Kev,
Forget about the 14's and go 15.
The Familia runs better with 15 inch rims anyway.
4 x 100 are pretty easy to find in 15 inch, and just about everyone is trying to get rid of 15 inch rubber. 195 are plenty wide enough, and because of the cars weight you can run stupid low tyre pressure.
Some Nissans, along with Mazda's (Eunos) and holdens run 15 inch in factory guise. I bought 4 Eunos rims for less than $100 a while back.
Just make sure the centre bore and offset are correct and go for it.
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