Help please I need to know the best engine manual for my 87 300SDL. I have a mercedes manual that covers the 80's but it is sparse on the 603.9xx. Reason needed, cracked head. Anyone have one . Also, will a 603.97x head fit what cars have one/are compatable? Thanks all.

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87 300SDL 220K
85 300SD 218K
82 diesel Chevette 440K
85 subaru 4WD turbo
83 4.1L buick powered cutlass THE TOY