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72gmcshorty

09-14-2002 06:40 PM

Please ID this block

There was no number in front of the block so from the back this is all the numbers:

1006?286 GM-3P M089

Its a 454. Supposed to be a crate motor?

Hutch

09-14-2002 06:57 PM

According to : Mortec

10068286...454.......90-91...4-bolt, Mark IV, Short deck

Mortec

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