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FE Technical Forum / Odd flexplate question running 352 w/428 flexplate
« on: April 25, 2022, 06:38:03 PM »
Just pulled a 1963 352. I was intrigued by the C3AE-H casting number as I havent previously had one in my stash and an obscure online post that "some" of these blocks came with the crossbolt knorbs,this block does not have heavy webbing or knobs. The casting has also been found to be 406 and 427 service replacement blocks. Anyways... I pulled it from a 63 mercury monterey breezeway back window 2 door with a cruise o matic. Upon teardown I noticed that the flexplate has a counterweight on it, the counterweight has the part # for-C6SP-6375-A-ASSY, it also has 184 teeth. Which a quick search says it's an early 428/428CJ flexplate. It is one piece, not the 2 piece deal and a solid type flexplate, no pie cuts. The engine does not look rebuilt. The seller I bought it from says it's a great runner but I'm wondering how it didnt shake itself to death. Am I missing something here?. Opinions appreciated.