I'm a little aprehensive about wheter the fan would be too much on the 30yr old electrical system. Is there somewhere on the radiator to install the sensor?......geeeez iduno if this is a good idea!

I just want to add that the silicone oil needed when rehab-ing one of these fan clutches proves to be pretty easy to find at hobbyist stores where they sell radio-controlled cars. I just bought a 50-ml bottle, which is somewhat more than I needed, for $6.50 in the 3000 weight. 5000 and 10,000 are also commonly available. The 5000 might be preferable to the 3000, which seemed a little thin to me (although no thinner than 20-w-50). It is used in radio-control car differentials, so you might mention "diff oil" as well as "silicone."

This compares pretty favorably to buying 3 of the 18-ml bottles from a Toyota dealer, particularly in that neither of my local dealers had any of the three weights in stock.

This clutch behaves really nicely now.

Steve.

I printed an article from the Atlantic Z Car Club that I have used while putting my Z back together. It is "Z Tech Tips - Fan Clutch Refresh. I just looked at their web page nd the article has been removed.The recomended oil in the article was GOO -any thick anti-smoke oil additive such as Lucas, STP, Bardahl, etc. The author also recommended using lacquer thinner to refresh the o-ring.

The missing link: 240z 260z 280z 280zx Datsun Fan Clutch Rebuild