need input, is this a problem

TURBOTERRORV6

The Street killer V6
Joined
Aug 20, 2005
i am purchasing a replacement block for my 87 GN from some guy down in Florida.. here is a pic he send me of the valley casting... holes on the casting ? was this modified for better oil flow for the lifters and cam? need input ASAP. thanks
 

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84-85 block, that is how they came from the factory. As posted above it will need a hole drilled and tapped for the oil return. It also has a taller deck height.

Dan
 
Post the block #. 4.1's have the same valley appearance. You can epoxy a sht metal valley cover to direct oil flow.
 
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