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Post  Steve-oh on January 19th 2020, 4:19 pm

My customer had an engine built here local, a 460 block , scat crank, lpc, rods race tech pistons , afr heads and so on, had a leak on dyno(engine only has dyno time) told him we could put a new gasket on it, noticed oil was really dark, I was thinking assembly lube, but then I noticed a pieces of metal on magnetic plug, maybe a casting? I also noticed the oil has a little sparkle to it, not much, but enough to notice it, is this normal or something to be concerned with?Professional engine builders 20200114
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Post  BBFTorino on January 19th 2020, 8:23 pm

What kind of camshaft? Flat tappet cam, or roller? Is the engine ticking, knocking, missing?

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Post  Steve-oh on January 19th 2020, 8:33 pm

Engine is on stand right now, fixing to start mock up, no noise at dyno time, was draining oil to drop pan and replace gasket, its hydraulic roller from bullet

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Post  torino501 on January 20th 2020, 11:25 am

well you're already there id pull some main and rod caps and have a look.

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Post  rmcomprandy on January 20th 2020, 11:46 am

torino501 wrote:well you're already there id pull some main and rod caps and have a look.

Sounds about right ...

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Post  Steve-oh on January 20th 2020, 6:50 pm

Cut filter apart, there's metal in filter, customer spoke with builder said the film is probably from all the assembly lube and if there was metal I the filter bring it back but hes had it happen before and took it all back apart and found nothing wrong, best I can tell it looks like little pieces of shavings, like it was not cleaned well maybe, doesnt sound promising to me

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Post  Steve-oh on January 20th 2020, 6:52 pm

I would think it's not normal to have pieces of metal in a new engine if it was cleaned and built correctly.

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Post  jpierce55 on January 21st 2020, 10:22 am

A new engine might have what appears like glitter in the oild from anti seize and new components breaking in, but I would not expect anything of any size. I would definitely look at the bearings and the valves as well.....especially since it is not in the car.

That is seriously dark oil.

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Post  gt350hr on January 21st 2020, 1:41 pm

The gray coating on the bottom of the pan is assembly lube. I used a full bottle of "L"  brand lube to put together a Boss 302. Upon start up the main seal leaked so with about 5 minutes on it , I pulled the pan and found the same gooey layer on the bottom of the pan. I asked a friend who is a chemist in the oil industry and he said "Yes the oil will only hold so much of that moly/zinc/phospherous in suspension before it falls out and lays on the floor of the pan" . He went on a rant about additives after that. I greatly reduced the amount of assembly lube I use now because of it.
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Post  BBFTorino on January 21st 2020, 11:46 pm

I would pull it all apart and inspect everything! Check the gear on the distributor. Is it the correct type?

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Post  Steve-oh on January 22nd 2020, 8:15 am

Spoke wih buider he said to bring it back and he would go back threw it

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Post  dfree383 on January 22nd 2020, 9:39 am

You are going to get some black and sparkly stuff from the cylinder walls and rings breaking in its normal, you shouldn't have big flakes or chuncks in it.
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