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Owner of a broken cart
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461 Posts
Discussion Starter · #1 ·
Im sure this is a rookie question. Ive never ran across this before. Tore this 305 apart and the coolant holes in the head gasket
have been corroded away significantly.

The truck had sat un used for about a year or so.

Im rebuilding this engine. Is this anything to be concerned about?
 

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That is serious corrosion. i’d expect that this is straight water and probably hard tap water.

You just need to be more choosy about the water distilled or deionized is all that is reasonably manageable along with at least a 50 percent mix of quality glycol based coolant of only one brand.

You‘re probably going to have to aggressively flush the casings and radiator before putting a final mix in the cooling system. The system also needs to be protected from air ingestion which requires a pressure cap and coolant overflow/recovery tank which forms an air lock rather like a P-trap on domestic drain water plumbing systems.

Bogie
 

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Owner of a broken cart
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461 Posts
Discussion Starter · #6 ·
Ya. After tearing this motor down, im pretty sure a crackhead built it/owned it. It looked like he damn near used a full tube of silicone on the water neck gasket, and front and rear intake gaskets.
Yet, every intake bolt was loose, except for one. Which was over tight lol.
 
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