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Do you oil to clean it off? Their website say you can leave it on and it won't hurt the engine but....I’ve never added lube of any sort when using plastigauge. The plasti will squish out as designed, IMO.
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Do you oil to clean it off? Their website say you can leave it on and it won't hurt the engine but....I’ve never added lube of any sort when using plastigauge. The plasti will squish out as designed, IMO.
I use a degreaser as the final wipe down anyways, and that has always done the trick. I’m sure you know, but plenty of assembly lube for the final install! As for lube, I like the red “ultra slick”Do you oil to clean it off? Their website say you can leave it on and it won't hurt the engine but....
Thanks.You use "Plastigage" on dry surfaces. Remember there is already clearance there. So the plastic will flow into the empty space.
.Thanks.
Your thoughts on the pits in the bearing surface?
Ok now how about the main. I think good for a while considering the remedy would be painful.The bearings look good to me. Better than the bearings I had and was looking at in my old multi-fuel. Mine had the polished metal part worn off with a brass looking sheen showing under it, which from my understanding was a lot of wear. The pits I don't think affect anything. What's really important is how the crank bearing surface looks. As long as there are no scratches you can feel or catch with your finger nail and discoloration, then your good. Just make sure to rub some oil on those before re-assembly, that's definitely one part you don't want turning dry! I don't recall what I torqued mine down too.
.Ok now how about the main. I think good for a while considering the remedy would be painful.
BTW plasti read .004 on that rod bearing.
The pitting on the bearings is more than likely due to moisture in your oil. When it gets hot enough the water boils off and cause's these small pits. The only cure for excessive moisture in an engine is to run it on a daily basis.Thanks.
Your thoughts on the pits in the bearing surface?
Should be able to tell by the wear pattern, the bearing should match the crank journal. I did the same thing, took a while to match the tiny little wear patterns.Ok I may have screwed the pooch.
I used plasti on the main I removed, actually the thrust main, and it is from .003 to .004. .004 on the sides where the wear is.
But when I was taking it back out, I dropped it lost the orientation. I can see no marking on it indicating orientation and yes I failed to mark it.
The bearing ends were not flush with the cap, that is one is up by about 1/8" and obviously the other side was down, but it came loose after removal. I believe I got the bearing to cap orientation correct.
One side of the thrust bearing has more wear than the other, but I cannot tell which way it goes by looking at crank.
So far I have seen nothing indicating requiring removal of the engine. Which is good since I have no hoist or stand.
Am I toast or is there another way to make certain I have the correct orientation?
.Should be able to tell by the wear pattern, the bearing should match the crank journal. I did the same thing, took a while to match the tiny little wear patterns.
OK can't tell anything by looking at the journal. Perhaps if it was out and on a stand I could but not in the frame. The best I can do is looking at the sides of the bearing where they run on the crank. One side of the crank has considerably more wear than the other as does one side of the bearing. Of course it could be the top half of the bearing causing the wear..
Agreed! Magnifying glass... You should be able to match the wear pattern. Put it together, look, then try it the other way. With some magnification you should be able to figure out proper orientation.
.OK can't tell anything by looking at the journal. Perhaps if it was out and on a stand I could but not in the frame. The best I can do is looking at the sides of the bearing where they run on the crank. One side of the crank has considerably more wear than the other as does one side of the bearing. Of course it could be the top half of the bearing causing the wear.
I'm out of brake cleaner so when I restock, I'll clean it super good, add assembly lube and install as above with fingers and toes crossed.
So what would happen if I replaced only the bottom half of the bearing?
Pardon me for not understanding but how do you check the wear pattern if it's bolted in place, Ed? LOL.
I don't think - just my opinion - that replacing half or only the "upper" and "lower" on one journal isn't going to be any better than getting half of a bearing set installed wrong.
You should be able to bolt the main back in place, then look - maybe even with a mirror to see the wear pattern and get the "fell out" bearing oriented correctly again. Hopefully.
My name isn't Ed Pink, so I don't know exactly how much weight my opinion carries.
.Pardon me for not understanding but how do you check the wear pattern if it's bolted in place, Ed? LOL
Also, what if the bearing is correct but the cap is not? Does the actual cap orientation matter?