There are two coolant ports on intake connection side on gasket mounting face.
One is in rear between 3 and 4 intake ports.
The other is next to #1 intake port. This one has a hallf inch coolant hole in head side and the manifold has a tiny pin hole the size of a ballpoint ink pen tip.
What is this for?
intake coolant port.
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Little pup
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- Isuzu vehicle(s): 1985 4x4 long bed. 1.9L petrol 4sp manual California truck that has no AC.
intake coolant port.
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