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miller19jMale Offline
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Post Icon Posted: May 03 2004,2:12 pm Post # 1 see this member send this member a private message  quote this post in reply
I know I was supposed to do this after I broke in my motor last year but I was having too much fun using it and my oil never got dirty. As a matter of fact it was rather difficult to check my oil last summer because it was so clean.

Anyway I decided to change my oil and filter a few weeks ago (first time for the new motor) and took the filter apart to check for metal. I cut it open and separated the paper filter to inspect for foreign material. I found a few blue plastic bits that I can’t explain (Gasket material maybe?) and a few metal chips. The metal chips looked more like cutting chips from a machining operation that from wear. Maybe a total of three little chips. Other than that the filter was clean no residue no gray powder in it. Is this normal? Are these machining chips that were left in the block during machining that slipped past my cleaning or is it a sign of trouble to come?

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yard bargMale Offline
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Post Icon Posted: May 03 2004,2:41 pm Post # 2 see this member send this member a private message  quote this post in reply
YES MILLER , THAT IS COMMON ON A  NEW BUILD - iF YOU HAD   "ALOT " i would  eyebrow it !   but yours sounds good .  I have a magnetic   drain plug in mine - this also helps remove debris ..... glad you care about your boat enought to do that - two thumbs  daddy'ooo    plastic is  gasket shitzzzel -

Edited by yard barg on May 03 2004,2:41 pm

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Post Icon Posted: May 03 2004,4:56 pm Post # 3 see this member send this member a private message  quote this post in reply
I'll bet that made the stomach tighten up a bit. :eek  If you have no metal other than that you should be in great shape. I'm doing the same thing when we get back from our first trip just for peace of mind.

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Post Icon Posted: May 03 2004,9:12 pm Post # 4 see this member send this member a private message  quote this post in reply
I have never cut a filter open but for one how is your oil pressure holdin up?
A new motor will start out high as it breaks in it will lose some pressure as it wears in.(once warm)By now yours should be constant say 60 wide open and 45 cruising(examples)now if you are at 45 wide open and 30 cruising and getting lower the more you drive that would be a concern

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Post Icon Posted: May 04 2004,6:21 am Post # 5 see this member send this member a private message  quote this post in reply
Quote (miller19j @ May 03 2004,2:12 pm)
I know I was supposed to do this after I broke in my motor last year but I was having too much fun using it and my oil never got dirty. As a matter of fact it was rather difficult to check my oil last summer because it was so clean.

Anyway I decided to change my oil and filter a few weeks ago (first time for the new motor) and took the filter apart to check for metal. I cut it open and separated the paper filter to inspect for foreign material. I found a few blue plastic bits that I can’t explain (Gasket material maybe?) and a few metal chips. The metal chips looked more like cutting chips from a machining operation that from wear. Maybe a total of three little chips. Other than that the filter was clean no residue no gray powder in it. Is this normal? Are these machining chips that were left in the block during machining that slipped past my cleaning or is it a sign of trouble to come?

Are you sure the blue stuff is not Silicone :stupid It's very common for that to happen if there was too much being used on gaskets and it squished out, as it's being sucked at the pickup little chunks will break and make it's way to the filter!...Metal chips is some scary shit :eek , put a magnet on it and see if it sticks, if it's steel it's time to look around in there. The most you should have is a slight dust and it should not stick to a magnet, that's normal bearing break in but metal chips is a bad sign!. The only other thing is that maybe the oil pan was not perfectly clean when you put it on!. :stupid
When I break the cam in, I dump the oil and cut the filter, if it looks good, I put a fresh batch of oil in and a new filter. Then I take it out and hammer the shit out of it while watching the oil pressure, then I'll cut that filter open and if it's nice and clean, it's good to go!.. :good
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Post Icon Posted: May 04 2004,6:30 am Post # 6 see this member send this member a private message  quote this post in reply
Quote (AZKC @ May 03 2004,4:56 pm)
I'm doing the same thing when we get back from our first trip just for peace of mind.

KC the big chunks of metal in the bottom of the oil pan should help you figure out what's going on, no need to cut the filter open.  :D

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Post Icon Posted: May 04 2004,7:10 am Post # 7 see this member send this member a private message  quote this post in reply
Yeah but if you cut the filter first, it will prepare you for what may be in the pan!. :eek  :laugh  :laugh
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miller19jMale Offline
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Post Icon Posted: May 04 2004,8:42 am Post # 8 see this member send this member a private message  quote this post in reply
OK to answer the questions.

