I know nothing about this chassis, but what I do know is the best $20 you will spend on it is here :

http://www.classictechlit.mbusa.com/MB/product.asp?catalog%5Fname=Retail&category%5Fname=1009%28ClassicTechLit%29&product%5Fid=QL%2D6516%2D0507%2D02%28ClassicTechLit%29

The Factory Service Manual is an absolute 'must have' if you want to keep the repairs within your budget and have adequate guidance beyond this forum.

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1982 300TD 210K miles ("The Replacement" aka "The Anvil") - SOLD
1979 300SD 245K miles (never ending project)
2007 Pinarello F3:13
1995 Ducati 916 (SOLD, sniff)
1999 Ducati 900SSie (SOLD)