263, bronze flakes in oil filter...rocker arm bushings?
The last two times I've had my oil filter out on my '53 Special (with 263), I've noticed some bronze/copper detritus in the oil filter housing/oil filter. My machine shop rebuilt this engine for me 9 years and 12,000 miles ago, and it runs and sounds the same, and the oil pressure hasn't changed in 10 years. I don't remember seeing any silver metal in the filter last time I cut it apart. The only thing not rebuilt on the engine is the used rocker shaft I bought from Wheatbelt at the same time. I disassembled and cleaned it, and it had some wear, but it was better than the one that was in the engine.
My question is, are there rocker bushings in 263s, and are they made of yellow metal? I can't remember, and if this thing were wearing a main, rod, or cam bearing badly enough to be leaving yellow metal in the oil filter, I would think other problems would have manifested themselves over the course of 12,000 miles, but I also can't think of anything yellowish that would be leaving visible residue in the oil filter canister.
1953 Special Riviera 45R
1965 Skylark Hardtop 300-4V
1965 Mustang (in the family since 1968)
1965 Corvair Monza Convertible
1965 Dodge Dart 170 Wagon
1974 Pontiac Firebird Esprit
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