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Oil pump drive question

posted by  planetman on  Mon May 15 16:45 CST 2023
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last visit: Fri Oct 24 09:29 CST 2014
[RELATED]

When Volvo changed to the OHC redblocks, they made it with 2 drives, 1 for the distributor and 1 for the oil pump so they are 2 separate shafts driven by the intermediate shaft.

Early B21's got a metal plate to hold the oil pump drive gear down.

When Volvo added a breather box to the OHC engines, it holds the oil pump drive gear down.


--
Eric
Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
Torrance, CA 90502
hiperformanceautoservice.com or oldvolvosonly.com






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