Well, after several weeks of relatively trouble-free driving, my Datsun
2000 roadster has developed a(nother) coolant leak. This time it seems
to be coming from the joint between the water pump and the block. So,
time for some sage advice from all you net.experts out there. Feel free
to generalize from my Datsun to your British whatever. If it matters,
the water pump housing is alloy and the block, of course, is iron.
About gaskets: Is it better to use the NOS stuff from Nissan, or aftermarket?
I have the feeling that the old stuff gets kinda dry and brittle after 20
years. On the other hand, aftermarket stuff may be NOS as well.
Having a gasket in hand, do you use gasket sealer of some sort? If so,
what? I tried Permatex #2 on the thermostat housing (previous leak) but
I'm not sure it helped any.
Waiting with bated breath,
Wayne
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