself with the Caswell kits. I masked the bracket then sprayed the body with clear. Then removed the masking and plated the bracket.

This is the advantage of doing small parts yourself.

[Rich C.]

Re: 1969 parts with gold iridite finish

I don't want to open a can of worms....but weren't some of these parts gold cadmium? I know they look SIMILAR but gold cad seems to have a deeper yellow color. Just a thought!

'73 LS-4 454 owned 21 3/4 years

[Jeffrey S.]

Re: 1969 parts with gold iridite finish

Joe,
You are correct. I wasn't thinking about the rears when posting. The bracket for the valve can be easily removed (uncrimp the tabs) and the cap can be plated right where it is. I also used the Caswell system for these and used vacuum plugs to block off the ports so liquid would not get in
Joseph,
I am out of town until Sunday and when I get home I will take a picture of this and post it. I used a rubber stamp with removable characters and stamped it myself.
Jeff

[Joe L.]

Re: 1969 parts with gold iridite finish

I don't want to open a can of worms....but weren't some of these parts gold cadmium? I know they look SIMILAR but gold cad seems to have a deeper yellow color. Just a thought!

'73 LS-4 454 owned 21 3/4 years

Rich-----

The gold color is produced by chromic acid. It has virtually nothing to do with the substrate plated metal (i.e. either zinc or cadmium).

[Robert N.]

Re: 1969 parts with gold iridite finish

Thanks all, good info!

I'll check to see if the plater can plate the solenoid valves and apply the wash to the top only. If not, is there a point difference between plating the whole thing gold vs just leaving it bead blasted with clear coat? Both are wrong, but wrong costs less with the latter ...


I guess the repos are wrong on two counts, all gold and only one tab on top instead of two.

No free lunch ...

[Robert N.]

Re: 1969 parts with gold iridite finish

Realize my confusion in my above post now that I am looking at a valve. The lower portion is plastic, I was thinking it was metal and plated differently. I also see where the bracket has tabs that can be bent to remove. So the repos are right color but wrong top config, w/one raised line instead of two opposite "bumps". Which is the lesser of evils?

[Terry M.]

Re: 1969 parts with gold iridite finish

Since we are talking 1969 don't forget the AIR system diverter valve. There you do have the metal bottom and gold colored diaphragm on top. And that is ALL metal.

[Paul J.]

Re: 1969 parts with gold iridite finish

Rich-----

The gold color is produced by chromic acid. It has virtually nothing to do with the substrate plated metal (i.e. either zinc or cadmium).

The use of chromic acid has been banned in California for some time, although it can still be used in many other states. I don't know of any non-industrial platers that still use it.