Originally Posted by old_beater
how do I switch out over?
If you use the search function for "removing 1990 ABS" or similar, you will find lots of info on this, but the summary is as follows:
1. Acquire vacuum power booster, master cylinder, and proportioning valve for 1995-1996 model.
2. Remove your existing pump, accumulator, and distribution system. Save all hard lines for possible reuse.
3 Install parts from step one.
4. Fabricate hard lines to connect various ports and install same
5. Bleed system.