New Motor - Gold Specs in oil looks metallic and gold specs in filter

[callmewaylon]

Newly rebuilt by me motor - 400 chevy, crank .020 under, bored .040 over, flat tappet cam that was previously broken in. Fired it up and warmed it up for 20 or so minutes and changed the oil and filter. They both looked fine. Then I put 150-200 miles on and changed it again. Oil has a slight metallic swirl to it. Cut open the filter and it has gold specs in the pleats. Nothing big like flakes, more like gold dust. The only thing I can think of is that the crank end play wasn't quite what I would have liked to see. It was .002. I could get it to move .004 but as soon as I let off the pry bar it went back to .002. Maybe the thrust bearing is wearing off? Any ideas? Any chance it's not eating the bearings? What does oil normally look like after a rebuild?

 

[Georgeb]

What did you use for assembly lube?

 

[callmewaylon]

Comp cams lube on the cam/lifters/valvetrain and Lucas oil assembly lube on all the bearings. Oil pump was primed right before initial start up.

 

[74 Shortbed]

What are you running for rocker arms??..

 

[callmewaylon]

Roller tip cast rockers, magnum one pc pushrods, and poly locks. All comp cams stuff. Comp 4x4 cam and lifters x274. 64CC chamber Performer RPM heads and intake. Block is zero decked. Dished pistons for just under 11:1 compression.

 

[74 Shortbed]

Ok, just wondered if you had new gold anodized rocker arms.