Ive been trying to fix up an 85 wagon in another thread, and needed another motor. The motor that's in it has low compression and a bunch of other problems. I sourced another motor off of car-part dot com, and when that arrived, well, thats not in what you would call great condition either, although far better than the original motor.

Anyway, I went into the new motor as far as pulling the lower and upper oil pan, and every other external component to replace all leaking seals and whatnot, and I've decided that if Im going that far, I might as well rebuild the whole engine and be done with it. Partly it has to do with all the crap inside the cylinders, which is probably leaking valve seals, but maybe also from the EGR, not completely sure.

Ive never rebuilt a 617, so if anyone has any advice or opinions, id be much obliged.
First, its not a wagon engine (explanation in the other thread), the part number on the head is 6170160301, and on the block is R617014060.

I need to source rebuild parts, is this a good site for them?
I want to send the injectors and pump out to be rebuilt, how is the pump attached to the timing device? Can I just unbolt it from the back side and pull it out, or do I have to remove the chain first?
here are some pics so far-

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