Jack,
The previous owner(s) installed zerks in the top front ball joints only. I removed one and measured the thread, it is 8mmx1.0 I have a source for these straight, 45, and 90 degrees. The tech article explains to drill & tap the center of the up-right casting and also drill through the inner steel sleeve. This will allow grease to fill the cavity between the casting and sleeve as well as between the sleeve and the rod. Is this still current advice? Thanks.
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