I've been doing performance engine rebuilding since the 1980's. Most of which was Big Block Chevrolet. I recently rebuilt my 1972 454 in my GMC Sierra and had to do it three times until I went with a hydraulic roller cam. Turns out the flat tappet lifters, made by Sealed Power, were made in China. The lifters never spun in the lifter bores and wiped out the camshaft. Most of the lifters were badly gouged, which contaminated all the engine parts with metal shavings. See Pics Ruining the crank, oil pump, roller rockers and bearings. Which required complete disassembly and cleaning. Yes, I had assembly lube on the cam and lifters and ran the engine for 20 - 25 minutes at 2,000 + rpm. Rocker arm were adjusted before start up. This damage occurred instantly, in the first hour of running.
I recently found out the Sealed Power lifters were made in China. I've always been aware of not using foreign made parts, but, never imagined Sealed Power parts are now made in China. The pistons in it are also made by Sealed Power, which concerns me. They were not the quality I expected and needed valve pocket relief work to be used. Now with a roller cam and 500 miles on the build, all seems good.
If you are building an engine, be certain, none of your parts are made in China.
Anyone else experience this problem?
I recently found out the Sealed Power lifters were made in China. I've always been aware of not using foreign made parts, but, never imagined Sealed Power parts are now made in China. The pistons in it are also made by Sealed Power, which concerns me. They were not the quality I expected and needed valve pocket relief work to be used. Now with a roller cam and 500 miles on the build, all seems good.
If you are building an engine, be certain, none of your parts are made in China.
Anyone else experience this problem?