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Mystery Coolant leak.....


LeDevil

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The '79 has a water passage in each of the two intake runners that match up to holes in the side of the head just below the intake ports. Check that the bottom row of bolts (the hard ones to get at) are tight. Are you running a header?

 

The '79 will also have an outlet for these coolant passages in the intake. It's connected by a small hose, to a metal pipe that goes down to the lower rad hose-to-block inlet. This hose is often overlooked and never replaced. If it's rotted out, the water will run down the side of the block.

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