Olds 215 main cap/ rover main caps?
Old(s) Fart
Joined: Mar 2007
Posts: 50,730
From: Northern VA
Rover 3.5L and 3.9L engines use the same size main bearings as the BOP 215. The later Rover motors (4.0, 4.6) use larger mains. Obviously you'll need to align bore the block with the new cap. This web page might help.
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Joined: Jan 2020
Posts: 14
Rover 3.5L and 3.9L engines use the same size main bearings as the BOP 215. The later Rover motors (4.0, 4.6) use larger mains. Obviously you'll need to align bore the block with the new cap. This web page might help.
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