This thread reinforces what I'm saying - read Arthur Dalton's and the last post by SteveFL:

http://www.peachparts.com/shopforum/tech-help/66625-1991-300e-c-question.html

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03 540I (GAK!!)
81 280E (W123)
70 LeMans Sport with pissed off Poncho 462"
1989 Silverado Step Side (under the knife- complete restomod)