Pic Request: E30/M60 (or M/S62) with with E30 heater connections

[The Dark Side of Will]

I am looking for the post where someone modified the crossover. Could have sworn someone cut the necks off and turned them for mor clearance.

Also confused on the plumbing, where each will go

You may be thinking of Monkey Madness' crossover:

http://www.r3vlimited.com/board/showpost.php?p=3755618&postcount=156

(and following posts)

Worked out to be a really clean setup:

[LoneWolf]

So the large o-ring hole there where The larger valley pipe goes, that's the coolant return to the pump correct?

What is the smaller o-ring hole/valley pipe for?