Did GM ever manufacture

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Flying Undertaker · #3 10-31-2018, 05:08 PM

Regarding factory welded GM oil pans for the Mark IV Big Block Chevy, yes, they were manufactured for sale by GM with a GM part # 3879633 with a oil pan windage tray #3879640 in their performance parts/off road catalog back in the day ( 1960's ). I do know that the upper part of the pan resembles an early Impala (B-body) oil pan for the 396-427 engines but I do not know where the lower welded sump came from and if GM manufactured the pans themselves or had some other oil pan manufacturer weld them up for GM. Don.

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