Great list, thanks.
EGR? What's that?
The ALDA input is boost referenced.

I agree, chances are the conversion is not worthwhile. But you never know 'til you ask. For example, think if the a/c system could easily be converted to manual control, like a simple swap with a 240D. I bet about half of us, the half with persistant vacuum leaks, would have done it.

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I suggest we solve high gas prices with environmentalists... unfortunately they don't burn well.
1982 300CD, 220K miles: This vacuum system will be the death of me yet! (OBK #26)
1977 F150 400 C6 2wd, 10.2 sec 1/8 mile with 2.75 gears.
1965 Mustang. Mostly stock... LOL!
2001 Ram 2500, cummins, 5spd, 202k miles.(girlfriends)