close thread problem was solved

 

Pic?

 

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I suspect @TomCat39 deleted my post, so i'll have to write it again.


Pic needed, but typically a barely noticeable fingernail sized groove in a crankshaft is okay and can be polished out by hand. I buy brand new Subaru EJ257/EJ251 crankshafts from the dealer at least once a month and periodically they'll have tiny gouges that I just polish out. These gouges come from bouncing around the box during shipping.

 

I was attempting to help you land on a nice post count of 1 and a quarter centuries. You posted too quickly after to see the nice number.

Also your post was rather vague and appeared sarcastic in intent.

This post you provided is much more informative and helpful. Thank you @slomofo.

 

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Dude, 600 grit sandpaper is what you would use for polishing wood.

 

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Not trying to knock on your mechanical skills I don't know how else to put this, but that sounds like it may have been assembly error.

600 grit will remove material and have visible scratches that you can drag your fingers across and have your nails catch on. Even if you polished it properly, you still should've gone through and mic'd each journal and/or used plastigage to see exactly where you were at as far as clearances were concerned, but from your description of the events that unfolded, it almost sounds like improper torquing as well as incorrect bearing size.

Do you use a micrometer, bore gauge, dial indicator, plastigage, or assembly lube when you assemble?



@TomCat39

 

It was below the surface

 

That little ding probably won't affect anything. If it were me, I'd remove any raised edge with a file, and just run it.

 

If it's above the surface, fix it now. If it's below the surface, let it ride.
And when I say fix it, I mean take it to get micropolished at a machine shop. Do NOT use 600 grit or anything of that nature. The journal has to be Damn near perfectly round within .0001" or else your back to square 1.

 

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Doesn't look like it has any raised edge.


Pretty much, if anything is sticking above the surface, it needs fixed, but if it's all below the surface, it's fine.

 

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Where did you buy it from? Nobody makes this cranks anything else you find will be "re-manufactured" which means cut and will come with matching bearings.

 

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Maybe you can tell us after you run it?

 

close da thread