I've heard various things I "need" to do first in regards to cleaning
out the head bolt holes in the block (like getting the oil and crap out)
and I want to clean the pistons and block top as good as I can prior. I
was AMAZED how clean the block was. I could still read the numbers
painted on the passenger side, below the turbo. No oil anywhere.
Ben near Detroit
On 4/26/2011 4:25 PM, Nate wrote:
>
>
> ! YAY ! .
>
> I'm sure you'll do just fine Ben .
>
> Be _SURE_ to print out the cylinder head torque diagram and
> _FOLLOW_IT_ ! the order in which you tighten the bolts is critical .
>
> I , personally use an old racing trick on every engine : I snug up the
> bolts then I begin torquing them down in 5 # increments ~ yes this is
> time consuming *but* it draws the head to the block *perfectly*
> evenly.....
>
> I hope that putting a fresh head against old piston rings , doesn't
> wind you up with oil leaks from a pressureized crankcase ...
>
> Of course , you already have ALL the various sized O-Rings for the oil
> tube seals ? there's a bunch of that crap that leaks like the devil
> and is easy to change now with the manifolds off , not so much once
> it's buttoned up , just ask Tom .
>
> -Nate
> Ben wrote:
> >
> > Jeez Louise! I sent the head out over 2 months ago and finally, yes
> finally after waiting for parts (prechamber shims, intake and exhaust
> guides, etc., the machine shop finally returned to me a "perfect"
> head. Better be! I rebuilt the turbo myself but had the shop balance
> the turbo (at TN Nate's suggestion) so that's done. Got the rebuild
> kit for the vacuum pump from Peachparts; had the starter rebuilt while
> that whole side was open, putting a new water pump on, etc. Sent the
> radiator out for a once-over. Got all the sundry parts (yeah right) so
> reassembly to commence this coming Friday/Saturday. Until I see that
> missed a part (like rubber exhaust hangers, damn!).
> >
> > Never done this in my life I must say. Any last words for a rookie
> about to rebuild the entire upper half of a OM617 with nothing but a
> FSM and a dream?
> >
> > Thinking about prep before head is remounted, what should I be doing
> to get the block ready? Want to desparately flush the cooling system
> but sort of can't now with the head off, lest I get crap where I don't
> want it. Fire away ladies and germs.
> >
> > Ben near Detroit
> >
>
>
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