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TR4/4A Oh crud - not encouraging...

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As you mic the journals and inspect the old bearings you will want to note if any machine work has been done already (i.e. are they undersized?).
 
Geo Hahn said:
As you mic the journals and inspect the old bearings you will want to note if any machine work has been done already (i.e. are they undersized?).
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Also, don't assume the mains are the same (under)size as the rods.
 
Full stop - check this out. Total rebuild time. Leaves suggest it was stored outside at some point - no way it makes any sense to try and freshen this up. Hope the block can even be saved.



 
Wish I had a garage floor as nice as yours.:joyous:
IMHO...I would discard that engine and buy another complete running engine, or buy an engine that is not rusted and recondition it.
 
tdskip said:
Full stop - check this out. Total rebuild time. Leaves suggest it was stored outside at some point - no way it makes any sense to try and freshen this up. Hope the block can even be saved.
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Yup. But the block can probably be saved. If the lifter bores are ruined, there is a kit available that has sleeves and smaller diameter lifters.

IMO PB Blaster or Kroil/Silikroil are better penetrants than MMO. Wet down the joint and let it work for a few days (or weeks). Wally-mart has PBB as do most of the "big box" stores.
 
Someone correct me if I'm wrong, but I think the block is the same as TR3/A. The front plate is different for TR4/A, but you should be able to reuse your old one.

I've got several, but surely you can find one closer to home and not have to ship that big chunk of iron clear across the country! Besides, I'm not crazy about having to dig one out and pack it for shipping. Don't even want to think about all the things that would have to be moved out of the way (like the bandsaw and I don't know how many crates of parts) to get the cherry picker back in there.

Try Ted Schumacher, he's a lot closer to you and I'll bet he's got a couple of them laying around. If not, I might know of one or two in IN (which is still a lot closer to you than CA).
 
I am actually about 30 minutes away :smile:

That said, if not convienient then no worries. Just thinking about moving a big bandsaw makes my back hurt.
 
Oh, OK. Let me ask around, I can probably find one that's easier to get to.
 
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