Oil Pressure: When I rebuilt the engine my machinist recommended a high volume oil pump and a 10quart jet boat pan. So that is what I went with. My oil pressure was high right off the bat and has stayed there ever sense. I am not sure of the exact number is but it comes close to pegging my gauge at all times. I think 60psi but I am not sure.

Blue Stuff: Art I don’t think that the blue stuff was rtv it had a hard plastic like feel to it. But it was hard to tell the pieces were pretty small (maybe .010” x .050” in size) so who knows.

Chips: I don’t have the chips anymore because I threw them away over the weekend but I am pretty sure that they were magnetic (steel). They looked like chips from thread cutting with a tap (maybe from chasing threads?) or from a machining operation. I cleaned the block the best I could before assembly but this was my first motor rebuild and looking back I probably could have done it better. They did not look like something caused by wear although that not to say that they didn’t cause damage along the way.


Now if the three chips are a sign of a problem how would I proceed to figure out what it was? I have good oil pressure and have seen no signs of any problems.

Just a side note: when I picked up my parts from the machinist the head guy was still assembling my heads. I think that my appointment to pick up the parts snuck up on him and I wouldn’t be surprised if they did not get properly cleaned. So that may be the source for the chips?

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Post Icon Posted: May 04 2004,9:05 am Post # 9 see this member send this member a private message  quote this post in reply
What did you use to cut the filter open?

I usually cut the filter open when I changed the oil in my airplane, but I didn't have one of the cool cuter-open-things at the time.  I was using an air chisel... anyway, one oil change I had a couple little peices of metal in the filter.... oh shit.

So after a couple hours of research, I finally noticed some white paint on them, they came off the filter when it got cut open.  :beat

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Post Icon Posted: May 04 2004,12:32 pm Post # 10 see this member send this member a private message  quote this post in reply
Well maybe it is junk from not cleaning properly :stupid Did you cut the filter with a hacksaw blade?, maybe that's where the blue stuff came? :stupid I would at least pull the valve covers and look around in the corners, junk usually accumulates there if there's anything going away. Personally it would scare the shit out of me to find metal chips in the filter and I would tear that thing down and look at everything and give it a thourough cleaning!.. :rolleyes This is what I use to cut the filter open!. :good

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miller19jMale Offline
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Post Icon Posted: May 04 2004,2:08 pm Post # 11 see this member send this member a private message  quote this post in reply
I used an air chisel to cut it open. What a mess that was! The combination of the air chisel and an oily filter was not a good blend.  :rolleyes

I will pull the valve covers and check them.  :good

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GoFastRacerMale Offline
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Post Icon Posted: May 04 2004,8:49 pm Post # 12 see this member send this member a private message  quote this post in reply
Wow an air chisel :eek I can imagine the mess :laugh maybe that's where the chip came from? :confused If there's nothing on top of the heads, you might run it again and cut the filter again "with an appropriate tool" and see what happens, if you find junk again then there is something wrong somewhere!.. :rolleyes

Edited by GoFastRacer on May 04 2004,8:50 pm
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miller19jMale Offline
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Post Icon Posted: May 05 2004,7:53 am Post # 13 see this member send this member a private message  quote this post in reply
Yea that sounds like a plan.  :good

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Post Icon Posted: May 05 2004,8:23 am Post # 14 see this member send this member a private message  quote this post in reply
Quote (GoFastRacer @ May 04 2004,7:10 am)
Yeah but if you cut the filter first, it will prepare you for what may be in the pan!. :eek  :laugh  :laugh

:banghead  :p

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GoFastRacerMale Offline
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Post Icon Posted: May 05 2004,8:08 pm Post # 15 see this member send this member a private message  quote this post in reply
Quote (miller19j @ May 05 2004,7:53 am)
Yea that sounds like a plan.  :good

Let us know what happens, take a pic this time!.. :good
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GoFastRacerMale Offline
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Post Icon Posted: May 05 2004,8:08 pm Post # 16 see this member send this member a private message  quote this post in reply
Quote (AZKC @ May 05 2004,8:23 am)
Quote (GoFastRacer @ May 04 2004,7:10 am)
Yeah but if you cut the filter first, it will prepare you for what may be in the pan!. :eek  :laugh  :laugh

:banghead  :p

:good  :laugh  :laugh
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