I was about to paint trailing arms on my 85 300D, but after scraping off dirt etc, noticed some pinholes. Looks like I have some rust. Tapping indicates arm is generally solid except in those areas.

Ideas that come to mind:
-POR/JBWeld plus spray interior with Fluid Film or similar.
- Weld repair
- Replace with good used.

I am about $2600 and 9 months into an overall rust repair. But, we don't NEED this car, so there has to be a limit.

What do you think about the repair options?

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Graham
85 300D,72 350SL, 98 E320, Outback 2.5