Topic: Seat track mounting plates

[CharlesTurner]

I have a contact at a local production plating company here locally.  I sent him an e-mail with the info you provided.  Will let you know if he can help.

Thanks for taking the initiative to try and figure this out!

[EJackson]

I have a contact at a local production plating company here locally.  I sent him an e-mail with the info you provided.  Will let you know if he can help.

Thanks for taking the initiative to try and figure this out!

Thank you for the compliment--sorry for the delay, I was hoping to have results sooner.

If you can ask your contact, I'm curious as to the carbon in the coatings. The materials engineer I worked with thought it was most likely contamination but it also might be an organic dye that imparts the color to the coating.

Ed.

[J_Speegle]

Ed thanks for the effort. Now to figure out how to reproduce it


Glad we were able to find at least an example with a strong original finish

[EJackson]

Ed thanks for the effort. Now to figure out how to reproduce it


Glad we were able to find at least an example with a strong original finish

Agreed. The EDAX was the easy part. 

PM sent.

Ed.

[J_Speegle]

To add to this growing subject of study have the following to offer

Appears that at least San Jose used two different vendors for at least part of the year. This may help explain the variations of finishes or maybe not but the major purpose of the post is the two different styles/designs made and used.

At this point just posting for  considerations. Both examples are fairly close to one another

5R1473xxx - On this car a pair of each version was used. Not something that could be easy to see once installed




5R15089x - Looks like a makers mark stamped on the surface of the plate at about 7 o'clock. Notice you can see a stamp in the third (from the top) one in the picture above also though different loation




Also take note that we have versions posted with "flat" square ends and those that are pointed if we look at multiple plants.  Maybe we have a difference between 65 and 66 or a running change somewhere. Might be visible on an assembled car on the outer post