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Old 01-11-2012, 10:46 PM
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Originally Posted by krooser
400's have three freeze plugs per side... as was mentioned the stock dampner is different than a 350.
Most all 4-Bolt 400's have 3-Freeze Plugs.
2-Bolt Main 400's have 2-Freeze Plugs.

I have one 4-Bolt 400 that has the 3rd-Boss but, no Hole/Plug in the center Boss. An oddball.

400 Block Info:

400 Balancer ID: machined out section.
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