Eco 9 block repair/advise

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Aug 25, 2020 | 01:07 PM

#16

saktoink

Thread Starter

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Joined: Nov 2012

Posts: 8

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From: California

Quote:

Originally Posted by RSMike

I've heard of a similar issue before.
If a machinist can clean up the thrust face on the crankshaft, then it may be reuseable.
The other issue is the thrust bearing clearance. You can't buy oversized thrust bearings.
So you may need to "build up" a thrust washer using a spray-welding method or something similar.
But that will only work if the bearing can be held in the block OK without it falling out.
That ledge you've highlighted may be an issue.

At this point I am looking for a used good condition block, but if that doesn't come up soon. I will probably buy a new block. I suspect that the thrust bearing side of the block might be mushroomed too which is another issue in itself. There is no dimensions in the manual for how thick that main journal should be etc. etc. Which probably means that is not a serviceable item. However, I will bring my block to the machine shop to see what they say, but regardless will not be putting this block back in use.