290 block?

Paul Lohr

Member
This is the most relevant answer I could find.
http://www.turbobuick.com/forums/threads/block-castings.390789/

I think the crank stiffness can be increased by using a forged crank, which distributes the load more evenly to the mains. Billet main caps also help (usually the two center caps). All this protects the block.

The block girdle (RJC) helps to stiffen the block.

Might want to find out if the deck height is the same as the 109 block. Some of these blocks had taller decks.

God bless,
Paul Lohr
 

getchasum

MISSING 2 CYLINDERS???
I would look for something newer If I was planning to do a build. Actually there was many updates from 79 to 86/7. Visit the GN/T/Type board to find the history of the v6 Buick block.
 
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